HD74HCT620 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HD74HCT620

Octal Bus Transceivers

Hitachi -> Renesas Electronics 

HD74HCT620/HD74HCT623

Function Table

Enable Input

GBA

L

H

H

L

GAB

L

H

L

H

Operation

HD74HCT620

B data to A bus

A data to B bus

Isolation

B data to A bus,

A data to B bus

HD74HCT623

B data to A bus

A data to B bus

Isolation

B data to A bus,

A data to B bus

Pin Arrangement

Enable GAB 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 GBA

18 B1

17 B2

16 B3

15 B4

14 B5

13 B6

12 B7

11 B8

2

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