MC74LCX258DTG vs SN74LVC258APWR: replacement comparison
Start with the best mapped replacement options for MC74LCX258DTG, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.
SN74LVC258APWR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
SN74LVC258APWR is mapped as a possible replacement for MC74LCX258DTG. 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: MC74LCX258DTG 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.
SN74LVC258ADR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
SN74LVC258ADR is mapped as a possible replacement for MC74LCX258DTG. 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.
SN74LVC258APWRG4 is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
SN74LVC258APWRG4 is mapped as a possible replacement for MC74LCX258DTG. 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: MC74LCX258DTG 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.
SN74CBTLV3257PWR is a functional path for MC74LCX258DTG; output polarity, supply family, or pass-switch differences require review.
SN74CBTLV3257PWR is mapped as a possible replacement for MC74LCX258DTG. 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.
74HC257PW,118 is a similar redesign candidate for MC74LCX258DTG; confirm output-enable behavior, voltage family, and timing before use.
74HC257PW,118 is mapped as a possible replacement for MC74LCX258DTG. 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.
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MC74LCX258DTG 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.
Lifecycle
Obsolete
-
-
-
-
-
-
-
-
Stock
20,000
20,000
20,000
20,000
20,000
20,000
20,000
20,000
20,000
Available
12,000
12,000
12,000
12,000
12,000
12,000
12,000
12,000
12,000
Min Order
1
1
1
1
1
1
1
1
1
Datasheet
Available
Available
Available
Available
Available
Available
Available
Available
Available
Mounting Type
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Manufacturer
onsemi
Texas Instruments
Texas Instruments
Texas Instruments
Texas Instruments
Texas Instruments
Texas Instruments
Texas Instruments
Nexperia
Package / Case
TSSOP-16
TSSOP-16
SOIC-16
TSSOP-16
TSSOP-16
TSSOP-16
TSSOP-16
TSSOP-16
TSSOP-16
Supply Voltage
2.3 V to 3.6 V class
1.1 V to 3.6 V
1.1 V to 3.6 V
1.1 V to 3.6 V
1.65 V to 3.6 V
4.5 V to 5.5 V
Low-voltage bus-switch class
1.65 V to 3.6 V
2 V to 6 V
Lifecycle Status
Product Discontinuance notice PD27554X
-
-
-
-
-
-
-
-
Series
MC74LCX258
SN74LVC258A
SN74LVC258A
SN74LVC258A
SN74LVC257A
SN74AHCT257
SN74CBTLV3257
SN74LVC157A
74HC257
Output Type
3-state, inverting
3-state, inverting
3-state, inverting
3-state, inverting
3-state, non-inverting
3-state, non-inverting
Pass switch
Non-inverting
3-state, non-inverting
Function
Quad 2:1 multiplexer/data selector
Quad 2:1 multiplexer/data selector
Quad 2:1 multiplexer/data selector
Quad 2:1 multiplexer/data selector
Quad 2:1 multiplexer/data selector
Quad 2-input multiplexer
4-bit 1-of-2 FET multiplexer/bus switch
Quad 2:1 data selector/multiplexer
Quad 2-input multiplexer
Part Number
MC74LCX258DTG
SN74LVC258APWR
SN74LVC258ADR
SN74LVC258APWRG4
SN74LVC257APWR
SN74AHCT257PWR
SN74CBTLV3257PWR
SN74LVC157APWR
74HC257PW,118
Publication Context
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
onsemi PD27554X replacement research wave
Validation Required
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.
Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.
Actions
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing MC74LCX258DTG replacement and equivalent-part options.
What is a cross-reference page for MC74LCX258DTG?
This page groups mapped replacement options for MC74LCX258DTG 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 MC74LCX258DTG?
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 MC74LCX258DTG 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 MC74LCX258DTG?
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 MC74LCX258DTG 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 MC74LCX258DTG?
SN74LVC258APWR is mapped as a P2P option for MC74LCX258DTG, 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 MC74LCX258DTG 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.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.
