SN74HCS165DYY-Q1 [TI]

SN74HCS165-Q1 Automotive 8-Bit Parallel-Load Shift Registers;
SN74HCS165DYY-Q1
型号: SN74HCS165DYY-Q1
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
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SN74HCS165-Q1 Automotive 8-Bit Parallel-Load Shift Registers

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SN74HCS165-Q1  
SCLS826D – AUGUST 2020 – REVISED DECEMBER 2021  
SN74HCS165-Q1 Automotive 8-Bit Parallel-Load Shift Registers  
1 Features  
3 Description  
AEC-Q100 qualified for automotive applications:  
– Device temperature grade 1:  
–40°C to +125°C, TA  
– Device HBM ESD Classification Level 2  
– Device CDM ESD Classifcation Level C6  
Available in wettable flank QFN (WBQB) package  
Wide operating voltage range: 2 V to 6 V  
Schmitt-trigger inputs allow for slow or noisy input  
signals  
The SN74HCS165-Q1 is a parallel- or serial-in, serial-  
out 8-bit shift register with Schmitt-trigger inputs.  
Device Information  
PART NUMBER  
SN74HCS165PW-Q1  
SN74HCS165D-Q1  
SN74HCS165BQB-Q1  
SN74HCS165DYY-Q1  
PACKAGE(1)  
TSSOP (16)  
SOIC (16)  
BODY SIZE (NOM)  
5.00 mm × 4.40 mm  
9.90 mm x 3.90 mm  
3.60 mm x 2.60 mm  
4.20 mm × 2.00 mm  
WQFN (16)  
SOT-23-THN  
(16)  
Low power consumption  
– Typical ICC of 100 nA  
– Typical input leakage current of ±100 nA  
±7.8-mA output drive at 6 V  
SN74HCS165WBQB-Q1  
WQFN (16)  
3.60 mm x 2.60 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
2 Applications  
Increase the Number of Inputs on a Microcontroller  
Supports Slow Inputs  
Low Power  
Noise Rejection  
Input Voltage  
Waveforms  
Time  
Input Voltage  
Time  
Standard  
CMOS Input  
Response  
Waveforms  
Time  
Time  
Input Voltage  
Schmitt-trigger  
CMOS Input  
Response  
Waveforms  
Time  
Time  
Input Voltage  
Benefits of Schmitt-trigger inputs  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
SN74HCS165-Q1  
SCLS826D – AUGUST 2020 – REVISED DECEMBER 2021  
www.ti.com  
Table of Contents  
1 Features............................................................................1  
2 Applications.....................................................................1  
3 Description.......................................................................1  
4 Revision History.............................................................. 2  
5 Pin Configuration and Functions...................................3  
6 Specifications.................................................................. 4  
6.1 Absolute Maximum Ratings........................................ 4  
6.2 ESD Ratings............................................................... 4  
6.3 Recommended Operating Conditions.........................4  
6.4 Thermal Information....................................................5  
6.5 Electrical Characteristics.............................................5  
6.6 Timing Characteristics.................................................6  
6.7 Switching Characteristics............................................6  
6.8 Operating Characteristics........................................... 7  
6.9 Typical Characteristics................................................8  
7 Parameter Measurement Information............................9  
8 Detailed Description......................................................10  
8.1 Overview...................................................................10  
8.2 Functional Block Diagram.........................................10  
8.3 Feature Description...................................................10  
8.4 Device Functional Modes..........................................12  
9 Application and Implementation..................................13  
9.1 Application Information............................................. 13  
9.2 Typical Application.................................................... 13  
10 Power Supply Recommendations..............................16  
11 Layout...........................................................................16  
11.1 Layout Guidelines................................................... 16  
11.2 Layout Example...................................................... 16  
12 Device and Documentation Support..........................17  
12.1 Documentation Support.......................................... 17  
12.2 Receiving Notification of Documentation Updates..17  
12.3 Support Resources................................................. 17  
12.4 Trademarks.............................................................17  
12.5 Electrostatic Discharge Caution..............................17  
12.6 Glossary..................................................................17  
13 Mechanical, Packaging, and Orderable  
Information.................................................................... 18  
4 Revision History  
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.  
Changes from Revision C (June 2021) to Revision D (December 2021)  
Page  
Added WBQB package information to the Device Information table.................................................................. 1  
Added WBQB Package pinout diagram and information to Pin Configuration and Functions............................3  
Added WBQB package to Thermal Information table.........................................................................................5  
Added wettable flanks to Feature Description ................................................................................................. 10  
Changes from Revision B (March 2021) to Revision C (June 2021)  
Page  
Changed DYY package from Product Preview to Production Data....................................................................1  
Changes from Revision A (February 2021) to Revision B (March 2021)  
Page  
Added DYY Package pinout diagram and information to Pin Configuration and Functions............................... 3  
Added DYY Package to Thermal Information table............................................................................................5  
Changes from Revision * (August 2020) to Revision A (February 2021)  
Page  
Added BQB package information to the Device Information table......................................................................1  
Added BQB package information to Pin Configuration and Functions .............................................................. 3  
Added BQB package information to the Thermal Information table................................................................... 5  
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SCLS826D – AUGUST 2020 – REVISED DECEMBER 2021  
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5 Pin Configuration and Functions  
VCC  
16  
SH/LD  
1
SH/LD  
CLK  
E
VCC  
1
2
3
4
5
6
16  
CLK INH  
15  
14  
CLK  
E
2
15 CLK INH  
D
C
B
A
3
4
5
6
7
D
14  
13  
F
13  
12  
11  
10  
9
F
C
B
PAD  
G
H
G
12  
11  
10  
H
A
QH  
SER  
QH  
7
8
QH  
SER  
GND  
8
9
GND QH  
D, PW, or DYY Package  
16-Pin SOIC, TSSOP, or SOT  
Top View  
BQB or WBQB Package  
16-Pin WQFN  
Top View  
Table 5-1. Pin Functions  
PIN  
I/O(1)  
DESCRIPTION  
SOIC, TSSOP, or  
WQFN NO.  
