74AC139 系列 6 V 表面贴装 双 4 选 1 解码器/多路解复用器 - SOIC-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
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
74AC139SCX Fairchild 飞兆/仙童 | 当前型号 | 当前型号 |
MC74AC139DR2G 安森美 | 完全替代 | 74AC139SCX和MC74AC139DR2G的区别 |
MC74AC139DG 安森美 | 功能相似 | 74AC139SCX和MC74AC139DG的区别 |
CD74AC139M 德州仪器 | 功能相似 | 74AC139SCX和CD74AC139M的区别 |