Product details

Technology Family AS Function Digital Multiplexer Configuration 2:1 Number of channels (#) 4 Operating temperature range (C) 0 to 70 Rating Catalog
Technology Family AS Function Digital Multiplexer Configuration 2:1 Number of channels (#) 4 Operating temperature range (C) 0 to 70 Rating Catalog
PDIP (N) 16 181 mm² 19.3 x 9.4 SOIC (D) 16 59 mm² 9.9 x 6 SOP (NS) 16 80 mm² 10.2 x 7.8
  • 3-State Outputs Interface Directly With System Bus
  • Provide Bus Interface From Multiple Sources in High-Performance Systems
  • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
  • 3-State Outputs Interface Directly With System Bus
  • Provide Bus Interface From Multiple Sources in High-Performance Systems
  • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

These data selectors/multiplexers are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable () input is at a high logic level.

The SN54ALS257A and SN54ALS258A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS257A, SN74ALS258A, SN74AS257, and SN74AS258 are characterized for operation from 0°C to 70°C.

 

 

These data selectors/multiplexers are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable () input is at a high logic level.

The SN54ALS257A and SN54ALS258A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS257A, SN74ALS258A, SN74AS257, and SN74AS258 are characterized for operation from 0°C to 70°C.

 

 

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Technical documentation

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Type Title Date
* Data sheet Quad 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs datasheet (Rev. C) 01 Aug 1996
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
More literature Logic Cross-Reference (Rev. A) 07 Oct 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note Advanced Schottky Load Management 01 Feb 1997
Application note Input and Output Characteristics of Digital Integrated Circuits 01 Oct 1996
Application note Live Insertion 01 Oct 1996
Application note Advanced Schottky (ALS and AS) Logic Families 01 Aug 1995

Design & development

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Evaluation board

14-24-LOGIC-EVM — Generic Logic EVM Supporting 14 through 24 Pin PW, DB, D, DW, NS, DYY, and DGV Packages

This EVM is designed to support any logic device that has a D, DW, DB, NS, PW, DYY or DGV package in a 14 to 24 pin count.

User guide: PDF | HTML
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Package Pins Download
PDIP (N) 16 View options
SO (NS) 16 View options
SOIC (D) 16 View options

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