NAME  
1
SH/LD  
I
I
Enable shifting when input is high, load data when input is low  
Clock, rising edge triggered  
Parallel input E  
2
CLK  
3
E
F
I
4
I
Parallel input F  
5
G
I
Parallel input G  
6
H
I
Parallel input H  
7
Q H  
GND  
QH  
SER  
A
O
O
I
Inverted serial output  
Ground  
8
9
Serial output  
10  
11  
12  
13  
14  
15  
16  
Serial input  
I
Parallel input A  
B
I
Parallel input B  
C
I
Parallel input C  
D
I
Parallel input D  
CLK INH  
VCC  
I
Clock inhibit input  
Positive supply  
The thermal pad can be connect to GND or left floating. Do not connect to any  
other signal or supply.  
Thermal Pad(2)  
(1) Signal Types: I = Input, O = Output, I/O = Input or Output.  
(2) Only applies to the BQB and WBQB package.  
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SCLS826D – AUGUST 2020 – REVISED DECEMBER 2021  
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6 Specifications  
6.1 Absolute Maximum Ratings  
over operating free-air temperature range (unless otherwise noted)(1)  
MIN  
MAX  
7
UNIT  
V
VCC  
IIK  
Supply voltage  
–0.5  
Input clamp current(2)  
Output clamp current(2)  
Continuous output current  
VI < –0.5 V or VI > VCC + 0.5 V  
VI < –0.5 V or VI > VCC + 0.5 V  
VO = 0 to VCC  
±20  
±20  
±35  
±70  
150  
150  
mA  
mA  
mA  
mA  
°C  
IOK  
IO  
Continuous current through VCC or GND  
Junction temperature(3)  
TJ  
Tstg  
Storage temperature  
–65  
°C  
(1) Operation outside the Absolute Maximum Ratings may cause permanent device damage. Absolute maximum ratings do not imply  
functional operation of the device at these or any other conditions beyond those listed under Recommended Operating Conditions.  
If briefly operating outside the Recommended Operating Conditions but within the Absolute Maximum Ratings, the device may not  
sustain damage, but it may not be fully functional. Operating the device in this manner may affect device reliability, functionality,  
performance, and shorten the device lifetime.  
(2) The input and output voltage ratings may be exceeded if the input and output current ratings are observed.  
(3) Guaranteed by design.  
6.2 ESD Ratings  
VALUE  
UNIT  
Human body model (HBM), per AEC Q100-002(1) HBM ESD Classification  
Level 2  
±4000  
V(ESD)  
Electrostatic discharge  
V
Charged device model (CDM), per AEC Q100-011 CDM ESD Classification  
Level C6  
±1500  
(1) AEC Q100-002 indicate that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.  
6.3 Recommended Operating Conditions  
over operating free-air temperature range (unless otherwise noted)  
MIN  
2
NOM  
MAX  
6
UNIT  
V
VCC  
VI  
Supply voltage  
Input voltage  
5
0
VCC  
VCC  
125  
V
VO  
TA  
Output voltage  
Ambient temperature  
0
V
–40  
°C  
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6.4 Thermal Information  
SN74HCS165-Q1  
WBQB  
(WQFN)  
THERMAL METRIC(1)  
PW (TSSOP)  
16 PINS  
141.2  
D (SOIC)  
16 PINS  
122.2  
BQB (WQFN)  
16 PINS  
DYY (SOT)  
16 PINS  
186.2  
UNIT  
16 PINS  
Junction-to-ambient thermal  
resistance  
RθJA  
108.4  
97.3  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
Rθ  
Junction-to-case (top) thermal  
resistance  
78.8  
85.8  
27.7  
85.5  
N/A  
80.9  
80.6  
40.4  
80.3  
N/A  
77.3  
74.4  
12.6  
74.5  
54.3  
109.1  
111.0  
18.0  
93.8  
66.4  
14.6  
66.4  
44.3  
JC(top)  
Junction-to-board thermal  
resistance  
RθJB  
ΨJT  
ΨJB  
Junction-to-top characterization  
parameter  
Junction-to-board  
characterization parameter  
110.9  
N/A  
Rθ  
Junction-to-case (bottom)  
thermal resistance  
JC(bot)  
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application  
report.  
6.5 Electrical Characteristics  
over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted).  
PARAMETER  
TEST CONDITIONS  
VCC  
MIN  
0.7  
1.7  
2.1  
0.3  
0.9  
1.2  
0.2  
0.4  
0.6  
TYP  
MAX UNIT  
2 V  
1.5  
VT+  
Positive switching threshold  
4.5 V  
6 V  
3.15  
4.2  
1.0  
2.2  
3.0  
1.0  
1.4  
1.6  
V
V
V
V
V
2 V  
VT-  
Negative switching threshold  
Hysteresis (VT+ - VT-)(1)  
High-level output voltage  
Low-level output voltage  
4.5 V  
6 V  
2 V  
ΔVT  
VOH  
VOL  
4.5 V  
6 V  
IOH = -20 µA  
VI = VIH or VIL IOH = -6 mA  
IOH = -7.8 mA  
2 V to 6 V  
4.5 V  
6 V  
VCC – 0.1 VCC – 0.002  
4.0  
5.4  
4.3  
5.75  
0.002  
0.18  
0.22  
±100  
0.1  
IOL = 20 µA  
2 V to 6 V  
4.5 V  
6 V  
0.1  
0.30  
0.33  
VI = VIH or VIL IOL = 6 mA  
IOL = 7.8 mA  
II  
Input leakage current  
Supply current  
VI = VCC or 0  
6 V  
±1000 nA  
ICC  
Ci  
VI = VCC or 0, IO = 0  
6 V  
2
5
µA  
pF  
Input capacitance  
2 V to 6 V  
(1) Guaranteed by design.  
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6.6 Timing Characteristics  
CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement Information.  
