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HD74HC643

Renesas
Part Number HD74HC643
Manufacturer Renesas
Description Octal Bus Transceivers
Published Apr 4, 2016
Detailed Description HD74HC640, HD74HC643 Octal Bus Transceivers (with 3-state outputs) REJ03D0637-0200 (Previous ADE-205-517) Rev.2.00 Mar...
Datasheet PDF File HD74HC643 PDF File

HD74HC643
HD74HC643

Overview
HD74HC640, HD74HC643 Octal Bus Transceivers (with 3-state outputs) REJ03D0637-0200 (Previous ADE-205-517) Rev.
2.
00 Mar 30, 2006 Description Each device has an active enable G and a direction control input, DIR.
When DIR is high, data flows from the A inputs to the B outputs.
When DIR is low, data flows from the B inputs to the A outputs.
The HD74HC640 transfers inverted data from one bus to other and the HD74HC643 transfers inverted data from the A bus to the B bus and true data from the B bus to the A bus.
Features • 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 ...


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