CD74FCT244SM96G4 [ROCHESTER]
Bus Driver, FCT Series, 2-Func, 4-Bit, True Output, BICMOS, PDSO20, GREEN, PLASTIC, SSOP-20;
| 型号： | CD74FCT244SM96G4 |
| 厂家： | 
Rochester Electronics |
| 描述： | Bus Driver, FCT Series, 2-Func, 4-Bit, True Output, BICMOS, PDSO20, GREEN, PLASTIC, SSOP-20 驱动 信息通信管理 光电二极管 逻辑集成电路 |
| 文件： | 总12页 (文件大小：445K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CD74FCT244, CD74FCT244AT
BiCMOS OCTAL BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCBS722B – JULY 2000 – REVISED AUGUST 2003
CD74FCT244 . . . E, M, OR SM PACKAGE
CD74FCT244AT . . . E OR M PACKAGE
(TOP VIEW)
BiCMOS Technology With Low Quiescent
Power
Buffered Inputs
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
V
CC
Noninverted Outputs
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
Input/Output Isolation From V
CC
Controlled Output Edge Rates
64-mA Output Sink Current
Output Voltage Swing Limited to 3.7 V
SCR Latch-Up-Resistant BiCMOS Process
and Circuit Design
description/ordering information
The CD74FCT244 and CD74FCT244AT are octal
buffer/line drivers with 3-state outputs using a
small-geometryBiCMOStechnology. The output stages are a combination of bipolar and CMOS transistors that
limit the output high level to two diode drops below V . This resultant lowering of output swing (0 V to 3.7 V)
CC
reduces the power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes V bounce and
CC
ground bounce and their effects during simultaneous output switching. The output configuration also enhances
switching speed and is capable of sinking 64 mA.
These devices are organized as two 4-bit buffers/line drivers with separate active-low output-enable (OE)
inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs
are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup
CC
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
PDIP – E
SOIC – M
Tube
CD74FCT244E
CD74FCT244E
Tube
CD74FCT244M
74FCT244M
Tape and reel
CD74FCT244M96
CD74FCT244SM96
CD74FCT244ATE
CD74FCT244ATM
CD74FCT244ATM96
0°C to 70°C
SSOP – SM Tape and reel
FCT244SM
PDIP – E
Tube
CD74FCT244ATE
Tube
SOIC – M
74FCT244ATM
Tape and reel
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
FUNCTION TABLE
(each buffer/driver)
INPUTS
OUTPUT
Y
OE
A
H
L
L
L
H
L
H
X
Z
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CD74FCT244, CD74FCT244AT
BiCMOS OCTAL BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCBS722B – JULY 2000 – REVISED AUGUST 2003
logic diagram (positive logic)
1
19
11
1OE
2OE
2A1
2
4
6
8
18
16
14
12
9
7
5
3
1A1
1A2
1A3
1A4
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
13
15
17
2A2
2A3
2A4
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
DC supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6 V
CC
I
DC input clamp current, I (V < –0.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20 mA
IK
DC output clamp current, I
(V < –0.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
OK
O
DC output sink current per output pin, I
DC output source current per output pin, I
Continuous current through V , I
Continuous current through GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 mA
OL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 mA
OH
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 mA
CC CC
Package thermal impedance, θ (see Note 1): E package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W
JA
M package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
SM package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
Storage temperature range, T
stg
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions (see Note 2)
MIN
4.75
2
MAX
UNIT
V
V
V
V
V
V
Supply voltage
5.25
CC
IH
IL
High-level input voltage
Low-level input voltage
Input voltage
V
0.8
V
0
0
V
V
V
I
CC
Output voltage
V
O
CC
I
I
High-level output current
Low-level output current
Input transition rise or fall rate (slew rate)
Operating free-air temperature
–15
64
mA
mA
ns/V
°C
OH
OL
∆t/∆v
10
T
0
70
A
NOTE 2: All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
CC
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CD74FCT244, CD74FCT244AT
BiCMOS OCTAL BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCBS722B – JULY 2000 – REVISED AUGUST 2003
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
= 25°C
A
PARAMETER
TEST CONDITIONS
V
CC
MIN
MAX
UNIT
MIN
MAX
V
V
V
I = –18 mA
4.75 V
4.75 V
4.75 V
5.25 V
5.25 V
5.25 V
5.25 V
5.25 V
–1.2
–1.2
V
V
IK
I
I
= –15 mA
= 64 mA
2.4
2.4
OH
OL
OH
OL
I
0.55
0.1
0.55
1
V
I
I
I
I
V = V
I
or GND
A
I
CC
V
O
= V or GND
CC
0.5
10
A
OZ
OS
CC
†
V = V
or GND,
or GND,
V = 0
O
–60
–60
mA
A
I
CC
CC
V = V
I
I
O
= 0
8
1.6
10
80
1.6
10
‡
One input at 3.4 V,
V = V or GND
Other inputs at V
or GND
mA
pF
pF
∆I
CC
CC
C
C
i
I
CC
= V or GND
CC
V
15
15
o
O
†
‡
Not more than one output should be tested at a time, and the duration of the test should not exceed 100 ms.