Operating free-air temperature (TA)  
PARAMETER  
VCC  
25°C  
MIN  
–40°C to 125°C  
UNIT  
MAX  
49  
MIN  
MAX  
2 V  
43  
120  
150  
fclock  
Clock frequency  
Pulse duration  
4.5 V  
6 V  
130  
170  
MHz  
2 V  
6
6
6
7
6
6
13  
5
4
8
4
4
6
4
4
6
4
4
9
4
4
0
0
0
5
4
3
0
0
0
7
7
SH/LD low  
4.5 V  
6 V  
7
tw  
ns  
2 V  
11  
7
CLK high or low  
4.5 V  
6 V  
7
2 V  
21  
7
SH/LD high before  
CLK↑  
4.5 V  
6 V  
6
2 V  
14  
6
SER before CLK↑  
4.5 V  
6 V  
6
2 V  
9
tsu  
CLK INH low before  
CLK↑  
Setup time  
4.5 V  
6 V  
5
ns  
5
2 V  
9
CLK INH high  
before CLK↑  
4.5 V  
6 V  
5
5
2 V  
17  
6
Data before SH/LD↑ 4.5 V  
6 V  
6
2 V  
0
Ser data after CLK↑ 4.5 V  
0
6 V  
2 V  
0
6
th  
PAR data after  
SH/LD↑  
Hold time  
4.5 V  
5
ns  
6 V  
2 V  
4
0
SH/LD high after  
CLK↑  
4.5 V  
0
6 V  
0
6.7 Switching Characteristics  
CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement Information.  
Operating free-air temperature (TA)  
PARAMETER  
FROM  
TO  
VCC  
25°C  
TYP  
–40°C to 125°C  
MIN TYP MAX  
UNIT  
MIN  
49  
MAX  
2 V  
43  
120  
150  
fmax  
Max switching frequency  
4.5 V  
6 V  
130  
170  
MHz  
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CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement Information.  
Operating free-air temperature (TA)  
PARAMETER  
Propagation delay  
Transition-time  
FROM  
TO  
VCC  
25°C  
TYP  
–40°C to 125°C  
MIN TYP MAX  
UNIT  
MIN  
MAX  
39  
19  
17  
32  
16  
14  
30  
15  
14  
9
2 V  
65  
24  
19  
45  
18  
16  
48  
18  
16  
17  
8
SH/LD  
QH or Q H 4.5 V  
6 V  
2 V  
tpd  
CLK  
H
QH or Q H 4.5 V  
ns  
6 V  
2 V  
QH or Q H 4.5 V  
6 V  
2 V  
Any output 4.5 V  
6 V  
tt  
5
ns  
4
7
6.8 Operating Characteristics  
over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted).  
PARAMETER  
TEST CONDITIONS  
VCC  
MIN  
TYP  
MAX UNIT  
Power dissipation capacitance  
per gate  
Cpd  
No load  
2 V to 6 V  
20  
pF  
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6.9 Typical Characteristics  
TA = 25°C  
46  
44  
42  
40  
38  
36  
34  
32  
30  
28  
26  
70  
65  
60  
55  
50  
45  
40  
35  
30  
VCC = 2 V  
VCC = 3.3 V  
VCC = 4.5 V  
VCC = 6 V  
VCC = 2 V  
VCC = 3.3 V  
VCC = 4.5 V  
VCC = 6 V  
0
2.5  
5
7.5 10 12.5 15 17.5 20 22.5 25  
Output Sink Current (mA)  
0
2.5  
5
7.5 10 12.5 15 17.5 20 22.5 25  
Output Source Current (mA)  
Figure 6-1. Output Driver Resistance in LOW State Figure 6-2. Output Driver Resistance in HIGH State  
0.2  
0.18  
0.16  
0.14  
0.12  
0.1  
0.65  
0.6  
VCC = 2 V  
VCC = 4.5 V  
VCC = 5 V  
VCC = 6 V  
0.55  
0.5  
VCC = 2.5 V  
VCC = 3.3 V  
0.45  
0.4  
0.35  
0.3  
0.08  
0.06  
0.04  
0.02  
0
0.25  
0.2  
0.15  
0.1  
0.05  
0
0
0.5  
1
1.5  
2
2.5  
3
3.5  
0
0.5  
1
1.5  
2
2.5  
3
3.5  
4
4.5  
5
5.5  
6
VI œ Input Voltage (V)  
VI œ Input Voltage (V)  
Figure 6-3. Supply Current Across Input Voltage,  
2-, 2.5-, and 3.3-V Supply  
Figure 6-4. Supply Current Across Input Voltage,  
4.5-, 5-, and 6-V Supply  
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7 Parameter Measurement Information  
Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators  
having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tt < 2.5 ns.  
For clock inputs, fmax is measured when the input duty cycle is 50%.  
The outputs are measured one at a time with one input transition per measurement.  
tw  
Test  
Point  
VCC  
0 V  
Input  
50%  
50%  
From Output  
Under Test  
Figure 7-2. Voltage Waveforms, Pulse Duration  
(1)  
CL  
(1) CL includes probe and test-fixture capacitance.  
Figure 7-1. Load Circuit for Push-Pull Outputs  
VCC  
VCC  
Clock  
Input  
50%  
Input  
Output  
Output  
50%  
50%  
0 V  
0 V  
VOH  
VOL  
VOH  
VOL  
(1)  
(1)  
tPLH  
tPHL  
tsu  
th  
VCC  
Data  
Input  
50%  
50%  
50%  
50%  
0 V  
(1)  
(1)  
Figure 7-3. Voltage Waveforms, Setup and Hold  
Times  
tPHL  
tPLH  
50%  
50%  
(1) The greater between tPLH and tPHL is the same as tpd  
.
Figure 7-4. Voltage Waveforms Propagation Delays  
VCC  
90%  
Input  
90%  
10%  
0 V  
10%  
tr(1)  
tf(1)  
VOH  
90%  
90%  
Output  
10%  
10%  
VOL  
tr(1)  
tf(1)  
(1) The greater between tr and tf is the same as tt.  
