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74AHC257-Q100 - Quad 2-input multiplexer

General Description

The 74AHC257-Q100; 74AHCT257-Q100 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL).

It is specified in compliance with JEDEC standard No.

7-A.

Key Features

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1).
  • Specified from 40 C to +85 C and from 40 C to +125 C.
  • Balanced propagation delays.
  • All inputs have Schmitt-trigger actions.
  • Non-inverting data path.
  • Inputs accept voltages higher than VCC.
  • Input levels:.
  • For 74AHC257-Q100: CMOS level.
  • For 74AHCT257-Q100: TTL level Nexperia 74AHC257-Q100; 74AHCT257-Q100 Quad 2-input multiplexer; 3-state.
  • ESD protection:.
  • MIL-STD.

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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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74AHC257-Q100; 74AHCT257-Q100 Quad 2-input multiplexer; 3-state Rev. 1 — 22 July 2013 Product data sheet 1. General description The 74AHC257-Q100; 74AHCT257-Q100 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC257-Q100; 74AHCT257-Q100 has four identical 2-input multiplexers with 3-state outputs. They select 4 bits of data from two sources and a common data select input (S) controls them. The data inputs from source 0 (1I0 to 4I0), are selected when input S is LOW. The data inputs from source 1 (1I1 to 4I1) are selected when input S is HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the selected inputs.