HD74HC640FPEL(2010) 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

HD74HC640FPEL
(Rev.:2010)

Octal Bus Transceivers (with 3-state outputs)

Renesas Electronics 

HD74HC640, HD74HC643

Pin Arrangement

HD74HC640

HD74HC643

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

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

Rev.2.00 Mar 30, 2006 page 2 of 10

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