HD74HC137 Datasheet (Hitachi Semiconductor) - 3-to-8-line Decoder/Demultiplexer

HD74HC137, 3-to-8-line Decoder/Demultiplexer

The HD74HC137 implements a three-to-eight line decoder with latches on the three address inputs.

When GL goes from low to high, the address present at the select inputs (A, B and C) is stored in the latches.

As long as GL remains high no address changes will be recognized.

Output enable controls, G1

HD74HC137 Features

* High Speed Operation: tpd (A, B, C to Y) = 16.5 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 V to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)