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Alternative part analysis

MC74LCX258DTR2G Obsolete replacements and cross reference

Compare mapped pin-to-pin replacement options for MC74LCX258DTR2G, review cross-reference notes, and verify the engineering fit before approval.

Compare MC74LCX258DTR2G vs SN74LVC258APWR and review the mapped replacement relationship here.

Compare MC74LCX258DTR2G against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
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MC74LCX258DTR2G cross reference and alternatives

MC74LCX258DTR2G vs SN74LVC258APWR: replacement comparison

Start with the best mapped replacement options for MC74LCX258DTR2G, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.

P2P

MC74LCX258DTR2G vs SN74LVC258APWR

Texas Instruments

SN74LVC258APWR is an LVC258 replacement candidate for MC74LCX258DTR2G; validate package variant, pinout, inverting-output behavior, and procurement suffix.

SN74LVC258APWR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74LVC258A
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74LVC258A
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs 1.1 V to 3.6 V
  • Part Number: MC74LCX258DTR2G vs SN74LVC258APWR

Must verify

  • Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.

Other replacement comparisons for MC74LCX258DTR2G

P2P

MC74LCX258DTR2G vs SN74LVC258ADR

Texas Instruments

SN74LVC258ADR is an LVC258 replacement candidate for MC74LCX258DTR2G; validate package variant, pinout, inverting-output behavior, and procurement suffix.

SN74LVC258ADR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
SOIC-16
Series
SN74LVC258A
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount
  • Output Type: 3-state, inverting

Differences

  • Package: TSSOP-16 vs SOIC-16
  • Series: MC74LCX258 vs SN74LVC258A
  • Manufacturer: onsemi vs Texas Instruments
  • Package / Case: TSSOP-16 vs SOIC-16

Must verify

  • Confirm package dimensions, footprint, and mounting details.
  • Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
P2P

MC74LCX258DTR2G vs SN74LVC258APWRG4

Texas Instruments

SN74LVC258APWRG4 is an LVC258 replacement candidate for MC74LCX258DTR2G; validate package variant, pinout, inverting-output behavior, and procurement suffix.

SN74LVC258APWRG4 is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74LVC258A
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74LVC258A
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs 1.1 V to 3.6 V
  • Part Number: MC74LCX258DTR2G vs SN74LVC258APWRG4

Must verify

  • Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
Functional

MC74LCX258DTR2G vs SN74LVC257APWR

Texas Instruments

SN74LVC257APWR is a functional path for MC74LCX258DTR2G; output polarity, supply family, or pass-switch differences require review.

SN74LVC257APWR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74LVC257A
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74LVC257A
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs 1.65 V to 3.6 V
  • Output Type: 3-state, inverting vs 3-state, non-inverting

Must verify

  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
Functional

MC74LCX258DTR2G vs SN74AHCT257PWR

Texas Instruments

SN74AHCT257PWR is a functional path for MC74LCX258DTR2G; output polarity, supply family, or pass-switch differences require review.

SN74AHCT257PWR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74AHCT257
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74AHCT257
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs 4.5 V to 5.5 V
  • Output Type: 3-state, inverting vs 3-state, non-inverting

Must verify

  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
Functional

MC74LCX258DTR2G vs SN74CBTLV3257PWR

Texas Instruments

SN74CBTLV3257PWR is a functional path for MC74LCX258DTR2G; output polarity, supply family, or pass-switch differences require review.

SN74CBTLV3257PWR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74CBTLV3257
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74CBTLV3257
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs Low-voltage bus-switch class
  • Output Type: 3-state, inverting vs Pass switch

Must verify

  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
Similar

MC74LCX258DTR2G vs SN74LVC157APWR

Texas Instruments

SN74LVC157APWR is a similar redesign candidate for MC74LCX258DTR2G; confirm output-enable behavior, voltage family, and timing before use.

SN74LVC157APWR is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74LVC157A
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs SN74LVC157A
  • Manufacturer: onsemi vs Texas Instruments
  • Supply Voltage: 2.3 V to 3.6 V class vs 1.65 V to 3.6 V
  • Output Type: 3-state, inverting vs Non-inverting

Must verify

  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.
Similar

MC74LCX258DTR2G vs 74HC257PW,118

Nexperia

74HC257PW,118 is a similar redesign candidate for MC74LCX258DTR2G; confirm output-enable behavior, voltage family, and timing before use.

74HC257PW,118 is mapped as a possible replacement for MC74LCX258DTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Nexperia
Package
TSSOP-16
Series
74HC257
Category
Integrated Circuits (ICs)
Stock
20,000
Available
12,000
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: TSSOP-16
  • Category: Integrated Circuits (ICs)
  • Subcategory: Logic - Signal Switches, Multiplexers, Decoders
  • Mounting Type: Surface Mount

Differences

  • Series: MC74LCX258 vs 74HC257
  • Manufacturer: onsemi vs Nexperia
  • Supply Voltage: 2.3 V to 3.6 V class vs 2 V to 6 V
  • Output Type: 3-state, inverting vs 3-state, non-inverting

Must verify

  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.

Specification view

Parameter Comparison Chart

A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.

Swipe or scroll horizontally to compare more part numbers

The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.