Figure 7-5. Voltage Waveforms, Input and Output Transition Times  
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8 Detailed Description  
8.1 Overview  
The SN74HCS165-Q1 is a parallel- or serial-in, serial-out 8-bit shift register with Schmitt-trigger inputs.  
This device has two modes of operation: load data, and shift data.  
When the shift or load (SH/LD) input is held in the low state, the internal registers are loaded with data from the  
eight lettered inputs (A-H). This operation is asynchronous. In this state, the output (Q) will have the same state  
as the input H, while the inverted output (Q) will have the opposite state.  
When the shift or load (SH/LD) input is held in the high state, the internal registers hold their current state until  
a clock pulse is received. On the rising edge of the clock (CLK) input, data from the serial input will be loaded  
into the first register, and the data in the internal registers will be shifted by one place. The last register will lose  
its value. The output (Q) will always be in the same state as the last register, and the inverted output (Q) will  
have the opposite state. The clock inhibit (CLK INH) input can be held high to prevent clock pulses from being  
detected. CLK and CLK INH are interchangable inputs.  
8.2 Functional Block Diagram  
A
H
B
C
D
E
F
G
SH/LD  
5 Additional  
Shift Register  
Stages  
S
D
R
Q
S
D
R
Q
S
D
R
Q
Q
QH  
QH  
SER  
CLK INH  
CLK  
Figure 8-1. Logic Diagram (Positive Logic) for SN74HCS165-Q1  
8.3 Feature Description  
8.3.1 Balanced CMOS Push-Pull Outputs  
This device includes balanced CMOS push-pull outputs. The term "balanced" indicates that the device can sink  
and source similar currents. The drive capability of this device may create fast edges into light loads so routing  
and load conditions should be considered to prevent ringing. Additionally, the outputs of this device are capable  
of driving larger currents than the device can sustain without being damaged. It is important for the output power  
of the device to be limited to avoid damage due to overcurrent. The electrical and thermal limits defined in the  
Absolute Maximum Ratings must be followed at all times.  
Unused push-pull CMOS outputs should be left disconnected.  
8.3.2 CMOS Schmitt-Trigger Inputs  
This device includes inputs with the Schmitt-trigger architecture. These inputs are high impedance and are  
typically modeled as a resistor in parallel with the input capacitance given in the Electrical Characteristics table  
from the input to ground. The worst case resistance is calculated with the maximum input voltage, given in the  
Absolute Maximum Ratings table, and the maximum input leakage current, given in the Electrical Characteristics  
table, using Ohm's law (R = V ÷ I).  
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The Schmitt-trigger input architecture provides hysteresis as defined by ΔVT in the Electrical Characteristics  
table, which makes this device extremely tolerant to slow or noisy inputs. While the inputs can be driven much  
slower than standard CMOS inputs, it is still recommended to properly terminate unused inputs. Driving the  
inputs with slow transitioning signals will increase dynamic current consumption of the device. For additional  
information regarding Schmitt-trigger inputs, please see Understanding Schmitt Triggers.  
8.3.3 Clamp Diode Structure  
The inputs and outputs to this device have both positive and negative clamping diodes as depicted in Electrical  
Placement of Clamping Diodes for Each Input and Output.  
CAUTION  
Voltages beyond the values specified in the Absolute Maximum Ratings table can cause damage  
to the device. The input and output voltage ratings may be exceeded if the input and output clamp-  
current ratings are observed.  
VCC  
Device  
+IIK  
+IOK  
Input  
Output  
Logic  
GND  
-IIK  
-IOK  
Figure 8-2. Electrical Placement of Clamping Diodes for Each Input and Output  
8.3.4 Latching Logic  
This device includes latching logic circuitry. Latching circuits commonly include D-type latches and D-type  
flip-flops, but include all logic circuits that act as volatile memory.  
When the device is powered on, the state of each latch is unknown. There is no default state for each latch at  
start-up.  
The output state of each latching logic circuit only remains stable as long as power is applied to the device within  
the supply voltage range specified in the Recommended Operating Conditions table.  
8.3.5 Wettable Flanks  
This device includes wettable flanks for at least one package. See the Features section on the front page of the  
data sheet for which packages include this feature.  
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Package  
Package  
Solder  
Standard Lead  
We able Flank Lead  
Pad  
PCB  
Figure 8-3. Simplified Cutaway View of Wettable-Flank QFN Package and Standard QFN Package After  
Soldering  
Wettable flanks help improve side wetting after soldering which makes QFN packages easier to inspect with  
automatic optical inspection (AOI). A wettable flank can be dimpled or step-cut to provide additional surface  
area for solder adhesion which assists in reliably creating a side fillet as shown in Figure 8-3. Please see the  
mechanical drawing for additional details.  
8.4 Device Functional Modes  
The Operating Mode Table and the Output Function Table list the functional modes of the SN74HCS165-Q1.  
Table 8-1. Operating Mode Table  
INPUTS(1)  
FUNCTION  
SH/LD  
CLK  
CLK INH  
L
X
H
X
L
X
X
H
Parallel load  
No change  
No change  
Shift(2)  
H
H
H
H
L
Shift(2)  
(1) H = High Voltage Level, L = Low Voltage Level, X = Don't Care,  
↑ = Low to High transition  
(2) Shift : Content of each internal register shifts towards serial  
output QH. Data at SER is shifted into the first register.  
Table 8-2. Output Function Table  
INTERNAL REGISTERS(1) (2)  
OUTPUTS(2)  
A — G  
H
Q
Q
X
X
L
L
H
L
H
H
(1) Internal registers refer to the shift registers inside the device.  
These values are set by either loading data from the parallel  
inputs, or by clocking data in from the serial input.  
(2) H = High Voltage Level, L = Low Voltage Level, X = Don't Care  
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9 Application and Implementation  
Note  
Information in the following applications sections is not part of the TI component specification,  
and TI does not warrant its accuracy or completeness. TI’s customers are responsible for  
determining suitability of components for their purposes, as well as validating and testing their design  
implementation to confirm system functionality.  
