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MC74LCX258DTG Logic - Signal Switches, Multiplexers, Decoders by onsemi
MC74LCX258DTG is a Logic - Signal Switches, Multiplexers, Decoders model from onsemi, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / Logic - Signal Switches, Multiplexers, Decoders product path. Known package information currently points to TSSOP-16 under the onsemi brand listing. MC74LCX258DTG is an onsemi low-voltage CMOS quad 2:1 multiplexer with 3-state inverting outputs in TSSOP-16. TrustCompo combines the available model, brand, hierarchy, and specification details around MC74LCX258DTG so buyers can move faster from review to quotation.
MC74LCX258DTG is currently obsolete from onsemi. Teams should confirm any remaining market availability, notice details, and alternate-part strategy before relying on this device.
Obsolete
RoHS
Datasheet
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Documentation support
Pre-shipment inspection review
Key specifications
Series
MC74LCX258
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
Logic - Signal Switches, Multiplexers, DecodersDescription
MC74LCX258DTG is an onsemi low-voltage CMOS quad 2:1 multiplexer with 3-state inverting outputs in TSSOP-16.
key Attributes
-
Datasheet
View MC74LCX258DTG DatasheetTechnical document
Open The Official Datasheet
Review the latest datasheet for MC74LCX258DTG from onsemi in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Lifecycle buying advice
MC74LCX258DTG by onsemi should be treated as a risk-controlled procurement item. Confirm traceability, inspection scope, and alternate-part strategy before relying on supply.
Trust signals
Globally recognized certifications
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ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
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How to order this product
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1
Confirm part and quantity
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2
Send RFQ or sample request
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3
Align delivery, payment, and documentation
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Review quality controlsStructured product content
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Product overview
Overview
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.
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Popular Specs Surfaced First
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Manufacturer
onsemi
Product Attribute
Package / Case
TSSOP-16
Product Attribute
Supply Voltage
2.3 V to 3.6 V class
Product Attribute
Lifecycle Status
Product Discontinuance notice PD27554X
Product Attribute
Series
MC74LCX258
Mounting Type
Surface Mount
Manufacturer
onsemi
Package / Case
TSSOP-16
Supply Voltage
2.3 V to 3.6 V class
Lifecycle Status
Product Discontinuance notice PD27554X
Series
MC74LCX258
Output Type
3-state, inverting
Function
Quad 2:1 multiplexer/data selector
Part Number
MC74LCX258DTG
Publication Context
onsemi PD27554X replacement research wave
Validation Required
Confirm datasheet pinout, package land pattern, logic thresholds, timing, and lifecycle status before production substitution.
Notice documents
Product Notice Documents
PCNPrimary noticePD27554X
onsemi PD27554X Product Discontinuance of Logic Products
onsemi
Published: Jul 21, 2026Effective: Jul 21, 2026
onsemi PD27554X Product Discontinuance of Logic Products, public PCN index entry issued 2026-07-21.
Replacement path
MC74LCX258DTG replacement path and cross-reference options
MC74LCX258DTG from onsemi is now obsolete. Use the recommended products and related category path below to review alternate parts, compare ongoing availability, and move quickly into a controlled sourcing or replacement discussion.
Pin-to-pin optionTexas InstrumentsTSSOP-16
SN74LVC258APWR
SN74LVC258APWR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
Replacement Type
Pin-to-pin option
Lifecycle status
Active
key Attributes
-
Available Quantity
12,000
Sourcing Signal
Review mapped alternatives for MC74LCX258DTG from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Pin-to-pin optionTexas InstrumentsSOIC-16
SN74LVC258ADR
SN74LVC258ADR is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
Replacement Type
Pin-to-pin option
Lifecycle status
Active
key Attributes
-
Available Quantity
12,000
Sourcing Signal
Review mapped alternatives for MC74LCX258DTG from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Pin-to-pin optionTexas InstrumentsTSSOP-16
SN74LVC258APWRG4
SN74LVC258APWRG4 is an LVC258 replacement candidate for MC74LCX258DTG; validate package variant, pinout, inverting-output behavior, and procurement suffix.
Replacement Type
Pin-to-pin option
Lifecycle status
Active
key Attributes
-
Available Quantity
12,000
Sourcing Signal
Review mapped alternatives for MC74LCX258DTG from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
FunctionalTexas InstrumentsTSSOP-16
SN74LVC257APWR
SN74LVC257APWR is a functional path for MC74LCX258DTG; output polarity, supply family, or pass-switch differences require review.
Replacement Type
Functional
Lifecycle status
Active
key Attributes
-
Available Quantity
12,000
Sourcing Signal
Review mapped alternatives for MC74LCX258DTG from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Common questions
Product FAQ
Quick answers for buyers reviewing MC74LCX258DTG, stock, documentation, and sourcing steps.
What is MC74LCX258DTG?
MC74LCX258DTG is a Logic - Signal Switches, Multiplexers, Decoders component from onsemi. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for MC74LCX258DTG?
MC74LCX258DTG is listed with package reference TSSOP-16. The current product description is MC74LCX258DTG is an onsemi low-voltage CMOS quad 2:1 multiplexer with 3-state inverting outputs in TSSOP-16., and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is MC74LCX258DTG available in stock?
This page currently shows 20000 units in stock and 12000 units available for MC74LCX258DTG. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for MC74LCX258DTG?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for MC74LCX258DTG by onsemi. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for MC74LCX258DTG?
Yes. This page links to the datasheet for MC74LCX258DTG by onsemi, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify MC74LCX258DTG before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for MC74LCX258DTG before approving the order.
What does the Obsolete lifecycle status mean for MC74LCX258DTG?
MC74LCX258DTG is marked obsolete by onsemi, which usually means buyers should not plan around normal ongoing supply. Review the notice documents, remaining market options, and alternate-part strategy before relying on this device. This page currently lists 1 related notice documents when available.
Logic - Signal Switches, Multiplexers, Decoders
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