Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times.
Features
- s Designed specifically for high speed: Memory decoders Data transmission systems s DM74LS138 3-to-8-line decoders incorporates 3 enable inputs to simplify cascading and/or data reception s DM74LS139 contains two fully independent 2-to-4-line decoders/demultiplexers s Schottky clamped for high performance s Typical propagation delay (3 levels of logic) DM74LS138 DM74LS139 DM74LS138 DM74LS139 21 ns 21 ns 32 mW 34 mW
s Typical power dissipation
Ordering Code:
Order Number DM74LS138M DM74LS138SJ.
74LS139_FairchildSemiconductor.pdf