9.1 Application Information  
The SN74HCS165-Q1 is a parallel-input shift register, which can be used to reduce the number of required  
inputs on a system controller very significantly in some applications. Parallel data is loaded into the shift register,  
then the stored data can be loaded into a serial input of the system controller by clocking the shift register.  
Multiple shift registers can be cascaded to provide more data inputs while still only using a single serial input to  
the system controller. This process is primarily limited by the required data input rate and timing characteristics  
of the selected shift register, as defined in the Timing Charactestics and Switching Charactestics tables.  
An example block diagram is shown for using a single shift register in the Typical application block diagram  
below.  
9.2 Typical Application  
DATA[7:0]  
A B C D E F G H  
SH/LD  
Data Loading Gates  
QH  
SER  
8-Bit Shift Register  
Peripheral  
System  
Controller  
QH  
CLK  
Control  
Logic  
CLK INH  
Figure 9-1. Typical application block diagram  
9.2.1 Design Requirements  
9.2.1.1 Power Considerations  
Ensure the desired supply voltage is within the range specified in the Recommended Operating Conditions. The  
supply voltage sets the device's electrical characteristics as described in the Electrical Characteristics.  
The positive voltage supply must be capable of sourcing current equal to the total current to be sourced by all  
outputs of the SN74HCS165-Q1 plus the maximum static supply current, ICC, listed in Electrical Characteristics  
and any transient current required for switching. The logic device can only source as much current as is provided  
by the positive supply source. Be sure not to exceed the maximum total current through VCC listed in the  
Absolute Maximum Ratings.  
The ground must be capable of sinking current equal to the total current to be sunk by all outputs of the  
SN74HCS165-Q1 plus the maximum supply current, ICC, listed in Electrical Characteristics, and any transient  
current required for switching. The logic device can only sink as much current as can be sunk into its ground  
connection. Be sure not to exceed the maximum total current through GND listed in the Absolute Maximum  
Ratings.  
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The SN74HCS165-Q1 can drive a load with a total capacitance less than or equal to 50 pF while still meeting  
all of the datasheet specifications. Larger capacitive loads can be applied, however it is not recommended to  
exceed 50 pF.  
The SN74HCS165-Q1 can drive a load with total resistance described by RL ≥ VO / IO, with the output voltage  
and current defined in the Electrical Characteristics table with VOH and VOL. When outputting in the high state,  
the output voltage in the equation is defined as the difference between the measured output voltage and the  
supply voltage at the VCC pin.  
Total power consumption can be calculated using the information provided in CMOS Power Consumption and  
Cpd Calculation.  
Thermal increase can be calculated using the information provided in Thermal Characteristics of Standard Linear  
and Logic (SLL) Packages and Devices.  
CAUTION  
The maximum junction temperature, TJ(max) listed in the Absolute Maximum Ratings, is an additional  
limitation to prevent damage to the device. Do not violate any values listed in the Absolute Maximum  
Ratings. These limits are provided to prevent damage to the device.  
9.2.1.2 Input Considerations  
Input signals must cross Vt-(min) to be considered a logic LOW, and Vt+(max) to be considered a logic HIGH. Do  
not exceed the maximum input voltage range found in the Absolute Maximum Ratings.  
Unused inputs must be terminated to either VCC or ground. These can be directly terminated if the input is  
completely unused, or they can be connected with a pull-up or pull-down resistor if the input is to be used  
sometimes, but not always. A pull-up resistor is used for a default state of HIGH, and a pull-down resistor is used  
for a default state of LOW. The resistor size is limited by drive current of the controller, leakage current into the  
SN74HCS165-Q1, as specified in the Electrical Characteristics, and the desired input transition rate. A 10-kΩ  
resistor value is often used due to these factors.  
The SN74HCS165-Q1 has no input signal transition rate requirements because it has Schmitt-trigger inputs.  
Another benefit to having Schmitt-trigger inputs is the ability to reject noise. Noise with a large enough amplitude  
can still cause issues. To know how much noise is too much, please refer to the ΔVT(min) in the Electrical  
Characteristics. This hysteresis value will provide the peak-to-peak limit.  
Unlike what happens with standard CMOS inputs, Schmitt-trigger inputs can be held at any valid value without  
causing huge increases in power consumption. The typical additional current caused by holding an input at a  
value other than VCC or ground is plotted in the Typical Characteristics.  
Refer to the Feature Description section for additional information regarding the inputs for this device.  
9.2.1.3 Output Considerations  
The positive supply voltage is used to produce the output HIGH voltage. Drawing current from the output will  
decrease the output voltage as specified by the VOH specification in the Electrical Characteristics. The ground  
voltage is used to produce the output LOW voltage. Sinking current into the output will increase the output  
voltage as specified by the VOL specification in the Electrical Characteristics.  
Push-pull outputs that could be in opposite states, even for a very short time period, should never be connected  
directly together. This can cause excessive current and damage to the device.  
Two channels within the same device with the same input signals can be connected in parallel for additional  
output drive strength.  
Unused outputs can be left floating. Do not connect outputs directly to VCC or ground.  
Refer to Feature Description section for additional information regarding the outputs for this device.  
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9.2.2 Detailed Design Procedure  
1. Add a decoupling capacitor from VCC to GND. The capacitor needs to be placed physically close to the  
device and electrically close to both the VCC and GND pins. An example layout is shown in the Layout  
section.  
2. Ensure the capacitive load at the output is ≤ 50 pF. This is not a hard limit, however it will ensure  
optimal performance. This can be accomplished by providing short, appropriately sized traces from the  
SN74HCS165-Q1 to the receiving device(s).  
3. Ensure the resistive load at the output is larger than (VCC / IO(max)) Ω. This will ensure that the maximum  
output current from the Absolute Maximum Ratings is not violated. Most CMOS inputs have a resistive load  
measured in megaohms; much larger than the minimum calculated above.  
4. Thermal issues are rarely a concern for logic gates, however the power consumption and thermal increase  
can be calculated using the steps provided in the application report, CMOS Power Consumption and Cpd  
Calculation.  
