1 Features

? Inputs are TTL-voltage compatible

? Speed of bipolar F, AS, and S, with significantly

reduced power consumption

? Designed specifically for high-speed memory

decoders and data-transmission systems

? Incorporate three enable inputs to simplify

cascading and/or data reception

? Balanced propagation delays

? ±24mA output drive current

– Fanout to 15 F devices

? SCR-latchup-resistant CMOS process and circuit

design

? Exceeds 2kV ESD protection per MIL-STD-883,

method 3015

2 Description

The ’ACT138 decoders/demultiplexers are designed

for high-performance memory-decoding and datarouting

applications that require very short

propagation-delay times. In high-performance

memory systems, these decoders can be used to

minimize the effects of system decoding.