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HEF4555B-Q100 - 1-of-4 decoder/demultiplexer

General Description

The HEF4555B-Q100 contains two 1-of-4 decoders/demultiplexers.

Each has two address inputs (nA0 and nA1, an active LOW enable input (nE) and four mutually exclusive outputs which are active HIGH (nY0 to nY3).

When used as a decoder, nE when HIGH, forces nY0 to nY3 LOW.

Key Features

  • Automotive product qualification in accordance with AEC-Q100 (Grade 3).
  • Specified from -40 °C to +85 °C.
  • Wide supply voltage range from 3.0 V to 15.0 V.
  • CMOS low power dissipation.
  • High noise immunity.
  • Fully static operation.
  • 5 V, 10 V, and 15 V parametric ratings.
  • Standardized symmetrical output characteristics.
  • ESD protection:.
  • MIL-STD-883, method 3015 exceeds 2000 V.
  • HBM JESD22-A114F exceeds 20.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HEF4555B-Q100 1-of-4 decoder/demultiplexer Rev. 3 — 15 March 2022 Product data sheet 1. General description The HEF4555B-Q100 contains two 1-of-4 decoders/demultiplexers. Each has two address inputs (nA0 and nA1, an active LOW enable input (nE) and four mutually exclusive outputs which are active HIGH (nY0 to nY3). When used as a decoder, nE when HIGH, forces nY0 to nY3 LOW. When used as a demultiplexer, the appropriate output is selected by the information on nA0 and nA1 with nE as data input. All unselected outputs are LOW. It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.