9.2.3 Application Curve  
DATA[7:0]  
SH/LD  
CLK  
0x00  
0x11  
0x00  
QH  
Figure 9-2. Application timing diagram  
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10 Power Supply Recommendations  
The power supply can be any voltage between the minimum and maximum supply voltage rating located in the  
Recommended Operating Conditions. Each VCC terminal should have a good bypass capacitor to prevent power  
disturbance. A 0.1-μF capacitor is recommended for this device. It is acceptable to parallel multiple bypass caps  
to reject different frequencies of noise. The 0.1-μF and 1-μF capacitors are commonly used in parallel. The  
bypass capacitor should be installed as close to the power terminal as possible for best results, as shown in  
given example layout image.  
11 Layout  
11.1 Layout Guidelines  
When using multiple-input and multiple-channel logic devices inputs must not ever be left floating. In many  
cases, functions or parts of functions of digital logic devices are unused; for example, when only two inputs of a  
triple-input AND gate are used or only 3 of the 4 buffer gates are used. Such unused input pins must not be left  
unconnected because the undefined voltages at the outside connections result in undefined operational states.  
All unused inputs of digital logic devices must be connected to a logic high or logic low voltage, as defined by the  
input voltage specifications, to prevent them from floating. The logic level that must be applied to any particular  
unused input depends on the function of the device. Generally, the inputs are tied to GND or VCC, whichever  
makes more sense for the logic function or is more convenient.  
11.2 Layout Example  
GND VCC  
Recommend GND flood fill for  
improved signal isolation, noise  
reduction, and thermal dissipation  
Bypass capacitor  
placed close to the  
device  
0.1 F  
16  
SH/LD  
1
VCC  
CLK  
E
2
3
4
5
6
7
8
15  
14  
13  
12  
11  
10  
9
CLK INH  
D
C
B
A
F
G
Avoid 90°  
corners for  
signal lines  
H
QH  
Unused output  
left floating  
Unused input  
tied to VCC  
SER  
QH  
GND  
Figure 11-1. Example layout for the SN74HCS165-Q1 in the PW package.  
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12 Device and Documentation Support  
TI offers an extensive line of development tools. Tools and software to evaluate the performance of the device,  
generate code, and develop solutions are listed below.  
12.1 Documentation Support  
12.1.1 Related Documentation  
For related documentation see the following:  
Texas Instruments, HCMOS Design Considerations application report (SCLA007)  
Texas Instruments, CMOS Power Consumption and Cpd Calculation application report (SDYA009)  
Texas Instruments, Designing With Logic application report  
12.2 Receiving Notification of Documentation Updates  
To receive notification of documentation updates, navigate to the device product folder on ti.com. Click on  
Subscribe to updates to register and receive a weekly digest of any product information that has changed. For  
change details, review the revision history included in any revised document.  
12.3 Support Resources  
TI E2Esupport forums are an engineer's go-to source for fast, verified answers and design help — straight  
from the experts. Search existing answers or ask your own question to get the quick design help you need.  
Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do  
not necessarily reflect TI's views; see TI's Terms of Use.  
12.4 Trademarks  
TI E2Eis a trademark of Texas Instruments.  
All trademarks are the property of their respective owners.  
12.5 Electrostatic Discharge Caution  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled  
with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may  
be more susceptible to damage because very small parametric changes could cause the device not to meet its published  
specifications.  
12.6 Glossary  
TI Glossary  
This glossary lists and explains terms, acronyms, and definitions.  
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13 Mechanical, Packaging, and Orderable Information  
The following pages include mechanical, packaging, and orderable information. This information is the most  
current data available for the designated devices. This data is subject to change without notice and revision of  
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.  
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PACKAGE OPTION ADDENDUM  
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19-Dec-2021  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan  
Lead finish/  
Ball material  
MSL Peak Temp  
Op Temp (°C)  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(3)  
(4/5)  
(6)  
SN74HCS165QBQBRQ1  
SN74HCS165QDRQ1  
ACTIVE  
ACTIVE  
WQFN  
SOIC  
BQB  
D
16  
16  
16  
16  
16  
3000 RoHS & Green  
2500 RoHS & Green  
3000 RoHS & Green  
2000 RoHS & Green  
3000 RoHS & Green  
NIPDAU  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
-40 to 125  
-40 to 125  
-40 to 125  
-40 to 125  
-40 to 125  
CS165Q  
NIPDAU  
NIPDAU  
NIPDAU  
NIPDAU  
HCS165Q  
HCS165Q  
HCS165Q  
CS165Q  
SN74HCS165QDYYRQ1  
SN74HCS165QPWRQ1  
SN74HCS165QWBQBRQ1  
ACTIVE SOT-23-THIN  
DYY  
PW  
BQB  
ACTIVE  
ACTIVE  
TSSOP  
WQFN  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance  
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may  
reference these types of products as "Pb-Free".  
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.  
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based  
flame retardants must also meet the <=1000ppm threshold requirement.  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation  
of the previous line and the two combined represent the entire Device Marking for that device.  
