TECHNICAL DATA
IN74HC595A
8-Bit Serial-Input/Serial or
Parallel-Output Shift Register
with Latched 3-State Outputs
High-Performance Silicon-Gate CMOS
The IN74HC595A is identical in pinout to the LS/ALS595. The
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The IN74HC595A consists of an 8-bit shift register and an 8-bit D-
type latch with three-state parallel outputs. The shift register accepts
serial data and provides a serial output. The shift register also provides
parallel data to the 8-bit latch. The shift register and latch have
independent clock inputs. This device also has an asynchronous reset
for the shift register.
ORDERING INFORMATION
IN74HC595AN Plastic
IN74HC595AD SOIC
TA = -55° to 125° C for all packages
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Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
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