74AC138 Datasheet - ON Semiconductor

74AC138 Dual 1-of-8 Decoder/Demultiplexer

The AC138/ACT138 is a high *speed 1 *of *8 decoder/demultiplexer. This device is ideally suited for high *speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1 *of *24 decoder using just three AC138/ACT.

74AC138 Features

* ICC Reduced by 50%

* Demultiplexing Capability

* Multiple Input Enable for Easy Expansion

* Active LOW Mutually Exclusive Outputs

* Outputs Source/Sink 24 mA

* ACT138 Has TTL Compatible Inputs

* These are Pb

* Free Devices VCC O0 O1 O2 O3 O4 O5 O6 16 15 14 13 12 1

74AC138-ONSemiconductor.pdf