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IN74AC240 View Datasheet(PDF) - Integral Corp.

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IN74AC240 Datasheet PDF : 4 Pages
1 2 3 4
TECHNICAL DATA
Octal 3-State Inverting Buffer/Line
Driver/Line Receiver
High-Speed Silicon-Gate CMOS
IN74AC240
The IN74AC240 is identical in pinout to the LS/ALS240,
HC/HCT240. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALSTTL
outputs.
This octal inverting buffer/line driver/line receiver is designed to
be used with 3-state memory address drivers, clock drivers, and other
bus-oriented systems. The device has inverting outputs and two active-
low output enables.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA; 0.1 µA @ 25°C
High Noise Immunity Characteristic of CMOS Devices
Outputs Source/Sink 24 mA
LOGIC DIAGRAM
ORDERING INFORMATION
IN74AC240N Plastic
IN74AC240DW SOIC
TA = -40° to 85° C for all
packages
PIN ASSIGNMENT
PIN 20=VCC
PIN 10 = GND
302
FUNCTION TABLE
Inputs
Enable A, A,B
Enable B
L
L
L
H
H
X
X = don’t care
Z = high impedance
Outputs
YA,YB
H
L
Z
 

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