Open Hardware Cross Reference

MC74LCX258DTG

onsemi public PCN index lists PD27554X, Product Discontinuance of Logic Products, issued 2026-07-21, including MC74LCX258DTG. SN74LVC258APWR is the first replacement review candidate selected from the replacement research batch.

Open MC74LCX258DTG on TrustCompo View MC74LCX258DTG datasheet

Status
eol

Vendor
ON Semiconductor

Package
TSSOP-16

Category
Logic - Signal Switches, Multiplexers, Decoders

Target product summary

MC74LCX258DTG

MC74LCX258DTG is part of the onsemi MC74LCX258 low-voltage CMOS quad 2:1 inverting multiplexer family. onsemi PCN PD27554X lists this orderable product in a 2026 Product Discontinuance notice. Replacement review should prioritize SN74LVC258APWR for inverting-output TSSOP designs, while non-inverting 257-family devices require logic polarity review.

Series: MC74LCX258 | Datasheet landing page: https://www.trustcompo.com/product/detail/TCE000101431-MC74LCX258DTG/datasheet

Replacement candidates

SN74LVC258ADR

P2P · Fit score 95

TI SN74LVC258ADR is an LVC258 inverting multiplexer in SOIC-16.

Package: SOIC-16 | Series: SN74LVC258A

Manufacturer: Texas Instruments; Part Number: SN74LVC258ADR; Series: SN74LVC258A; Function: Quad 2:1 multiplexer/data selector

SN74LVC258APWR

P2P · Fit score 95

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

SN74LVC258APWRG4

P2P · Fit score 95

TI SN74LVC258APWRG4 is a suffix variant of the LVC258 TSSOP-16 inverting mux.

Package: TSSOP-16 | Series: SN74LVC258A

Manufacturer: Texas Instruments; Part Number: SN74LVC258APWRG4; Series: SN74LVC258A; Function: Quad 2:1 multiplexer/data selector

SN74AHCT257PWR

Functional · Fit score 75

TI SN74AHCT257PWR is a 5 V AHCT quad 2-input data selector/multiplexer in TSSOP-16.

Package: TSSOP-16 | Series: SN74AHCT257

Manufacturer: Texas Instruments; Part Number: SN74AHCT257PWR; Series: SN74AHCT257; Function: Quad 2-input multiplexer

SN74CBTLV3257PWR

Functional · Fit score 75

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

SN74LVC257APWR

Functional · Fit score 75

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

74HC257PW,118

Similar · Fit score 55

Nexperia 74HC257PW,118 is an HC quad 2-input multiplexer with 3-state outputs.

Package: TSSOP-16 | Series: 74HC257

Manufacturer: Nexperia; Part Number: 74HC257PW,118; Series: 74HC257; Function: Quad 2-input multiplexer

SN74LVC157APWR

Similar · Fit score 55

TI SN74LVC157APWR is a quad 2:1 data selector family used as a similar redesign candidate.

Package: TSSOP-16 | Series: SN74LVC157A

Manufacturer: Texas Instruments; Part Number: SN74LVC157APWR; Series: SN74LVC157A; Function: Quad 2:1 data selector/multiplexer

Parameter comparison

Attribute	MC74LCX258DTG	SN74LVC258ADR	SN74LVC258APWR	SN74LVC258APWRG4	SN74AHCT257PWR	SN74CBTLV3257PWR	SN74LVC257APWR	74HC257PW,118	SN74LVC157APWR
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Nexperia	Texas Instruments
Part Number	MC74LCX258DTG	SN74LVC258ADR	SN74LVC258APWR	SN74LVC258APWRG4	SN74AHCT257PWR	SN74CBTLV3257PWR	SN74LVC257APWR	74HC257PW,118	SN74LVC157APWR
Series	MC74LCX258	SN74LVC258A	SN74LVC258A	SN74LVC258A	SN74AHCT257	SN74CBTLV3257	SN74LVC257A	74HC257	SN74LVC157A
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-input multiplexer	4-bit 1-of-2 FET multiplexer/bus switch	Quad 2:1 multiplexer/data selector	Quad 2-input multiplexer	Quad 2:1 data selector/multiplexer
Output Type	3-state, inverting	3-state, inverting	3-state, inverting	3-state, inverting	3-state, non-inverting	Pass switch	3-state, non-inverting	3-state, non-inverting	Non-inverting
Package / Case	TSSOP-16	SOIC-16	TSSOP-16	TSSOP-16	TSSOP-16	TSSOP-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.
MC74LCX258DTG datasheet (catalog-datasheet)
Target datasheet used as the first-pass electrical and package reference. Signals: datasheet, target-part.
MC74LCX258DTG lifecycle note (catalog-lifecycle)
onsemi public PCN index lists PD27554X, Product Discontinuance of Logic Products, issued 2026-07-21, including MC74LCX258DTG. SN74LVC258APWR is the first replacement review candidate selected from the replacement research batch. Signals: eol, product-discontinuance.
SN74LVC258ADR datasheet (alternative-datasheet)
SN74LVC258ADR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix. Signals: p2p.
SN74LVC258APWR datasheet (alternative-datasheet)
SN74LVC258APWR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix. Signals: p2p.
SN74LVC258APWRG4 datasheet (alternative-datasheet)
SN74LVC258APWRG4 is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix. Signals: p2p.
SN74AHCT257PWR datasheet (alternative-datasheet)
SN74AHCT257PWR is a functional path for MC74LCX258DTG; output polarity, supply family, or pass-switch differences require review. Signals: functional.

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