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CD54ACT138 Datasheet 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

Manufacturer: Texas Instruments

General Description

/ordering information The ’ACT138 decoders/demultiplexers are designed for high-performance memory-decoding and data-routing applications that require very short propagation-delay times.

In high-performance memory systems, these decoders can be used to minimize the effects of system decoding.

When employed with high-speed memories utilizing a fast enable circuit, the delay times of these decoders and the enable time of the memory usually are less than the typical access time of the memory.

Overview

CD54ACT138, CD74ACT138 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS D Inputs Are TTL-Voltage Compatible D Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption D Designed Specifically for High-Speed Memory Decoders and Data-Transmission Systems D Incorporate Three Enable Inputs to Simplify Cascading and/or Data Reception D Balanced Propagation Delays D ±24-mA Output Drive Current – Fanout to 15 F Devices D SCR-Latchup-Resistant CMOS Process and Circuit Design D Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015 SCHS329A – JANUARY 2003 – REVISED FEBRUARY 2003 CD54ACT138 .

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