(6)  
Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two  
lines if the finish value exceeds the maximum column width.  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
19-Dec-2021  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
OTHER QUALIFIED VERSIONS OF SN74HCS165-Q1 :  
Catalog : SN74HCS165  
NOTE: Qualified Version Definitions:  
Catalog - TI's standard catalog product  
Addendum-Page 2  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
20-Dec-2021  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
SN74HCS165QBQBRQ1 WQFN  
BQB  
D
16  
16  
16  
3000  
2500  
3000  
180.0  
330.0  
330.0  
12.4  
16.4  
12.4  
2.8  
6.5  
4.8  
3.8  
10.3  
3.6  
1.2  
2.1  
1.6  
4.0  
8.0  
8.0  
12.0  
16.0  
12.0  
Q1  
Q1  
Q3  
SN74HCS165QDRQ1  
SOIC  
SN74HCS165QDYYRQ1  
SOT-  
DYY  
23-THIN  
SN74HCS165QPWRQ1 TSSOP  
PW  
16  
16  
2000  
3000  
330.0  
180.0  
12.4  
12.4  
6.9  
2.8  
5.6  
3.8  
1.6  
1.2  
8.0  
4.0  
12.0  
12.0  
Q1  
Q1  
SN74HCS165QWBQBRQ WQFN  
1
BQB  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
20-Dec-2021  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
SN74HCS165QBQBRQ1  
SN74HCS165QDRQ1  
WQFN  
SOIC  
BQB  
D
16  
16  
16  
16  
16  
3000  
2500  
3000  
2000  
3000  
210.0  
853.0  
336.6  
853.0  
210.0  
185.0  
449.0  
336.6  
449.0  
185.0  
35.0  
35.0  
31.8  
35.0  
35.0  
SN74HCS165QDYYRQ1  
SN74HCS165QPWRQ1  
SN74HCS165QWBQBRQ1  
SOT-23-THIN  
TSSOP  
DYY  
PW  
BQB  
WQFN  
Pack Materials-Page 2  
PACKAGE OUTLINE  
PW0016A  
TSSOP - 1.2 mm max height  
S
C
A
L
E
2
.
5
0
0
SMALL OUTLINE PACKAGE  
SEATING  
PLANE  
C
6.6  
6.2  
TYP  
A
0.1 C  
PIN 1 INDEX AREA  
14X 0.65  
16  
1
2X  
5.1  
4.9  
4.55  
NOTE 3  
8
9
0.30  
16X  
4.5  
4.3  
NOTE 4  
1.2 MAX  
0.19  
B
0.1  
C A B  
(0.15) TYP  
SEE DETAIL A  
0.25  
GAGE PLANE  
0.15  
0.05  
0.75  
0.50  
A
20  
0 -8  
DETAIL A  
TYPICAL  
4220204/A 02/2017  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not  
exceed 0.15 mm per side.  
4. This dimension does not include interlead flash. Interlead flash shall not exceed 0.25 mm per side.  
5. Reference JEDEC registration MO-153.  
www.ti.com  
EXAMPLE BOARD LAYOUT  
PW0016A  
TSSOP - 1.2 mm max height  
SMALL OUTLINE PACKAGE  
SYMM  
16X (1.5)  
(R0.05) TYP  
16  
1
16X (0.45)  
SYMM  
14X (0.65)  
8
9
(5.8)  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE: 10X  
METAL UNDER  
SOLDER MASK  
SOLDER MASK  
OPENING  
SOLDER MASK  
OPENING  
METAL  
EXPOSED METAL  
EXPOSED METAL  
0.05 MAX  
ALL AROUND  
0.05 MIN  
ALL AROUND  
NON-SOLDER MASK  
DEFINED  
SOLDER MASK  
DEFINED  
15.000  
(PREFERRED)  
SOLDER MASK DETAILS  
4220204/A 02/2017  
NOTES: (continued)  
6. Publication IPC-7351 may have alternate designs.  
7. Solder mask tolerances between and around signal pads can vary based on board fabrication site.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
PW0016A  
TSSOP - 1.2 mm max height  
SMALL OUTLINE PACKAGE  
16X (1.5)  
SYMM  
(R0.05) TYP  
16  
1
16X (0.45)  
SYMM  
14X (0.65)  
8
9
(5.8)  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
SCALE: 10X  
4220204/A 02/2017  
NOTES: (continued)  
8. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
9. Board assembly site may have different recommendations for stencil design.  
www.ti.com  
GENERIC PACKAGE VIEW  
BQB 16  
2.5 x 3.5, 0.5 mm pitch  
WQFN - 0.8 mm max height  
PLASTIC QUAD FLATPACK - NO LEAD  
This image is a representation of the package family, actual package may vary.  
Refer to the product data sheet for package details.  
4226161/A  
www.ti.com  
PACKAGE OUTLINE  
WQFN - 0.8 mm max height  
PLASTIC QUAD FLAT PACK-NO LEAD  
BQB0016A  
A
2.6  
2.4  
B
3.6  
3.4  
PIN 1 INDEX AREA  
C
0.8  
0.7  
SEATING PLANE  
0.08 C  
1.1  
0.9  
0.05  
0.00  
(0.2) TYP  
2X 0.5  
8
9
10X 0.5  
7
10  
SYMM  
2X  
2.5  
2.1  
1.9  
15  
2
0.30  
0.18  
16X  
0.5  
0.3  
16  
1
PIN 1 ID  
(OPTIONAL)  
SYMM  
16X  
0.1  
C A B  
0.05  
C
4224640/A 11/2018  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. The package thermal pad must be soldered to the printed circuit board for optimal thermal and mechanical performance.  
www.ti.com  
EXAMPLE BOARD LAYOUT  
WQFN - 0.8 mm max height  
BQB0016A  
PLASTIC QUAD FLAT PACK-NO LEAD  
(2.3)  
(1)  
2X (0.5)  
1
16  
10X (0.5)  
2
15  
SYMM  
2X  
(2.5)  
(2)  
(3.3)  
2X  
(0.75)  
10  
7
16X (0.24)  
16X (0.6)  
(Ø0.2) VIA  
TYP  
9
8
SYMM  
(R0.05) TYP  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE: 20X  
0.07 MAX  
ALL AROUND  
METAL UNDER  
SOLDER MASK  
0.07 MIN  
ALL AROUND  
METAL  
EXPOSED METAL  
SOLDER MASK  
OPENING  
SOLDER MASK  
OPENING  
EXPOSED METAL  
NON-SOLDER MASK  
SOLDER MASK  
DEFINED  
DEFINED  
(PREFERRED)  
4224640/A 11/2018  
NOTES: (continued)  
4. This package is designed to be soldered to a thermal pad on the board. For more information, see Texas Instruments literature  
number SLUA271 (www.ti.com/lit/slua271)  
.
