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MC74HC640A

Motorola
Part Number MC74HC640A
Manufacturer Motorola
Description Octal 3-State Inverting Bus Transeceiver
Published Sep 11, 2005
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal 3-State Inverting Bus Transceiver High–Performance Silicon–Gate CMOS The M...
Datasheet PDF File MC74HC640A PDF File

MC74HC640A
MC74HC640A

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal 3-State Inverting Bus Transceiver High–Performance Silicon–Gate CMOS The MC54/74HC640A is identical in pinout to the LS640.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.
The HC640A is a 3–state transceiver that is used for 2–way asynchronous communication between data buses.
The device has an active–low Output Enable pin, which is used to place the I/O ports into high–impedance states.
The Direction control determines whether data flows from A to B or from B to A.
• • • • • • 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: 276 FETs or 69 Equivalent Gates MC54/74HC640A J SUFFIX CERAMIC PACKAGE CASE 732–03 1 20 20 1 N SUFFIX PL...


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