Product details

Technology family HCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 85 Rating Catalog
Technology family HCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 85 Rating Catalog
PDIP (N) 16 181.42 mm² 19.3 x 9.4 SOIC (D) 16 59.4 mm² 9.9 x 6
  • Operating Voltage Range of 4.5 V to 5.5 V
  • High-Current Outputs Drive Up To 15 LSTTL Loads
  • Typical tpd = 15 ns
  • Low Power Consumption, 80-µA Max ICC
  • ±6-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Inputs Are TTL-Voltage Compatible
  • Buffered Inputs and Outputs

  • Operating Voltage Range of 4.5 V to 5.5 V
  • High-Current Outputs Drive Up To 15 LSTTL Loads
  • Typical tpd = 15 ns
  • Low Power Consumption, 80-µA Max ICC
  • ±6-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Inputs Are TTL-Voltage Compatible
  • Buffered Inputs and Outputs

These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output gates. A separate strobe (G)\ input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs.

These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output gates. A separate strobe (G)\ input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs.

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Technical documentation

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Type Title Date
* Data sheet SN54HCT157, SN74HCT157 datasheet (Rev. D) 02 Oct 2003
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
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
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note SN54/74HCT CMOS Logic Family Applications and Restrictions 01 May 1996
Application note Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc 01 Apr 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
Not available on TI.com
Package Pins CAD symbols, footprints & 3D models
PDIP (N) 16 Ultra Librarian
SOIC (D) 16 Ultra Librarian

Ordering & quality

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Information included:
  • Fab location
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