Open Hardware Cross Reference

MC74LCX257DTR2G

onsemi public PCN index lists PD27554X, Product Discontinuance of Logic Products, issued 2026-07-21, including MC74LCX257DTR2G. SN74LVC257APWR is the first replacement review candidate selected from the replacement research batch.

Open MC74LCX257DTR2G on TrustCompo View MC74LCX257DTR2G datasheet

Status
eol

Vendor
ON Semiconductor

Package
TSSOP-16

Category
Logic - Signal Switches, Multiplexers, Decoders

Target product summary

MC74LCX257DTR2G

MC74LCX257DTR2G is part of the onsemi MC74LCX257 low-voltage CMOS quad 2:1 multiplexer family. onsemi PCN PD27554X lists this orderable logic product in a 2026 Product Discontinuance notice, so buyers should treat it as an EOL sustainment item and qualify replacement paths such as TI SN74LVC257APWR, Nexperia 74LVC257APW,118, or same-family 74LCX257MTCX where lifecycle scope permits.

Series: MC74LCX257 | Datasheet landing page: https://www.trustcompo.com/product/detail/TCE000101430-MC74LCX257DTR2G/datasheet

Replacement candidates

74LCX257MTCX

P2P · Fit score 95

onsemi 74LCX257MTCX is a same-family quad 2:1 multiplexer candidate in TSSOP-16.

Package: TSSOP-16 | Series: 74LCX257

Manufacturer: onsemi; Part Number: 74LCX257MTCX; Series: 74LCX257; Function: Quad 2:1 multiplexer/data selector

74LVC257APW,118

P2P · Fit score 95

Nexperia 74LVC257APW,118 is an active LVC quad 2-input multiplexer with 3-state outputs in TSSOP-16.

Package: TSSOP-16 | Series: 74LVC257A

Manufacturer: Nexperia; Part Number: 74LVC257APW,118; Series: 74LVC257A; Function: Quad 2-input multiplexer

SN74LVC257APWR

P2P · Fit score 95

TI SN74LVC257APWR is an active LVC quad 2:1 multiplexer with 3-state non-inverting outputs in TSSOP-16.

Package: TSSOP-16 | Series: SN74LVC257A

Manufacturer: Texas Instruments; Part Number: SN74LVC257APWR; Series: SN74LVC257A; Function: Quad 2:1 multiplexer/data selector

SN74HCT257DR

Functional · Fit score 75

TI SN74HCT257DR is a 5 V HCT quad 2:1 multiplexer with 3-state outputs in SOIC-16.

Package: SOIC-16 | Series: SN74HCT257

Manufacturer: Texas Instruments; Part Number: SN74HCT257DR; Series: SN74HCT257; Function: Quad 2:1 multiplexer/data selector

SN74LVC257ADBR

Functional · Fit score 75

TI SN74LVC257ADBR is an LVC quad 2:1 multiplexer in SSOP-16 for functional redesign paths.

Package: SSOP-16 | Series: SN74LVC257A

Manufacturer: Texas Instruments; Part Number: SN74LVC257ADBR; Series: SN74LVC257A; Function: Quad 2:1 multiplexer/data selector

SN74LVC257AQPWRG4Q1

Functional · Fit score 75

TI SN74LVC257AQPWRG4Q1 is an automotive-qualified LVC257 TSSOP-16 replacement path.

Package: TSSOP-16 | Series: SN74LVC257A-Q1

Manufacturer: Texas Instruments; Part Number: SN74LVC257AQPWRG4Q1; Series: SN74LVC257A-Q1; Function: Automotive quad 2:1 multiplexer

SN74CBTLV3257PWR

Similar · Fit score 55

TI SN74CBTLV3257PWR is a low-voltage FET multiplexer/bus-switch style redesign candidate.

