SN74HC21NSRAlternatives & Equivalent Parts

About SN74HC21NSR

SN74HC21NSR 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

ParameterSN74HC21NSRSourceCRCW12064K70JNEAIFSN74HC21DRSN74HC21D
ManufacturerTexas InstrumentsVishayTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesResistor ChipSmall Outline PackagesSmall Outline Packages
Pin Count1421414
Temperature Range-40.0°C ~ 85.0°C-55.0°C ~ 155.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$0.2651$0.0933$0.0882$0.3731
StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEOBSOLETE
Electrical Parameters
Pbfree CodeYesYesYes—
YTEOL1512150
FamilyHC/UH—HC/UHHC/UH
JESD-30 CodeR-PDSO-G14—R-PDSO-G14R-PDSO-G14
JESD-609 Codee4e3e4e4
Load Capacitance (CL)50 pF—50 pF50 pF
Logic IC TypeAND GATE—AND GATEAND GATE
Max I(ol)0.0052 A—0.0052 A0.0052 A
Number of Functions2—22
Number of Inputs4—44
Package Body MaterialPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP14,.3—SOP14,.25SOP14,.25
Package ShapeRECTANGULAR—RECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMTSMALL OUTLINESMALL OUTLINE
Packing MethodTRTR, PAPER, 7 INCHTRTUBE
Peak Reflow Temperature (Cel)260—260260
Power Supply Current-Max (ICC)0.02 mA—0.02 mA0.02 mA
Prop. Delay@Nom-Sup28 ns—28 ns28 ns
Propagation Delay (tpd)140 ns—140 ns140 ns
Qualification StatusNot Qualified—Not QualifiedNot Qualified
Schmitt TriggerNO—NONO
Supply Voltage-Max (Vsup)6 V—6 V6 V
Supply Voltage-Min (Vsup)2 V—2 V2 V
Supply Voltage-Nom (Vsup)5 V—5 V5 V
Surface MountYESYESYESYES
TechnologyCMOSMETAL GLAZE/THICK FILMCMOSCMOS
Temperature GradeINDUSTRIAL—INDUSTRIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)MATTE TIN OVER NICKELNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING—GULL WINGGULL WING
Terminal Pitch1.27 mm—1.27 mm1.27 mm
Terminal PositionDUAL—DUALDUAL
Time@Peak Reflow Temperature-Max (s)30—3030
## SN74HC21NSR Alternates Showing resultsImage———
Reach Compliance Code—Compliant——
Factory Lead Time—12 Weeks——
Additional Feature—RATED AC VOLTAGE (V): 200——
Construction—Rectangular——
Mounting Feature—SURFACE MOUNT——
Package Height—0.55 mm——
Package Length—3.2 mm——
Package Width—1.6 mm——
Rated Power Dissipation (P)—0.25 W——
Rated Temperature—70 °C——
Reference Standard—AEC-Q200——
Resistance—4700 Ω——
Resistor Type—FIXED RESISTOR——
Size Code—1206——
Temperature Coefficient—200 ppm/°C——
Terminal Shape—WRAPAROUND——
Tolerance—5%——
Working Voltage—200 V——
## SN74HC21D Alternates Showing results———Image

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

Need pricing on these alternatives?

Get one quote covering all 3 alternatives for SN74HC21NSR — response within 24 hours.

Quick Links

SN74HC21DRby Texas Instruments

AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14

SN74HC21Dby Texas Instruments

AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14

Why Look for Alternatives?

Finding alternatives for SN74HC21NSR 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 SN74HC21NSR 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 SN74HC21NSR?

Known equivalents for SN74HC21NSR include CRCW12064K70JNEAIF, SN74HC21DR, SN74HC21D. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74HC21NSR?

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 SN74HC21NSR 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.