SN74279N3Alternatives & Equivalent Parts

SN74279N3 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About SN74279N3

SN74279N3 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line 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

ParameterSN74279N3SourceCD74HC238E74HC86NMCP6541T-I/OTAD637KDZSN74279N
ManufacturerTexas InstrumentsTexas InstrumentsNexperiaMicrochipAnalog DevicesTexas Instruments
Package TypeDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesSOT23 (5-Pin)Ceramic Dual-In-Line PackagesDual-In-Line Packages
Pin Count16161451416
Temperature Range~ 70.0°C-55.0°C ~ 125.0°C—-40.0°C ~ 85.0°C~ 70.0°C~ 70.0°C
Price—$0.1665$1.5000$0.3000$97.6400$1.5000
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVE—ACTIVEACTIVEOBSOLETE
Electrical Parameters
Pbfree CodeNoYes—YesNoNo
YTEOL015—9100
Additional FeatureWITH DUAL S INPUT FOR TWO FUNCTIONS————WITH DUAL S INPUT FOR TWO FUNCTIONS
FamilyTTL/H/LHC/UH———TTL/H/L
JESD-30 CodeR-PDIP-T16R-PDIP-T16—R-PDSO-G5R-CDIP-T14R-PDIP-T16
Load Capacitance (CL)15 pF50 pF———15 pF
Logic IC TypeR-S LATCH3-LINE TO 8-LINE DECODER———R-S LATCH
Max I(ol)0.016 A0.004 A———0.016 A
Number of Bits28———2
Number of Functions41—114
Output PolarityTRUETRUE———TRUE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYCERAMIC, METAL-SEALED COFIREDPLASTIC/EPOXY
Package Equivalence CodeDIP16,.3DIP16,.3—TSOP5/6,.11,37DIP14,.3DIP16,.3
Package ShapeRECTANGULARRECTANGULAR—RECTANGULARRECTANGULARRECTANGULAR
Package StyleIN-LINEIN-LINE—SMALL OUTLINE, LOW PROFILE, SHRINK PITCHIN-LINEIN-LINE
Peak Reflow Temperature (Cel)NOT SPECIFIED——260—NOT SPECIFIED
Power Supply Current-Max (ICC)30 mA0.16 mA———30 mA
Prop. Delay@Nom-Sup27 ns30 ns———27 ns
Propagation Delay (tpd)27 ns225 ns———27 ns
Qualification StatusNot QualifiedNot Qualified—Not QualifiedNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)5.25 V6 V———5.25 V
Supply Voltage-Min (Vsup)4.75 V2 V———4.75 V
Supply Voltage-Nom (Vsup)5 V5 V—5 V—5 V
Surface MountNONO—YESNONO
TechnologyTTLCMOS—CMOS—TTL
Temperature GradeCOMMERCIALMILITARY—INDUSTRIALCOMMERCIALCOMMERCIAL
Terminal FormTHROUGH-HOLETHROUGH-HOLE—GULL WINGTHROUGH-HOLETHROUGH-HOLE
Terminal Pitch2.54 mm2.54 mm—0.95 mm2.54 mm2.54 mm
Terminal PositionDUALDUAL—DUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED————NOT SPECIFIED
Trigger TypeLOW LEVEL————LOW LEVEL
## SN74279N3 Alternates Showing resultsImage—————
Input Conditioning—STANDARD————
JESD-609 Code—e4—e3e4—
Packing Method—TUBE—TR——
Terminal Finish—Nickel/Palladium/Gold (Ni/Pd/Au)—Matte Tin (Sn)Gold (Au)—
## CD74HC238E Alternates Showing results—Image————
Manufacturer Package Code———SOT-23-5D-14—
Factory Lead Time———6 Weeks——
Amplifier Type———COMPARATOR——
Average Bias Current-Max (IIB)———0.0001 µA——
Input Offset Voltage-Max———7000 µV——
Output Type———PUSH-PULL——
Response Time-Nom———4000 ns——
Supply Current-Max———0.001 mA3 mA—
Supply Voltage Limit-Max———7 V——
## MCP6541T-I/OT Alternates Showing results———Image——
Converter Type————RMS TO DC CONVERTER—
Linearity Error-Max (EL)————0.05%—
Negative Supply Voltage-Max————-18 V—
Negative Supply Voltage-Min————-3 V—
Negative Supply Voltage-Nom————-15 V—
Operating Frequency-Max————0.15 MHz—
Positive Input Voltage-Max————7 V—
Supply Voltage-Max————18 V—
Supply Voltage-Min————3 V—
Supply Voltage-Nom————15 V—
Total Error-Max————0.3%—

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

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Get one quote covering all 5 alternatives for SN74279N3 — response within 24 hours.

Quick Links

74HC86N

suggested

AD637KDZ

suggested

SN74279Nby Texas Instruments

R-S Latch, TTL/H/L Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

Why Look for Alternatives?

Finding alternatives for SN74279N3 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 SN74279N3 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 SN74279N3?

Known equivalents for SN74279N3 include CD74HC238E, 74HC86N, MCP6541T-I/OT. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74279N3?

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 SN74279N3 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.