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MC54HC240A-MC74HC240A
Octal 3-State Inverting Buffer/Line Driver/Line Receiver
SEMICONDUCTOR TECHNICAL DATA ! ! !
High–Performance Silicon–Gate CMOSThe MC54/74HC240A is identical in pinout to the LS240. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
This octal noninverting buffer/line driver/line receiver is designed to be
used with 3–state memory address drivers, clock drivers, and other
sub–oriented systems. The device has inverting outputs and two active–low
output enables.
The HC240A is similar in function to the HC241A and HC244A. Output Drive Capability: 15 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2 to 6 V Low Input Current: 1 μA High Noise Immunity Characteristic of CMOS Devices In Compliance with the Requirements Defined by JEDEC Standard
No. 7A Chip Complexity: 120 FETs or 30 Equivalent Gates
LOGIC DIAGRAMDATA
INPUTS YB4
YB3
YB2
YB1
YA4
YA3
YA2
YA1
INVERTING
OUTPUTS
PIN 20 = VCC
PIN 10 = GNDOUTPUT
ENABLES
ENABLE A
ENABLE B