5. Vias are optional depending on application, refer to device data sheet. If any vias are implemented, refer to their locations shown  
on this view. It is recommended that vias under paste be filled, plugged or tented.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
WQFN - 0.8 mm max height  
BQB0016A  
PLASTIC QUAD FLAT PACK-NO LEAD  
(2.3)  
(0.95)  
2X (0.5)  
1
16  
10X (0.5)  
2
15  
SYMM  
2X  
(2.5)  
(1.79) (3.3)  
10  
7
16X (0.24)  
16X (0.6)  
EXPOSED METAL  
9
8
SYMM  
(R0.05) TYP  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
EXPOSED PAD  
85% PRINTED COVERAGE BY AREA  
SCALE: 20X  
4224640/A 11/2018  
NOTES: (continued)  
6. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
www.ti.com  
PACKAGE OUTLINE  
WQFN - 0.8 mm max height  
INDSTNAME  
BQB0016B  
A
2.6  
2.4  
B
PIN 1 INDEX AREA  
3.6  
3.4  
0.1 MIN  
(0.13)  
SECTION A-A  
TYPICAL  
C
0.8 MAX  
SEATING PLANE  
0.05  
0.00  
0.08 C  
1.1  
0.9  
2X 0.5  
(0.2) TYP  
9
8
10X 0.5  
7
10  
(0.16)  
SYMM  
SYMM  
2X  
2.5  
17  
2.1  
1.9  
0.3  
16X  
0.2  
0.1  
0.05  
C A B  
C
15  
2
PIN 1 ID  
(OPTIONAL)  
1
16  
0.5  
0.3  
16X  
SYMM  
4226135/A 08/2020  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. The package thermal pad must be soldered to the printed circuit board for optimal thermal and mechanical performance.  
www.ti.com  
EXAMPLE BOARD LAYOUT  
WQFN - 0.8 mm max height  
INDSTNAME  
BQB0016B  
(2.3)  
(1)  
1
16  
16X (0.6)  
16X (0.25)  
2
15  
10X (0.5)  
SYMM  
17  
(2)  
(3.3)  
2X (0.75)  
10  
7
(R0.05) TYP  
(Ø 0.2) VIA  
TYP  
8
9
2X (0.5)  
SYMM  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE: 20X  
4226135/A 08/2020  
NOTES: (continued)  
4. This package is designed to be soldered to a thermal pad on the board. For more information, see Texas Instruments literature  
number SLUA271 (www.ti.com/lit/slua271)  
.
5. Vias are optional depending on application, refer to device data sheet. If any vias are implemented, refer to their locations shown  
on this view. It is recommended that vias under paste be filled, plugged or tented.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
WQFN - 0.8 mm max height  
INDSTNAME  
BQB0016B  
(2.3)  
(0.95)  
1
16  
16X (0.6)  
16X (0.25)  
2
15  
17  
10X (0.5)  
SYMM  
(1.79)  
(3.3)  
2X (0.75)  
10  
7
(R0.05) TYP  
METAL TYP  
8
9
2X (0.5)  
SYMM  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
EXPOSED PAD  
85% PRINTED COVERAGE BY AREA  
SCALE: 20X  
4226135/A 08/2020  
NOTES: (continued)  
6. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
www.ti.com  
PACKAGE OUTLINE  
SOT-23-THIN - 1.1 mm max height  
PLASTIC SMALL OUTLINE  
DYY0016A  
C
3.36  
3.16  
SEATING PLANE  
PIN 1 INDEX  
AREA  
A
0.1 C  
14X 0.5  
16  
1
4.3  
4.1  
NOTE 3  
2X  
3.5  
8
9
0.31  
16X  
0.11  
0.1  
C A  
B
1.1 MAX  
2.1  
1.9  
B
0.2  
0.08  
TYP  
SEE DETAIL A  
0.25  
GAUGE PLANE  
0°- 8°  
0.1  
0.0  
0.63  
0.33  
DETAIL A  
TYP  
4224642/B 07/2021  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed  
0.15 per side.  
4. This dimension does not include interlead flash. Interlead flash shall not exceed 0.50 per side.  
5. Reference JEDEC Registration MO-345, Variation AA  
www.ti.com  
EXAMPLE BOARD LAYOUT  
SOT-23-THIN - 1.1 mm max height  
PLASTIC SMALL OUTLINE  
DYY0016A  
16X (1.05)  
SYMM  
16  
1
16X (0.3)  
SYMM  
14X (0.5)  
9
8
(R0.05) TYP  
(3)  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE: 20X  
SOLDER MASK  
OPENING  
METAL UNDER  
SOLDER MASK  
SOLDER MASK  
OPENING  
METAL  
NON- SOLDER MASK  
DEFINED  
SOLDER MASK  
DEFINED  
(PREFERRED)  
SOLDER MASK DETAILS  
4224642/B 07/2021  
NOTES: (continued)  
6. Publication IPC-7351 may have alternate designs.  
7. Solder mask tolerances between and around signal pads can vary based on board fabrication site.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
SOT-23-THIN - 1.1 mm max height  
PLASTIC SMALL OUTLINE  
DYY0016A  
16X (1.05)  
SYMM  
16  
1
16X (0.3)  
SYMM  
14X (0.5)  
9
8
(R0.05) TYP  
(3)  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
SCALE: 20X  
4224642/B 07/2021  
NOTES: (continued)  
8. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
9. Board assembly site may have different recommendations for stencil design.  
www.ti.com  
IMPORTANT NOTICE AND DISCLAIMER  
TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATA SHEETS), DESIGN RESOURCES (INCLUDING REFERENCE  
DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”  
AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY  
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD  
PARTY INTELLECTUAL PROPERTY RIGHTS.  
These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate  
TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable  
standards, and any other safety, security, regulatory or other requirements.  
These resources are subject to change without notice. TI grants you permission to use these resources only for development of an  
application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license  
is granted to any other TI intellectual property right or to any third party intellectual property right. TI disclaims responsibility for, and you  
will fully indemnify TI and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these  
resources.  
TI’s products are provided subject to TI’s Terms of Sale or other applicable terms available either on ti.com or provided in conjunction with  
such TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for  
TI products.  
TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE  
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2021, Texas Instruments Incorporated  

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