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74AC139 Datasheet - Fairchild Semiconductor

74AC139_FairchildSemiconductor.pdf

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Datasheet Details

Part number:

74AC139

Manufacturer:

Fairchild Semiconductor

File Size:

96.52 KB

Description:

Dual 1-of-4 decoder/demultiplexer.

74AC139, Dual 1-of-4 Decoder/Demultiplexer

The AC/ACT138 is a high-speed 1-of-8 decoder/demultiplexer.

This device is ideally suited for high-speed bipolar memory chip select address decoding.

The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three AC/ACT138 devices or a 1-of-32 decoder using four AC/ACT138

74AC139 Features

* s ICC reduced by 50% s Demultiplexing capability s Multiple input enable for easy expansion s Active LOW mutually exclusive outputs s Outputs source/sink 24 mA s ACT138 has TTL-compatible inputs Ordering Code: Order Number 74AC138SC 74AC138SJ 74AC138MTC 74AC138PC 74ACT138SC 74ACT138SJ 74ACT138PC Pa

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