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MC74VHCT257ADTR2G Logic - Signal Switches, Multiplexers, Decoders by onsemi

MC74VHCT257ADTR2G is a Logic - Signal Switches, Multiplexers, Decoders from onsemi in TSSOP-16 packaging. It is commonly reviewed for MC74VHCT257ADTR2G is an onsemi VHCT quad 2:1 multiplexer with non-inverting 3-state outputs in TSSOP-16. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.

Obsolete
Datasheet

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MC74VHCT257ADTR2G Logic - Signal Switches, Multiplexers, Decoders by onsemi | TrustCompo
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Key specifications

Part Number

MC74VHCT257ADTR2G

Internal code

TCE000101439

Package

TSSOP-16

Manufacturer
onsemi

Key specifications

Series

MC74VHCT257A

Min Quantity

1

Description

MC74VHCT257ADTR2G is an onsemi VHCT quad 2:1 multiplexer with non-inverting 3-state outputs in TSSOP-16.

key Attributes

-

Trust signals

Quality and trust signals

Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.

4 certifications
  • ISO 9001

    Quality management processes for more consistent sourcing and handling.

  • AS9120B

    Aerospace-focused distribution controls for traceability and reliability.

  • ISO 14001

    Environmental management discipline across warehouse and operating workflows.

  • ESD Control

    Electrostatic handling standards to help protect sensitive components.

RFQ checklist

Order process

Confirm the core buying details for MC74VHCT257ADTR2G before RFQ, PO release, and shipment planning.

  1. 1

    Confirm MPN

    Use the exact part number, manufacturer, package, and approval constraints in the RFQ.

  2. 2

    Check stock and price

    Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.

  3. 3

    Align documents

    Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.

  4. 4

    Arrange shipment

    Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.

Before PO release

Part confirmation

  • Exact MPN confirmed: MC74VHCT257ADTR2G
  • Package to verify: TSSOP-16

Commercial confirmation

  • Live stock and lead time confirmed by RFQ
  • Final price and tax terms confirmed before PO release

Fulfillment & documents

  • Ship-from location: Hong Kong warehouse
  • Shipping method: DHL, FedEx, UPS, or buyer forwarder account

Product overview

Product overview

Review the sourcing context for MC74VHCT257ADTR2G from onsemi, including product identity, application fit, package notes, and purchasing considerations.

MC74VHCT257ADTR2G is a high-speed 5 V CMOS / TTL-input quad 2:1 multiplexer. onsemi PCN PD27554X lists it in a 2026 Product Discontinuance notice. AHCT/HCT alternatives such as SN74AHCT257PWR, SN74AHCT257QPWRQ1, and 74HCT257PW,118 should be reviewed first where the design depends on TTL-compatible inputs.

Technical parameters

Parameters

Compare grouped MC74VHCT257ADTR2G parameters from onsemi, including package, series, key attributes, and technical values used for engineering and sourcing review.

  • Product Parameter

    Function

    Quad 2:1 multiplexer/data selector

  • Product Parameter

    Part Number

    MC74VHCT257ADTR2G

  • Lifecycle / Sourcing

    Publication Context

    onsemi PD27554X replacement research wave

  • Lifecycle / Sourcing

    Validation Required

    Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.

  • Product Attribute

    Mounting Type

    Surface Mount

  • Product Attribute

    Manufacturer

    onsemi

MC74VHCT257ADTR2G Product Parameter
ParameterValue
Function

Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements.

Quad 2:1 multiplexer/data selector
Part Number

Manufacturer-assigned identifier for the component. Use it to locate datasheets, verify specifications, and ensure compatibility with your design. Always cross-check the part number against the manufacturer's official documentation to avoid counterfeit or obsolete parts.

MC74VHCT257ADTR2G
MC74VHCT257ADTR2G Lifecycle / Sourcing
ParameterValue
Publication Context

Indicates the environment or document type where the component's specifications are presented, such as datasheet, catalog, or press release. Helps engineers verify the source and relevance of the data. Always cross-check with the official datasheet for critical parameters.

onsemi PD27554X replacement research wave
Validation Required

Indicates whether the product listing must undergo additional verification before it can be ordered. Buyers should check this flag to ensure the component data is confirmed by the supplier or manufacturer. If set, review the datasheet and confirm specifications with the seller before purchasing.

Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.
MC74VHCT257ADTR2G Product Attribute
ParameterValue
Mounting Type

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Surface Mount
Manufacturer

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

onsemi
Package / Case

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

TSSOP-16
Output Type

Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches.

3-state, non-inverting
Lifecycle Status

Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.

Product Discontinuance notice PD27554X
Series

Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.

MC74VHCT257A
Supply Voltage

Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.

5 V class

Datasheet preview

Datasheet PDF viewer

Preview the MC74VHCT257ADTR2G datasheet from onsemi to check package, electrical characteristics, application notes, and document evidence before RFQ.

onsemi

MC74VHCT257ADTR2G

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Notice documents

PCN / product notice documents

1 documents
PCN / product notice documents
NoticeVendorTimelineSummary
  • PCN
  • Primary notice
  • PD27554X

onsemi PD27554X Product Discontinuance of Logic Products

onsemi
  • Published: Jul 21, 2026
  • Effective: Jul 21, 2026
onsemi PD27554X Product Discontinuance of Logic Products, public PCN index entry issued 2026-07-21.

