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74ACT139SCX

FAIRCHILD SEMICONDUCTOR  74ACT139SCX  芯片, 解码器/信号分离器, 双路, 1:4, NSOIC-16

**General Description**

The AC/ACT139 is a high-speed, dual 1-of-4 decoder/demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active-LOW outputs. Each decoder has an active-LOW Enable input which can be used as a data input for a 4-output demultiplexer. Each half of the AC/ACT139 can be used as a function generator providing all four minterms of two variables.

**Features**

■ ICC reduced by 50%

■ Multifunction capability

■ Two completely independent 1-of-4 decoders

■ Active LOW mutually exclusive outputs

■ Outputs source/sink 24 mA

■ ACT139 has TTL-compatible inputs

74ACT139SCX PDF数据文档
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