74ACT139 Datasheet (Hitachi Semiconductor) - Dual 1-of-4 Decoder/Demultiplexer

74ACT139, Dual 1-of-4 Decoder/Demultiplexer

The CD74AC139 and CD74ACT139 are dual 2-to-4-line decoders/demultiplexers that utilize the Harris Advanced CMOS Logic technology.

These devices contain two independent binary to one-of-four decoders, each with a single active LOW enable input (1E or 2E).

Data on the select inputs (1A0 and 1A1 or 2A0

74ACT139 Features

* Buffered Inputs

* Typical Propagation Delay - 5.4ns at VCC = 5V, TA = 25oC, CL = 50pF

* Exceeds 2kV ESD Protection MIL-STD-883, Method 3015

* SCR-Latchup-Resistant CMOS Process and Circuit Design

* Speed of Bipolar FAST™/AS/S with Signiﬁcantly Reduced Power