U74AHC595L-S16-T [UTC]
8-BIT SHIFT REGISTER WITH 3-STATE OUTPUT REGISTERS;
| 型号： | U74AHC595L-S16-T |
| 厂家： | 
Unisonic Technologies |
| 描述： | 8-BIT SHIFT REGISTER WITH 3-STATE OUTPUT REGISTERS 输出元件 |
| 文件： | 总7页 (文件大小：268K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
U74AHC595
CMOS IC
8-BIT SHIFT REGISTER WITH
3-STATE OUTPUT REGISTERS
DESCRIPTION
SOP-16
The UTC 74AHC595 contains an 8-bit serial-in, parallel-out shift
register that feeds an 8-bit D-type storage register. The storage
register has parallel 3-state outputs. Separate clocks are provided
for both the shift and storage registers. The shift register has a direct
overriding clear ( SRCLR ) input, serial (SER) input, and a serial
output for cascading. When the output-enable ( OE ) input is high, all
outputs, except QH’, are in the high-impedance state.
Both the shift-register clock (SRCLK) and storage-register clock
(RCLK) are positive-edge triggered. If both clocks are connected
together the shift register always is one clock pulse ahead of the
storage register.
SSOP-16(150mil)
FEATURES
* Operation Voltage Range: 2~5.5V
* 8-bit Serial-In, Parallel-Out Shift
* Shift Register Has Direct Clear
ORDERING INFORMATION
Ordering Number
Lead Free
Package
Packing
Halogen Free
U74AHC595L-S16-T
U74 AHC595L-S16-R
U74AHC595L-R16-T
U74 AHC595L-R16-R
U74 AHC595G-S16-T
U74 AHC595G-S16-R
U74 AHC595G-R16-T
U74 AHC595G-R16-R
SOP-16
SOP-16
Tube
Tape Reel
Tube
SSOP-16
SSOP-16
Tape Reel
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CMOS IC
PIN CONFIGURATION
FUNCTION TABLE
INPUTS
FUNCTION
SER
SRCLK
SRCLR
RCLK
OE
H
X
X
X
X
X
X
X
X
L
X
X
X
Outputs QA-QH are disabled.
Outputs QA-QH are enabled.
Shift register is cleared.
L
X
First stage of the shift register goes low.
Other stages store the data of previous stage, respectively.
First stage of the shift register goes high.
Other stages store the data of previous stage, respectively.
Shift-register data is stored into the storage register.
L
↑
H
X
X
H
X
↑
H
X
X
X
X
X
↑
L: low voltage level; H: high voltage level; ↑: low-to-high; X: don’t care
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U74AHC595
CMOS IC
LOGIC DIAGRAM (POSITIVE LOGIC)
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U74AHC595
CMOS IC
TIMING DIAGRAM
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U74AHC595
CMOS IC
ABSOLUTE MAXIMUM RATING (unless otherwise specified)(Note 2)
PARAMETER
SYMBOL
VCC
RATINGS
-0.5~7.0
-0.5~7.0
-0.5~VCC+0.5
-20
UNIT
V
Supply Voltage
Input Voltage
VIN
V
Output Voltage(active mode)
Input Clamp Current (ViN<0)
Output Clamp Current (VOUT<0)
Output Current
VOUT
IIK
V
mA
mA
mA
mA
°C
IOK
±20
IOUT
ICC
±25
VCC or GND Current
±75
Storage Temperature
TSTG
-65 ~ +150
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are
observed.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
SOP-16
73
82
Junction to Ambient
θJA
°С/W
SSOP-16
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
2
TYP
MAX
5.5
UNIT
V
Supply Voltage
VCC
VIN
Input Voltage
0
5.5
V
Output Voltage
VOUT
TA
0
VCC
125
100
20
V
Operating free-air temperature
-40
°C
V
CC =3.3±0.3V
Input Transition Rise or Fall Rate
∆t/∆v
ns/V
VCC =5±0.5V
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
1.5
VCC=2V
HIGH-level input voltage
LOW-lever output voltage
VIH
VCC=3V
2.1
V
VCC=5.5V
3.85
VCC=2V
0.5
0.9
VIL
VCC=3V
V
VCC=5.5V
1.65
VCC=2V, IOH=-50μA
VCC=3V, IOH=-50μA
VCC=4.5V, IOH=-50μA
VCC=3V, IOH=-4mA
VCC=4.5V, IOH=-8mA
VCC=2V, IOL=50μA
VCC=3V, IOL=50μA
VCC=4.5V, IOL=50μA
VCC=3V, IOL=4mA
1.9
2.9
2
3
High-Level Output Voltage
Low-Level Output Voltage
VOH
4.4 4.5
2.58
V
V
3.94
0.1
0.1
VOL
0.1
0.36
0.36
VCC=4.5V, IOH=8mA
II=5.5V or GND, VCC=0 to 5.5V
VI=VCC or GND,VO=VCC or GND,
OE =VIH or VIL, VCC=5.5V
VI=GND or VCC, IO=0, Vcc=5.5V
VI=VCC or GND, VCC=5V
VO=VCC or GND, VCC=5V
Input Leakage Current
Output Off-state Current
II
±0.1 μA
IOZ
±0.25 μA
Quiescent Supply Current
Input Capacitance
ICC
CI
4
μA
pF
pF
3
10
Output Capacitance
COUT
5.5
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DYNAMIC CHARACTERISTICS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
VCC=3.3±0.3V,CL=15pF
MIN TYP MAX UNIT
80
55
120
105
VCC=3.3±0.3V,CL=50pF
VCC=5±0.5V,CL=15pF
VCC=5±0.5V,CL=50pF
Maximum Clock Frequency
fmax
MHz
135 170
95
140
6
CL=15pF
11.9
VCC=3.3±0.3V,
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
VCC=3.3±0.3V
VCC=5±0.5V
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
CL=15pF
CL=50pF
7.9 15.4
tPLH
tPHL
tPLH
tPHL
tPHL
tPZH
tPZL
4.3
5.6
6
7.4
9.4
From RCLK to QA-QH
ns
11.9
7.9 15.4
4.3
5.6
6.6
7.4
9.4
13
9.2 16.5
4.5 8.2
6.4 10.2
6.6 13
9.2 16.5
4.5 8.2
From SRCLK to QH'
From SRCLR to QH'
From OE to QA-QH
From OE to QA-QH
ns
ns
ns
ns
6.4 10.2
6.2 12.8
9
16.3
8
4.5
6.4
6
10
11.5
15
7.8
4.3
8.6
5.7 10.6
7.8 11.5
9.6
5.4
15
8.6
6.8 10.6
8.1 15.7
3.5 10.3
9.3 15.7
3.4 10.3
V
CC=3.3±0.3V,CL=50pF
VCC=5±0.5V,CL=50pF
CC=3.3±0.3V,CL=50pF
VCC=5±0.5V,CL=50pF
tPHZ
tPLZ
V
OPERATING CHARACTERISTICS (VCC=5V, TA=25°C, unless otherwise specified)
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITIONS
No load, f=1MHz
MIN TYP MAX UNIT
25.2
pF
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CMOS IC
TEST CIRCUIT AND WAVEFORMS
VCC
K1
From Output
RL=1KΩ
CL
(Note 1)
K2
Note: 1. CL includes probe and jig capacitance.
2. All input pulses are supplied by generators having the following characteristics:
PRR ≤1MHZ, ZO=50Ω, tr ≤3ns, tf ≤3ns.
3. The outputs are measured one at a time, with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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