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54ACT257 - Quad 2-Input Multiplexer

Download the 54ACT257 datasheet PDF. This datasheet also covers the 54AC257 variant, as both devices belong to the same quad 2-input multiplexer family and are provided as variant models within a single manufacturer datasheet.

General Description

The 'AC/'ACT257 is a quad 2-input multiplexer with TRI-STATE outputs.

Four bits of data from two sources can be selected using a Common Data Select input.

The four outputs present the selected data in true (noninverted) form.

Key Features

  • 1.
  • 23 ICC and IOZ Reduced by 50%.
  • Multiplexer Expansion by Tying Outputs Together.
  • Noninverting TRI-STATE Outputs.
  • Outputs Source/Sink 24 mA.
  • 'ACT257 has TTL-Compatible Inputs.
  • Standard Military Drawing (SMD).
  • 'AC257: 5962-88703.
  • 'ACT257: 5962-89689.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (54AC257-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
54ACT257 Quad 2-Input Multiplexer National Semiconductor
54ACT251 8-Input Multiplexer National Semiconductor
54ACT253 Dual 4-Input Multiplexer National Semiconductor
54ACT258 Quad 2-Input Multiplexer National Semiconductor
54ACT240 Octal Buffer/Line Driver National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
54ACT251 8-Input Multiplexer
54ACT241-N Octal Buffer/Line Driver
54ACT244-N Octal Buffer/Line Driver
54ACT00 Quadruple 2-Input Positive-NAND Gates
54ACT11000 QUADRUPLE 2-INPUT POSITIVE-NAND GATES

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.

View original datasheet text
OBSOLETE 54AC257, 54ACT257 www.ti.com SNOS102B – JULY 1998 – REVISED APRIL 2013 54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE Outputs Check for Samples: 54AC257, 54ACT257 FEATURES 1 •23 ICC and IOZ Reduced by 50% • Multiplexer Expansion by Tying Outputs Together • Noninverting TRI-STATE Outputs • Outputs Source/Sink 24 mA • 'ACT257 has TTL-Compatible Inputs • Standard Military Drawing (SMD) – 'AC257: 5962-88703 – 'ACT257: 5962-89689 DESCRIPTION The 'AC/'ACT257 is a quad 2-input multiplexer with TRI-STATE outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (noninverted) form.