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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

  • n n n n n n 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 Logic Symbols IEEE/IEC DS100286-1 DS100286-2 Pin Names S OE I0a.
  • I0d I1a.
  • I1d Za.
  • Zd.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (54AC257_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
54ACT257 Quad 2-Input Multiplexer Texas Instruments

Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
54ACT251 8-Input Multiplexer
54ACT253 Dual 4-Input Multiplexer
54ACT258 Quad 2-Input Multiplexer
54ACT240 Octal Buffer/Line Driver
54ACT241 Octal Buffer/Line Driver
54ACT244 Octal Buffer/Line Driver
54ACT245 Octal Bidirectional Transceiver
54ACT2726 BIF FIFO
54ACT299 8-Input Universal Shift/Storage Register
54ACT00 Quad 2-Input NAND Gate

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
www.DataSheet4U.com 54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE Outputs July 1998 54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE ® Outputs 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. The outputs may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus-oriented systems.