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or V
.
CC
switching characteristics over recommended operating free-air temperature range,
= 5 V 0.25 V (unless otherwise noted) (see Figure 1)
V
CC
CD74FCT244
CD74FCT244AT
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
T
A
= 25°C
T
A
= 25°C
UNIT
MIN
MAX
MIN
MAX
TYP
4.5
6
TYP
3.8
4.8
4.5
t
t
t
A
1.5
1.5
1.5
6.5
8
1.5
1.5
1.5
5.3
6.5
5.8
ns
ns
ns
Y
Y
Y
pd
en
dis
OE
OE
5
7
noise characteristics, V
= 5 V, C = 50 pF, T = 25°C
CC
L
A
PARAMETER
MIN
TYP
1
MAX
UNIT
V
V
V
V
Quiet output, maximum dynamic V
V
V
V
V
OL(P)
OH(V)
IH(D)
IL(D)
OL
Quiet output, minimum dynamic V
High-level dynamic input voltage
Low-level dynamic input voltage
0.5
OH
2
0.8
operating characteristics, V
= 5 V, T = 25°C
A
CC
PARAMETER
TEST CONDITIONS
No load, f = 1 MHz
TYP
UNIT
C
Power dissipation capacitance
35
pF
pd
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CD74FCT244, CD74FCT244AT
BiCMOS OCTAL BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCBS722B – JULY 2000 – REVISED AUGUST 2003
PARAMETER MEASUREMENT INFORMATION
7 V
Open
GND
S1
500 Ω
TEST
/t
S1
From Output
Under Test
Test
Point
From Output
Under Test
t
Open
7 V
PLH PHL
t
/t
PLZ PZL
C
= 50 pF
C
= 50 pF
L
L
500 Ω
500 Ω
t
/t
Open
7 V
(see Note A)
PHZ PZH
(see Note A)
Open Drain
LOAD CIRCUIT FOR
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
3-STATE AND OPEN-DRAIN OUTPUTS
3 V
90%
90%
1.5 V
10%
1.5 V
10%
0 V
t
t
r
f
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
3 V
1.5 V
Timing Input
Data Input
0 V
t
w
t
h
t
3 V
0 V
su
3 V
0 V
1.5 V
1.5 V
Input
1.5 V
1.5 V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
3 V
0 V
3 V
Output
Control
1.5 V
1.5 V
1.5 V
1.5 V
Input
0 V
V
t
t
t
t
t
t
PLZ
PLH
PHL
PZL
PZH
≈3.5 V
Output
Waveform 1
(see Note B)
OH
In-Phase
Output
1.5 V
1.5 V
1.5 V
1.5 V
V
V
+ 0.3 V
OL
V
OL
V
OL
t
t
PHL
PLH
PHZ
V
V
V
OH
OH
Output
Waveform 2
(see Note B)
– 0.3 V
Out-of-Phase
Output
OH
1.5 V
1.5 V
≈0 V
OL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. includes probe and jig capacitance.
