Package and footprint review
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
Read the manufacturer datasheet for SN74AHCT257QPWRQ1 by Texas Instruments. Search the PDF, review the main part details, and request pricing for this Logic - Signal Switches, Multiplexers, Decoders component without leaving the page.
Part Number
SN74AHCT257QPWRQ1Internal code
TCE000101459
Package
TSSOP-16
Sub Category
Logic - Signal Switches, Multiplexers, Decoders
Request pricing
Need pricing, availability, or lead time for this part? Send a quote request while reviewing the datasheet.
Technical summary
SN74AHCT257QPWRQ1 from Texas Instruments is a Logic - Signal Switches, Multiplexers, Decoders device in TSSOP-16 package. Use this manufacturer datasheet to review its electrical, mechanical, and ordering information.
Supply Voltage
4.5 V to 5.5 V
Publication Context
onsemi PD27554X replacement research wave
Validation Required
Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.
Use the SN74AHCT257QPWRQ1 datasheet from Texas Instruments to verify the ratings, package details, operating limits, and ordering information that apply to your design or sourcing decision.
Embedded PDF
Engineering support
If your team is stuck on package interpretation, pin-level review, missing electrical details, or qualification questions around SN74AHCT257QPWRQ1 from Texas Instruments, contact our engineering-friendly team for a more technical discussion.
You can email our engineering support contact at [email protected], or use the contact page if your question needs a broader handoff.
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
Work through pin naming, signal mapping, interface expectations, and other datasheet interpretation issues.
Surface the missing specs, compliance documents, or qualification details your team still needs before approval.
SN74AHCT257QPWRQ1 cross reference and alternatives
Review mapped alternatives for SN74AHCT257QPWRQ1 from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
SN74AHCT257QPWRQ1 is a 5 V TTL-input mux P2P-review candidate for MC74VHCT257ADTR2G; validate pinout, speed, and output drive.
Replacement Type
Pin-to-pin option
Lifecycle status
5
key Attributes
-
Available Quantity
12,000
Logic - Signal Switches, Multiplexers, Decoders
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.

IC DATA SELECTOR/MUX SGL US8

IC MUX QUAD 2CHAN 3STATE 16TSSOP

IC MUX/REGISTER 8IN HS 3ST 20DIP

IC DECODER CMOS BCD-DEC 16SOIC

IC MUX QUAD 2INPUT 3ST 16-SOIC

TI SN74AHCT257PWR is a 5 V AHCT quad 2-input data selector/multiplexer in TSSOP-16.
Common questions
SN74AHCT257QPWRQ1 is a Logic - Signal Switches, Multiplexers, Decoders component from Texas Instruments. This page provides the manufacturer datasheet together with the core part information needed for review and sourcing.
Use the PDF search field above the viewer. Search runs inside the PDF.js reader so you can review matches without leaving the document.
Yes. Use the Request Quote action on this page to submit your email, quantity, and target price for SN74AHCT257QPWRQ1 from Texas Instruments.
This datasheet page lists SN74AHCT257QPWRQ1 with package reference TSSOP-16. Engineers should use the PDF to verify footprint, pin layout, and mechanical details before design or replacement decisions.
Start with the sections covering key ratings, electrical limits, interface behavior, and the attribute group beginning with Lifecycle / Sourcing. Those areas usually confirm whether SN74AHCT257QPWRQ1 fits the intended design constraints.
Yes. This page provides a direct download for the SN74AHCT257QPWRQ1 manufacturer datasheet PDF from Texas Instruments, while keeping the HTML datasheet page available for search and review.
