HD74HC640 - Octal Bus Transceivers

Hitachi Semiconductor

Datasheet Details

Part number	HD74HC640
Manufacturer	Hitachi Semiconductor
File Size	69.43 KB
Description	Octal Bus Transceivers
Datasheet	HD74HC640_HitachiSemiconductor.pdf

Each device has an active enable G and a direction control input, DIR.

High Speed Operation: tpd = 12 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Control Inputs G L L H DIR L H X Operation HD74HC640 B data to A bus A data to B bus Isolation HD74HC643 B data to A bus A data to B bus Isolation HD74HC640/HD74HC643 Pin Arrangement HD74HC640 DIR A1 A2.

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Published: Mar 23, 2005 |