C
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z = 50 Ω, t and t = 2.5 ns.
O
r
f
D. The outputs are measured one at a time with one input transition per measurement.
E.
F.
G.
t
t
t
and t
and t
and t
are the same as t
are the same as t
are the same as t
.
dis
en
.
pd
PLZ
PZL
PHL
PHZ
PZH
PLH
.
Figure 1. Load Circuit and Voltage Waveforms
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
PACKAGING INFORMATION
Orderable Device
CD74FCT244ATE
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
PDIP
N
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
CD74FCT244ATEE4
CD74FCT244ATM
CD74FCT244ATM96
CD74FCT244ATM96E4
CD74FCT244ATM96G4
CD74FCT244ATME4
CD74FCT244ATMG4
CD74FCT244E
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SSOP
SSOP
SSOP
N
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
DW
DW
DW
DW
DW
DW
N
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
CD74FCT244EE4
N
20
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
CD74FCT244M
DW
DW
DW
DW
DW
DW
DB
DB
DB
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CD74FCT244M96
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CD74FCT244M96E4
CD74FCT244M96G4
CD74FCT244ME4
CD74FCT244MG4
CD74FCT244SM96
CD74FCT244SM96E4
CD74FCT244SM96G4
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
(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)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
11-Mar-2008
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0 (mm)
B0 (mm)
K0 (mm)
P1
W
Pin1
Diameter Width
(mm) W1 (mm)
(mm) (mm) Quadrant
CD74FCT244ATM96
CD74FCT244M96
CD74FCT244SM96
SOIC
SOIC
SSOP
DW
DW
DB
20
20
20
2000
2000
2000
330.0
330.0
330.0
24.4
24.4
16.4
10.8
10.8
8.2
13.0
13.0
7.5
2.7
2.7
2.5
12.0
12.0
12.0
24.0
24.0
16.0
Q1
Q1
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
11-Mar-2008
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
CD74FCT244ATM96
CD74FCT244M96
CD74FCT244SM96
SOIC
SOIC
SSOP
DW
DW
DB
20
20
20
2000
2000
2000
346.0
346.0
346.0
346.0
346.0
346.0
41.0
41.0
33.0
Pack Materials-Page 2
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,38
0,22
0,65
28
M
0,15
15
0,25
0,09
5,60
5,00
8,20
7,40
Gage Plane
1
14
0,25
A
0°–ā8°
0,95
0,55
Seating Plane
0,10
2,00 MAX
0,05 MIN
PINS **
14
16
20
24
28
30
38
DIM
6,50
5,90
6,50
5,90
7,50
8,50
7,90
10,50
9,90
10,50 12,90
A MAX
A MIN
6,90
9,90
12,30
4040065 /E 12/01
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-150
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are
designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designated
products in automotive applications, TI will not be responsible for any failure to meet such requirements.
Following are URLs where you can obtain information on other Texas Instruments products and application solutions:
Products
Applications
Audio
Automotive
Broadband
Digital Control
Medical
Amplifiers
Data Converters
DSP
Clocks and Timers
Interface
amplifier.ti.com
dataconverter.ti.com
dsp.ti.com
www.ti.com/clocks
interface.ti.com
logic.ti.com
www.ti.com/audio
www.ti.com/automotive
www.ti.com/broadband
www.ti.com/digitalcontrol
www.ti.com/medical
www.ti.com/military
Logic
Military
Power Mgmt
Microcontrollers
RFID
power.ti.com
microcontroller.ti.com
www.ti-rfid.com
Optical Networking
Security
Telephony
Video & Imaging
Wireless
www.ti.com/opticalnetwork
www.ti.com/security
www.ti.com/telephony
www.ti.com/video
RF/IF and ZigBee® Solutions www.ti.com/lprf
www.ti.com/wireless
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