HD74HCT640 - Octal Bus Transceivers (with 3-state outputs)

Product Overview

Hitachi Semiconductor

Part number	HD74HCT640
Manufacturer	Hitachi Semiconductor
File Size	52.30 KB
Description	Octal Bus Transceivers (with 3-state outputs)
Datasheet	HD74HCT640 Datasheet
Additional preview pages of the HD74HCT640 datasheet.

Both the HD74HCT640 and the HD74HCT643 have one active low enable input (G ), and a direction control (DIR).

LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (A to B) = 14.5 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 4.5 to 5.5 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Control Input G L L H DIR L H X Operation HD74HCT640 B data to A bus A data to B bus Isolation HD74HCT6.

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Published: Mar 23, 2005 |