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DM74ALS158 - Quad 1-of-2 Line Data Selector/Multiplexer

Download the DM74ALS158 datasheet PDF. This datasheet also covers the DM74ALS157 variant, as both devices belong to the same quad 1-of-2 line data selector/multiplexer family and are provided as variant models within a single manufacturer datasheet.

General Description

These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates.

A separate strobe input is provided.

A 4-bit word is selected from one of two sources and is routed to the four outputs.

Key Features

  • s Switching specifications at 50 pF s Switching specifications guaranteed over full tempera- ture and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL process s Functionally and pin for pin compatible with Schottky and low power Schottky TTL counterpart s Improved AC performance over Schottky and low power Schottky counterparts s Expand any data input point s Multiplex dual data buses s General four functions of two vari.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (DM74ALS157_FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
DM74ALS151 1 of 8 Line Data Selector/Multiplexer National Semiconductor
DM74ALS1011A Triple 3 Input AND Buffer National
DM74ALS1242 Quad Bidirectional Bus Drivers National Semiconductor
DM74ALS1242A Quad Bidirectional Bus Driver National
DM74ALS132 DM74ALS132 Quad 2-Input NAND Gate with Schmitt Trigger Inputs National Semiconductor

Other Datasheets by Fairchild (onsemi)

Part Number Description
DM74ALS151 1 of 8 Line Data Selector/Multiplexer
DM74ALS153 Dual 1-of-4 Line Data Selector/Multiplexer
DM74ALS157 Quad 1-of-2 Line Data Selector/Multiplexer
DM74ALS1000A Quadruple 2-Input NAND Buffer
DM74ALS1004 Hex Inverting Driver

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
DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer April 1984 Revised February 2000 DM74ALS157 • DM74ALS158 Quad 1-of-2 Line Data Selector/Multiplexer General Description These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The ALS157 presents true data whereas the ALS158 presents inverted data to minimize propagation delay time.