Decoder/Demultiplexer
Features
Designed specifically for high speed:
- Memory decoders
- Data transmission systems
DM74LS138 3-to-8-line decoders incorporates 3 enable
inputs to simplify cascading and/or data reception
DM74LS139 contains two fully independent 2-to-4-line
decoders/demultiplexers
Schottky clamped for high performance
Typical propagation delay (3 levels of logic)
- DM74LS138 21 ns
- DM74LS139 21 ns
Typical power dissipation
- DM74LS138 32 mW
- DM74LS139 34 mW
데이터시트 보기
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