HD74HCT640 Datasheet, PDF(2/7 Page) Hitachi Semiconductor – Octal Bus Transceivers (with 3-state outputs)

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HD74HCT640 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Octal Bus Transceivers (with 3-state outputs)

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HD74HCT640/HD74HCT643

Pin Arrangement

HD74HCT640

DIR 1

A1 2

A2 3

A3 4

A4 5

A5 6

A6 7

A7 8

A8 9

GND 10

(Top view)

20 VCC

19 Enable G

18 B1

17 B2

16 B3

15 B4

14 B5

13 B6

12 B7

11 B8

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