HD74AC538 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74AC538

1-of-8 Decoder with 3-State Output

Hitachi -> Renesas Electronics 

HD74AC538

1-of-8 Decoder with 3-State Output

Description

The HD74AC538 decoder/demultiplexer accepts three Address (A0 to A2) input signal and decodes them

to select one of eight mutually exclusive outputs. A polarity control input (P) determines whether the

outputs are active LOW or active HIGH. A HIGH signal on either of the active LOW output Enable (OE)

inputs forces all outputs to the high impedance state. Two active HIGH and two active LOW input enables

are available for easy expansion to 1-of-32 decoding with four packages, or for data demultiplexing to 1-of-

8 or 1-of-16 destinations.

Features

• Output Polarity Control

• Data Demultiplexing Capability

• Multiple Enables for Expansion

• Outputs Source/Sink 24 mA

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