MC74VHCT257ADTR2G cross reference and alternatives
MC74VHCT257ADTR2G vs SN74AHCT257PWR: replacement comparison
Start with the best mapped replacement options for MC74VHCT257ADTR2G, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.
SN74AHCT257PWR is a 5 V TTL-input mux P2P-review candidate for MC74VHCT257ADTR2G; validate pinout, speed, and output drive.
SN74AHCT257PWR is mapped as a possible replacement for MC74VHCT257ADTR2G. 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: MC74VHCT257A vs SN74AHCT257
•Function: Quad 2:1 multiplexer/data selector vs Quad 2-input multiplexer
•Part Number: MC74VHCT257ADTR2G vs SN74AHCT257PWR
•Manufacturer: onsemi vs Texas Instruments
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 MC74VHCT257ADTR2G
SN74AHCT257QPWRQ1 is a 5 V TTL-input mux P2P-review candidate for MC74VHCT257ADTR2G; validate pinout, speed, and output drive.
SN74AHCT257QPWRQ1 is mapped as a possible replacement for MC74VHCT257ADTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Texas Instruments
Package
TSSOP-16
Series
SN74AHCT257-Q1
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: MC74VHCT257A vs SN74AHCT257-Q1
•Function: Quad 2:1 multiplexer/data selector vs Automotive quad 2-input multiplexer
•Part Number: MC74VHCT257ADTR2G vs SN74AHCT257QPWRQ1
•Manufacturer: onsemi vs Texas Instruments
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.
74HCT257PW,118 is a 5 V TTL-input mux P2P-review candidate for MC74VHCT257ADTR2G; validate pinout, speed, and output drive.
74HCT257PW,118 is mapped as a possible replacement for MC74VHCT257ADTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Nexperia
Package
TSSOP-16
Series
74HCT257
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: MC74VHCT257A vs 74HCT257
•Function: Quad 2:1 multiplexer/data selector vs Quad 2-input multiplexer
•Part Number: MC74VHCT257ADTR2G vs 74HCT257PW,118
•Manufacturer: onsemi vs Nexperia
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.
SN74HCT257DR is a functional replacement path for MC74VHCT257ADTR2G; package, input-threshold, or supply-family differences require review.
SN74HCT257DR is mapped as a possible replacement for MC74VHCT257ADTR2G. Verify package, lifecycle, stock, datasheet, and key attributes before approval.
Manufacturer
Texas Instruments
Package
SOIC-16
Series
SN74HCT257
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
✓Function: Quad 2:1 multiplexer/data selector
✓Mounting Type: Surface Mount
Differences
•Package: TSSOP-16 vs SOIC-16
•Series: MC74VHCT257A vs SN74HCT257
•Part Number: MC74VHCT257ADTR2G vs SN74HCT257DR
•Manufacturer: onsemi vs Texas Instruments
Must verify
→Confirm package dimensions, footprint, and mounting details.
→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 functional replacement path for MC74VHCT257ADTR2G; package, input-threshold, or supply-family differences require review.
74HC257PW,118 is mapped as a possible replacement for MC74VHCT257ADTR2G. 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: MC74VHCT257A vs 74HC257
•Function: Quad 2:1 multiplexer/data selector vs Quad 2-input multiplexer
•Part Number: MC74VHCT257ADTR2G vs 74HC257PW,118
•Manufacturer: onsemi vs Nexperia
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.
SN74LVC257APWR is a functional replacement path for MC74VHCT257ADTR2G; package, input-threshold, or supply-family differences require review.
SN74LVC257APWR is mapped as a possible replacement for MC74VHCT257ADTR2G. 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
✓Function: Quad 2:1 multiplexer/data selector
Differences
•Series: MC74VHCT257A vs SN74LVC257A
•Part Number: MC74VHCT257ADTR2G vs SN74LVC257APWR
•Manufacturer: onsemi vs Texas Instruments
•Supply Voltage: 5 V class vs 1.65 V to 3.6 V
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.
SN74LVC258APWR is a similar redesign candidate for MC74VHCT257ADTR2G; validate output polarity or output-enable behavior.
SN74LVC258APWR is mapped as a possible replacement for MC74VHCT257ADTR2G. 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
✓Function: Quad 2:1 multiplexer/data selector
Differences
•Series: MC74VHCT257A vs SN74LVC258A
•Part Number: MC74VHCT257ADTR2G vs SN74LVC258APWR
•Manufacturer: onsemi vs Texas Instruments
•Output Type: 3-state, non-inverting vs 3-state, 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.
SN74LVC157APWR is a similar redesign candidate for MC74VHCT257ADTR2G; validate output polarity or output-enable behavior.
SN74LVC157APWR is mapped as a possible replacement for MC74VHCT257ADTR2G. 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: MC74VHCT257A vs SN74LVC157A
•Function: Quad 2:1 multiplexer/data selector vs Quad 2:1 data selector/multiplexer
•Part Number: MC74VHCT257ADTR2G vs SN74LVC157APWR
•Manufacturer: onsemi vs Texas Instruments
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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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
MC74VHCT257ADTR2G 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.
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
Function
Quad 2:1 multiplexer/data selector
Quad 2-input multiplexer
Automotive quad 2-input multiplexer
Quad 2-input multiplexer
Quad 2:1 multiplexer/data selector
Quad 2-input multiplexer
Quad 2:1 multiplexer/data selector
Quad 2:1 multiplexer/data selector
Quad 2:1 data selector/multiplexer
Part Number
MC74VHCT257ADTR2G
SN74AHCT257PWR
SN74AHCT257QPWRQ1
74HCT257PW,118
SN74HCT257DR
74HC257PW,118
SN74LVC257APWR
SN74LVC258APWR
SN74LVC157APWR
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
Nexperia
Texas Instruments
Nexperia
Texas Instruments
Texas Instruments
Texas Instruments
Package / Case
TSSOP-16
TSSOP-16
TSSOP-16
TSSOP-16
SOIC-16
TSSOP-16
TSSOP-16
TSSOP-16
TSSOP-16
Output Type
3-state, non-inverting
3-state, non-inverting
3-state, non-inverting
3-state, non-inverting
3-state, non-inverting
3-state, non-inverting
3-state, non-inverting
3-state, inverting
Non-inverting
Lifecycle Status
Product Discontinuance notice PD27554X
-
-
-
-
-
-
-
-
Series
MC74VHCT257A
SN74AHCT257
SN74AHCT257-Q1
74HCT257
SN74HCT257
74HC257
SN74LVC257A
SN74LVC258A
SN74LVC157A
Supply Voltage
5 V class
4.5 V to 5.5 V
4.5 V to 5.5 V
4.5 V to 5.5 V
4.5 V to 5.5 V
2 V to 6 V
1.65 V to 3.6 V
1.1 V to 3.6 V
1.65 V to 3.6 V
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 MC74VHCT257ADTR2G replacement and equivalent-part options.
What is a cross-reference page for MC74VHCT257ADTR2G?
This page groups mapped replacement options for MC74VHCT257ADTR2G 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 MC74VHCT257ADTR2G?
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 MC74VHCT257ADTR2G 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 MC74VHCT257ADTR2G?
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 MC74VHCT257ADTR2G 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 SN74AHCT257PWR, followed by the other alternatives shown in the comparison table.
Is SN74AHCT257PWR a replacement for MC74VHCT257ADTR2G?
SN74AHCT257PWR is mapped as a P2P option for MC74VHCT257ADTR2G, 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 MC74VHCT257ADTR2G 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.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.
