SCLS113E December   1982  – February 2022 SN54HC157 , SN74HC157

PRODUCTION DATA  

  1. Features
  2. Description
  3. Revision History
  4. Pin Configuration and Functions
  5. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Switching Characteristics
    6. 5.6 Operating Characteristics
  6. Parameter Measurement Information
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. Power Supply Recommendations
  9. Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|16
  • PW|16
  • NS|16
  • N|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Description

The SNx4HC157 contains four data selectors/multiplexers to select one of two data sources. All channels are controlled by the same address select (A/B) input, and strobe (G) input. A high level at the strobe terminal forces all outputs low.

Device Information
PART NUMBER PACKAGE(1) BODY SIZE (NOM)
SN74HC157D SOIC (16) 9.90 mm × 3.90 mm
SN74HC157DB SSOP (16) 6.20 mm × 5.30 mm
SN74HC157N PDIP (16) 19.31 mm × 6.35 mm
SN74HC157NS SO (16) 6.20 mm × 5.30 mm
SN74HC157PW TSSOP (16) 5.00 mm × 4.40 mm
SN54HC157J CDIP (16) 24.38 mm × 6.92 mm
SNJ54HC157FK LCCC (20) 8.89 mm × 8.45 mm
SNJ54HC157W CFP (16) 10.16 mm × 6.73 mm
For all available packages, see the orderable addendum at the end of the data sheet.
GUID-6A921131-2FC8-4760-AD76-591C2E27F12A-low.png

Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.

Functional Block Diagram