Parameter Comparison Chart
Current partObsolete
P2P
SN74LVC258APWR

Texas Instruments

P2P
SN74LVC258ADR

Texas Instruments

P2P
SN74LVC258APWRG4

Texas Instruments

Functional
SN74LVC257APWR

Texas Instruments

Functional
SN74AHCT257PWR

Texas Instruments

Functional
SN74CBTLV3257PWR

Texas Instruments

Similar
SN74LVC157APWR

Texas Instruments

Similar
Part NumberMC74LCX258DTR2GSN74LVC258APWRSN74LVC258ADRSN74LVC258APWRG4SN74LVC257APWRSN74AHCT257PWRSN74CBTLV3257PWRSN74LVC157APWR74HC257PW,118
ManufactureronsemiTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsNexperia
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-16SOIC-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16
SeriesMC74LCX258SN74LVC258ASN74LVC258ASN74LVC258ASN74LVC257ASN74AHCT257SN74CBTLV3257SN74LVC157A74HC257
Key Attributes---------
DescriptionMC74LCX258DTR2G is an onsemi low-voltage CMOS quad 2:1 multiplexer with 3-state inverting outputs in TSSOP-16.TI SN74LVC258APWR is an active LVC quad 2:1 inverting multiplexer with 3-state outputs in TSSOP-16.TI SN74LVC258ADR is an LVC258 inverting multiplexer in SOIC-16.TI SN74LVC258APWRG4 is a suffix variant of the LVC258 TSSOP-16 inverting mux.TI SN74LVC257APWR is an active LVC quad 2:1 multiplexer with 3-state non-inverting outputs in TSSOP-16.TI SN74AHCT257PWR is a 5 V AHCT quad 2-input data selector/multiplexer in TSSOP-16.TI SN74CBTLV3257PWR is a low-voltage FET multiplexer/bus-switch style redesign candidate.TI SN74LVC157APWR is a quad 2:1 data selector family used as a similar redesign candidate.Nexperia 74HC257PW,118 is an HC quad 2-input multiplexer with 3-state outputs.
LifecycleObsolete--------
Stock20,00020,00020,00020,00020,00020,00020,00020,00020,000
Available12,00012,00012,00012,00012,00012,00012,00012,00012,000
Min Order111111111
DatasheetAvailableAvailableAvailableAvailableAvailableAvailableAvailableAvailableAvailable
Mounting TypeSurface MountSurface MountSurface MountSurface MountSurface MountSurface MountSurface MountSurface MountSurface Mount
ManufactureronsemiTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsNexperia
Package / CaseTSSOP-16TSSOP-16SOIC-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16TSSOP-16
Supply Voltage2.3 V to 3.6 V class1.1 V to 3.6 V1.1 V to 3.6 V1.1 V to 3.6 V1.65 V to 3.6 V4.5 V to 5.5 VLow-voltage bus-switch class1.65 V to 3.6 V2 V to 6 V
Lifecycle StatusProduct Discontinuance notice PD27554X--------
SeriesMC74LCX258SN74LVC258ASN74LVC258ASN74LVC258ASN74LVC257ASN74AHCT257SN74CBTLV3257SN74LVC157A74HC257
Output Type3-state, inverting3-state, inverting3-state, inverting3-state, inverting3-state, non-inverting3-state, non-invertingPass switchNon-inverting3-state, non-inverting
Publication Contextonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research waveonsemi PD27554X replacement research wave
Validation RequiredConfirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.
FunctionQuad 2:1 multiplexer/data selectorQuad 2:1 multiplexer/data selectorQuad 2:1 multiplexer/data selectorQuad 2:1 multiplexer/data selectorQuad 2:1 multiplexer/data selectorQuad 2-input multiplexer4-bit 1-of-2 FET multiplexer/bus switchQuad 2:1 data selector/multiplexerQuad 2-input multiplexer
Part NumberMC74LCX258DTR2GSN74LVC258APWRSN74LVC258ADRSN74LVC258APWRG4SN74LVC257APWRSN74AHCT257PWRSN74CBTLV3257PWRSN74LVC157APWR74HC257PW,118
Actions

Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing MC74LCX258DTR2G replacement and equivalent-part options.

What is a cross-reference page for MC74LCX258DTR2G?

This page groups mapped replacement options for MC74LCX258DTR2G so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.

Does a mapped alternative mean a guaranteed drop-in replacement for MC74LCX258DTR2G?

Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.

Which parameters should teams compare first for MC74LCX258DTR2G alternatives?

Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.

Can I request a quote for an alternative to MC74LCX258DTR2G?

Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.

Is MC74LCX258DTR2G obsolete, and what replacement should buyers review first?

Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is SN74LVC258APWR, followed by the other alternatives shown in the comparison table.

Is SN74LVC258APWR a replacement for MC74LCX258DTR2G?

SN74LVC258APWR is mapped as a P2P option for MC74LCX258DTR2G, not as an automatically approved drop-in replacement. Compare package, pinout, electrical limits, lifecycle, and qualification requirements before release.

Engineering support

Need help validating the replacement path?

If your team is unsure whether a mapped alternative to MC74LCX258DTR2G from onsemi is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.

Contact a hardware engineer

Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.

Package and pin compatibility

Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.

Parameter and function gaps

Surface the electrical, interface, or application-fit questions that still need confirmation before approval.

Qualification and approval prep

Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.