HD74ACT139 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HD74ACT139

Dual 1-of-4 Decoder/Demultiplexer

Hitachi -> Renesas Electronics 

HD74AC139/HD74ACT139

Pin Arrangement

Logic Symbol

Ea 1

A0a 2

A1a 3

O0a 4

O1a 5

O2a 6

O3a 7

GND 8

(Top view)

16 VCC

15 Eb

14 A0b

13 A1b

12 O0b

11 O1b

10 O2b

9 O3b

E A0 A1

DECODER a

O0 O1 O2 O3

Pin Names

A0, A1

E

O0 to O 3

Address Inputs

Enable Inputs

Outputs

E A0 A1

DECODER b

O0 O1 O2 O3

2

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