Overview
HD74HC139 is listed in the Logic IC category. Available datasheets include documents from Hitachi Semiconductor, Renesas Technology Corp.
Summary
Dual 2-to-4-line Decoders/Demultiplexers
Description
The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable input (1G or 2G). Data on the slect inputs (1A and 1B or 2A and 2B) cause one of the four normally high outputs to go low.
Source title
HD74HC139 Datasheet(PDF) - Hitachi Semiconductor