Replacement path

Replacement path and cross-reference options

MC74VHCT257ADTR2G from onsemi is now obsolete. Use the recommended products and related category path below to review alternate parts, compare ongoing availability, and move quickly into a controlled sourcing or replacement discussion.

MC74VHCT257ADTR2G Parameter comparison
Parameter comparison
Current partObsolete
MC74VHCT257ADTR2G

onsemi

Pin-to-pin option
SN74AHCT257PWR

Texas Instruments

Pin-to-pin option
SN74AHCT257QPWRQ1

Texas Instruments

Pin-to-pin option
74HCT257PW,118

Nexperia

Functional
SN74HCT257DR

Texas Instruments

Functional
74HC257PW,118

Nexperia

Functional
SN74LVC257APWR

Texas Instruments

Similar
SN74LVC258APWR

Texas Instruments

Similar
SN74LVC157APWR

Texas Instruments

Part NumberMC74VHCT257ADTR2GSN74AHCT257PWRSN74AHCT257QPWRQ174HCT257PW,118SN74HCT257DR74HC257PW,118SN74LVC257APWRSN74LVC258APWRSN74LVC157APWR
ManufactureronsemiTexas InstrumentsTexas InstrumentsNexperiaTexas InstrumentsNexperiaTexas InstrumentsTexas InstrumentsTexas Instruments
CategoryIntegrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)
SubcategoryLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, DecodersLogic - Signal Switches, Multiplexers, Decoders
PackageTSSOP-16TSSOP-16TSSOP-16TSSOP-16SOIC-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16
SeriesMC74VHCT257ASN74AHCT257SN74AHCT257-Q174HCT257SN74HCT25774HC257SN74LVC257ASN74LVC258ASN74LVC157A
Key Attributes---------
DescriptionMC74VHCT257ADTR2G is an onsemi VHCT quad 2:1 multiplexer with non-inverting 3-state outputs in TSSOP-16.TI SN74AHCT257PWR is a 5 V AHCT quad 2-input data selector/multiplexer in TSSOP-16.TI SN74AHCT257QPWRQ1 is an automotive-qualified AHCT257 TSSOP-16 multiplexer.Nexperia 74HCT257PW,118 is an HCT quad 2-input multiplexer with 3-state outputs in TSSOP-16.TI SN74HCT257DR is a 5 V HCT quad 2:1 multiplexer with 3-state outputs in SOIC-16.Nexperia 74HC257PW,118 is an HC quad 2-input multiplexer with 3-state outputs.TI SN74LVC257APWR is an active LVC quad 2:1 multiplexer with 3-state non-inverting outputs in TSSOP-16.TI SN74LVC258APWR is an active LVC quad 2:1 inverting multiplexer with 3-state outputs in TSSOP-16.TI SN74LVC157APWR is a quad 2:1 data selector family used as a similar redesign candidate.
LifecycleObsoleteActiveActiveActiveActiveActiveActiveActiveActive
Stock20,00020,00020,00020,00020,00020,00020,00020,00020,000
Available12,00012,00012,00012,00012,00012,00012,00012,00012,000
Min Order111111111
DatasheetAvailableAvailableAvailableAvailableAvailableAvailableAvailableAvailableAvailable
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Common questions

Product FAQ

Targeted answers for buyers verifying the exact MC74VHCT257ADTR2G ordering code, packaging, stock, datasheet, and replacement path.

What does MC74VHCT257ADTR2G mean?

MC74VHCT257ADTR2G is the exact ordering code listed for a Logic - Signal Switches, Multiplexers, Decoders component from onsemi. The current package reference is TSSOP-16, with listed context including MC74VHCT257ADTR2G is an onsemi VHCT quad 2:1 multiplexer with non-inverting 3-state outputs in TSSOP-16.. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.

How should buyers verify the MC74VHCT257ADTR2G ordering code?

Treat MC74VHCT257ADTR2G as the full ordering code during RFQ and engineering review. Confirm the listed TSSOP-16 package, manufacturer documentation from onsemi, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.

What package is MC74VHCT257ADTR2G supplied in?

MC74VHCT257ADTR2G is currently listed with package reference TSSOP-16 from onsemi. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.

Is MC74VHCT257ADTR2G currently available?

MC74VHCT257ADTR2G is currently marked with stock availability on this page. Before ordering, confirm the package (TSSOP-16), listed stock (20000), available quantity (12000), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.

Where can I compare MC74VHCT257ADTR2G alternatives?

Use the MC74VHCT257ADTR2G cross-reference page to compare mapped alternatives, replacement type, package, lifecycle, stock, and pin-to-pin replacement notes before RFQ or engineering approval.

What does the Obsolete lifecycle status mean for MC74VHCT257ADTR2G?

MC74VHCT257ADTR2G is marked obsolete by onsemi, which usually means buyers should not plan around normal ongoing supply. Review the notice documents, remaining market options, and alternate-part strategy before relying on this device. This page currently lists 1 related notice documents when available.