SN74HCT257DRE4Alternatives & Equivalent Parts

SN74HCT257DRE4 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About SN74HCT257DRE4

SN74HCT257DRE4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterSN74HCT257DRE4SourceSN74HCT157DRE4SN74HCT157DRG4SN74HCT157DE4SN74HCT257DSN74HCT157DRSN74HCT157DTSN74HCT157D
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline Packages—Small Outline PackagesSmall Outline PackagesOther
Pin Count16161616—161616
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C—-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$0.1747$0.1503$0.1503—$0.1375$0.1252$0.5510$0.1375
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEOBSOLETEOBSOLETEOBSOLETE—ACTIVEOBSOLETEOBSOLETE
Electrical Parameters
YTEOL0000—1500
FamilyHCTHCTHCTHCT—HCTHCTHCT
JESD-30 CodeR-PDSO-G16R-PDSO-G16R-PDSO-G16R-PDSO-G16—R-PDSO-G16R-PDSO-G16R-PDSO-G16
JESD-609 Codee4e4e4e4—e4e4e4
Load Capacitance (CL)50 pF150 pF50 pF150 pF—150 pF50 pF150 pF
Logic IC TypeMULTIPLEXERMULTIPLEXERMULTIPLEXERMULTIPLEXER—MULTIPLEXERMULTIPLEXERMULTIPLEXER
Max I(ol)0.0052 A0.0052 A0.0052 A0.0052 A—0.0052 A0.0052 A0.0052 A
Number of Bits2222—222
Number of Functions4444—444
Number of Inputs2222—222
Number of Outputs1111—111
Output Characteristics3-STATE———————
Output PolarityTRUETRUETRUETRUE—TRUETRUETRUE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP16,.25SOP16,.25SOP16,.25SOP16,.25—SOP16,.25SOP16,.25SOP16,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR—RECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE—SMALL OUTLINESMALL OUTLINESMALL OUTLINE
Packing MethodTRTRTRTUBE—TRTRTUBE
Peak Reflow Temperature (Cel)260260260260—260260260
Power Supply Current-Max (ICC)0.08 mA0.08 mA0.08 mA0.08 mA—0.08 mA0.08 mA0.08 mA
Prop. Delay@Nom-Sup38 ns40 ns40 ns40 ns—40 ns40 ns40 ns
Propagation Delay (tpd)48 ns52 ns52 ns52 ns—52 ns52 ns52 ns
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot Qualified—Not QualifiedNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)5.5 V5.5 V5.5 V5.5 V—5.5 V5.5 V5.5 V
Supply Voltage-Min (Vsup)4.5 V4.5 V4.5 V4.5 V—4.5 V4.5 V4.5 V
Supply Voltage-Nom (Vsup)5 V5 V5 V5 V—5 V5 V5 V
Surface MountYESYESYESYES—YESYESYES
TechnologyCMOSCMOSCMOSCMOS—CMOSCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL—INDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishNICKEL PALLADIUM GOLDNICKEL PALLADIUM GOLDNICKEL PALLADIUM GOLDNickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING—GULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm—1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUAL—DUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)303030NOT SPECIFIED—30NOT SPECIFIEDNOT SPECIFIED
Pbfree Code—YesYesYes—Yes——
Reach Compliance Code———————Compliant

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Quick Links

SN74HCT157DRE4by Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT157DRG4by Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT157DE4by Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT257Dby Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT157DRby Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT157DTby Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

SN74HCT157Dby Texas Instruments

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SOIC -40 to 85

Why Look for Alternatives?

Finding alternatives for SN74HCT257DRE4 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating SN74HCT257DRE4 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to SN74HCT257DRE4?

Known equivalents for SN74HCT257DRE4 include SN74HCT157DRE4, SN74HCT157DRG4, SN74HCT157DE4. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74HCT257DRE4?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify SN74HCT257DRE4 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.