Package and footprint review
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
SN74AHCT257PWR Datasheet PDF
Read the manufacturer datasheet for SN74AHCT257PWR 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.
Manufacturer datasheetTexas Instruments
Part Number
SN74AHCT257PWRInternal code
TCE000101457
Package
TSSOP-16
Sub Category
Logic - Signal Switches, Multiplexers, Decoders
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Technical summary
Key document context
SN74AHCT257PWR 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 SN74AHCT257PWR datasheet from Texas Instruments to verify the ratings, package details, operating limits, and ordering information that apply to your design or sourcing decision.
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Pin and interface checks
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Qualification and documentation gaps
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SN74AHCT257PWR cross reference and alternatives
SN74AHCT257PWR replacement and cross-reference parts
Review mapped alternatives for SN74AHCT257PWR from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Pin-to-pin optiononsemiTSSOP-16
MC74VHCT257ADTR2G
SN74AHCT257PWR 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
FunctionalonsemiTSSOP-16
MC74LCX258DTR2G
SN74AHCT257PWR is a functional path for MC74LCX258DTR2G; output polarity, supply family, or pass-switch differences require review.
Replacement Type
Functional
Lifecycle status
5
key Attributes
-
Available Quantity
12,000
FunctionalonsemiTSSOP-16
MC74LCX258DTG
SN74AHCT257PWR is a functional path for MC74LCX258DTG; output polarity, supply family, or pass-switch differences require review.
Replacement Type
Functional
Lifecycle status
5
key Attributes
-
Available Quantity
12,000
Logic - Signal Switches, Multiplexers, Decoders
Recommended Products
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MC74LCX258DTR2G
128 purchased
TSSOP-16
Obsolete
RoHS
Datasheet
MC74LCX258DTR2G is an onsemi low-voltage CMOS quad 2:1 multiplexer with 3-state inverting outputs in TSSOP-16.
Reference price
Needs inquiry
Common questions
Datasheet questions
What is SN74AHCT257PWR?
SN74AHCT257PWR 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.
How can I search inside the SN74AHCT257PWR datasheet PDF?
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Can I request a quote for SN74AHCT257PWR while reading the datasheet?
Yes. Use the Request Quote action on this page to submit your email, quantity, and target price for SN74AHCT257PWR from Texas Instruments.
What package information is available for SN74AHCT257PWR?
This datasheet page lists SN74AHCT257PWR with package reference TSSOP-16. Engineers should use the PDF to verify footprint, pin layout, and mechanical details before design or replacement decisions.
Which specifications should I check first in the SN74AHCT257PWR datasheet?
Start with the sections covering key ratings, electrical limits, interface behavior, and the attribute group beginning with Lifecycle / Sourcing. Those areas usually confirm whether SN74AHCT257PWR fits the intended design constraints.
Can I download the SN74AHCT257PWR datasheet PDF from this page?
Yes. This page provides a direct download for the SN74AHCT257PWR manufacturer datasheet PDF from Texas Instruments, while keeping the HTML datasheet page available for search and review.