Package: TSSOP-16 | Series: SN74CBTLV3257

Manufacturer: Texas Instruments; Part Number: SN74CBTLV3257PWR; Series: SN74CBTLV3257; Function: 4-bit 1-of-2 FET multiplexer/bus switch

SN74LVC258APWR

Similar · Fit score 55

TI SN74LVC258APWR is an active LVC quad 2:1 inverting multiplexer with 3-state outputs in TSSOP-16.

Package: TSSOP-16 | Series: SN74LVC258A

Manufacturer: Texas Instruments; Part Number: SN74LVC258APWR; Series: SN74LVC258A; Function: Quad 2:1 multiplexer/data selector

Parameter comparison

Attribute	MC74LCX257DTR2G	74LCX257MTCX	74LVC257APW,118	SN74LVC257APWR	SN74HCT257DR	SN74LVC257ADBR	SN74LVC257AQPWRG4Q1	SN74CBTLV3257PWR	SN74LVC258APWR
Manufacturer	onsemi	onsemi	Nexperia	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Part Number	MC74LCX257DTR2G	74LCX257MTCX	74LVC257APW,118	SN74LVC257APWR	SN74HCT257DR	SN74LVC257ADBR	SN74LVC257AQPWRG4Q1	SN74CBTLV3257PWR	SN74LVC258APWR
Series	MC74LCX257	74LCX257	74LVC257A	SN74LVC257A	SN74HCT257	SN74LVC257A	SN74LVC257A-Q1	SN74CBTLV3257	SN74LVC258A
Function	Quad 2:1 multiplexer/data selector	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 multiplexer/data selector	Automotive quad 2:1 multiplexer	4-bit 1-of-2 FET multiplexer/bus switch	Quad 2:1 multiplexer/data selector
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	Pass switch	3-state, inverting
Package / Case	TSSOP-16	TSSOP-16	TSSOP-16	TSSOP-16	SOIC-16	SSOP-16	TSSOP-16	TSSOP-16	TSSOP-16
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Lifecycle Status	Product Discontinuance notice PD27554X	-	-	-	-	-	-	-	-

Engineer review boundary

This page is designed for first-pass shortlist work. Treat the candidates below as engineering starting points, then verify footprint compatibility, electrical limits, lifecycle timing, compliance requirements, and qualification scope before approving a BOM change. For official sample requests, full data verification, and legal warranty support, please consult through TrustCompo Inquiry Channel.

Evidence summary

onsemi PD27554X Product Discontinuance notice (manufacturer-pcn)
onsemi PD27554X Product Discontinuance of Logic Products, public PCN index entry issued 2026-07-21. Signals: product-discontinuance, PD27554X.
MC74LCX257DTR2G datasheet (catalog-datasheet)
Target datasheet used as the first-pass electrical and package reference. Signals: datasheet, target-part.
MC74LCX257DTR2G lifecycle note (catalog-lifecycle)
onsemi public PCN index lists PD27554X, Product Discontinuance of Logic Products, issued 2026-07-21, including MC74LCX257DTR2G. SN74LVC257APWR is the first replacement review candidate selected from the replacement research batch. Signals: eol, product-discontinuance.
74LCX257MTCX datasheet (alternative-datasheet)
74LCX257MTCX is a P2P-review candidate for MC74LCX257DTR2G; confirm pinout, package, logic thresholds, timing, and lifecycle scope before production approval. Signals: p2p.
74LVC257APW,118 datasheet (alternative-datasheet)
74LVC257APW,118 is a P2P-review candidate for MC74LCX257DTR2G; confirm pinout, package, logic thresholds, timing, and lifecycle scope before production approval. Signals: p2p.
SN74LVC257APWR datasheet (alternative-datasheet)
SN74LVC257APWR is a P2P-review candidate for MC74LCX257DTR2G; confirm pinout, package, logic thresholds, timing, and lifecycle scope before production approval. Signals: p2p.
SN74HCT257DR datasheet (alternative-datasheet)
SN74HCT257DR is a functional replacement path for MC74LCX257DTR2G; package, rail, qualification, or threshold differences require engineering review. Signals: functional.

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