Product details

Technology family AHCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 125 Rating Catalog
Technology family AHCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 125 Rating Catalog
TSSOP (PW) 16 32 mm² 5 x 6.4 WQFN (BQB) 16 8.75 mm² 3.5 x 2.5
  • Operating range 4.5V to 5.5V VCC
  • TTL-Compatible inputs
  • Low delay, 6ns typ (25°C, 5V)
  • Latch-up performance exceeds 250mAper JESD 17
  • Operating range 4.5V to 5.5V VCC
  • TTL-Compatible inputs
  • Low delay, 6ns typ (25°C, 5V)
  • Latch-up performance exceeds 250mAper JESD 17

The SN74AHCT257 is a quad 2-input data selector/multiplexer with 3-state outputs. Shared A/B and OE inputs controlls all channels.

The SN74AHCT257 is a quad 2-input data selector/multiplexer with 3-state outputs. Shared A/B and OE inputs controlls all channels.

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Pin-for-pin with same functionality to the compared device
CD74ACT157 ACTIVE Quad Non-Inverting 2-Input Multiplexers Higher average drive strength (24mA)

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 19
Type Title Date
* Data sheet SN74AHCT257 Quad 2-Input Data Selectors/Multiplexers with Three-State Non-Inverting Outputs datasheet PDF | HTML 27 Mar 2024
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Little Logic Guide 2018 (Rev. G) 06 Jul 2018
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note How to Select Little Logic (Rev. A) 26 Jul 2016
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
Product overview Design Summary for WCSP Little Logic (Rev. B) 04 Nov 2004
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
Application note Selecting the Right Level Translation Solution (Rev. A) 22 Jun 2004
Application note Advanced High-Speed CMOS (AHC) Logic Family (Rev. C) 02 Dec 2002
Application note Texas Instruments Little Logic Application Report 01 Nov 2002
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Design guide AHC/AHCT Designer's Guide February 2000 (Rev. D) 24 Feb 2000
Product overview Military Advanced High-Speed CMOS Logic (AHC/AHCT) (Rev. C) 01 Apr 1998
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices 01 Dec 1997
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) 01 Aug 1997
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Live Insertion 01 Oct 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
Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

User guide: PDF | HTML
Not available on TI.com
Package Pins Download
TSSOP (PW) 16 View options
WQFN (BQB) 16 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos