HD74HC139

The HD74HC139 is Dual 2-to-4-line Decoders/Demultiplexers designed by Hitachi Semiconductor.

Product Overview

Hitachi Semiconductor

Part number	HD74HC139
Manufacturer	Hitachi Semiconductor
File Size	51.45 KB
Description	Dual 2-to-4-line Decoders/Demultiplexers
Datasheet	HD74HC139_HitachiSemiconductor.pdf
Additional preview pages of the HD74HC139 datasheet.

The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable input (1G or 2G).

High Speed Operation: tpd (A, B to Y, 4 levels) = 14 ns typ (C L = 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) Function Table Inputs Enable G H L L L L Select B X L L H H A X L H L H Outputs Y0 H L H H H Y1 H H L H H Y2 H H H L H Y3 H H H H L HD74HC139 Pin Arrangement Enable 1G 1 1A 2 Select 1B 3 1Y0 4.

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Published: Mar 23, 2005 |