TECHNICAL DATA
IN74HC125A
Quad 3-State Noninverting Buffers
High-Performance Silicon-Gate CMOS
The IN74HC125A is identical in pinout to the LS/ALS125. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LS/ALSTTL outputs.
The IN74HC125A noninverting buffers are designed to be used with 3-
state memory address drivers, clock drivers, and other bus-oriented
systems. The devices have four separate output enables that are active-low.
•
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
ORDERING INFORMATION
IN74HC125AN Plastic
IN74HC125AD SOIC
T
A
= -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
FUNCTION TABLE
Inputs
PIN 14 =V
CC
PIN 7 = GND
A
H
L
X
OE
L
L
H
Output
Y
H
L
Z
X = don’t care
Z = high impedance
118
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