SN74LS181N3Alternatives & Equivalent Parts

SN74LS181N3 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About SN74LS181N3

SN74LS181N3 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

ParameterSN74LS181N3SourceSN74LS181N
ManufacturerTexas InstrumentsTexas Instruments
Package TypeDual-In-Line PackagesDual-In-Line Packages
Pin Count2424
Temperature Range~ 70.0°C~ 70.0°C
Price$2.6900
StockIn StockIn Stock
LifecycleOBSOLETEOBSOLETE
Electrical Parameters
Pbfree CodeNoYes
YTEOL00
Additional FeatureCAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEADCAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD
FamilyLSLS
JESD-30 CodeR-PDIP-T24R-PDIP-T24
Load Capacitance (CL)15 pF15 pF
Logic IC TypeARITHMETIC LOGIC UNITARITHMETIC LOGIC UNIT
Number of Bits44
Number of Functions11
Output PolarityTRUETRUE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeDIP24,.6DIP24,.6
Package ShapeRECTANGULARRECTANGULAR
Package StyleIN-LINEIN-LINE
Peak Reflow Temperature (Cel)NOT SPECIFIED
Power Supply Current-Max (ICC)220 mA37 mA
Propagation Delay (tpd)62 ns62 ns
Qualification StatusNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)5.25 V5.25 V
Supply Voltage-Min (Vsup)4.75 V4.75 V
Supply Voltage-Nom (Vsup)5 V5 V
Surface MountNONO
TechnologyTTLTTL
Temperature GradeCOMMERCIALCOMMERCIAL
Terminal FormTHROUGH-HOLETHROUGH-HOLE
Terminal Pitch2.54 mm2.54 mm
Terminal PositionDUALDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
JESD-609 Codee4
Packing MethodTUBE
Terminal FinishNICKEL PALLADIUM GOLD
## SN74LS181N Alternates Showing resultsImage

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

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Quick Links

SN74LS181Nby Texas Instruments

Arithmetic Logic Unit, LS Series, 4-Bit, True Output, TTL, PDIP24

Why Look for Alternatives?

Finding alternatives for SN74LS181N3 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 SN74LS181N3 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 SN74LS181N3?

Known equivalents for SN74LS181N3 include SN74LS181N. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74LS181N3?

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 SN74LS181N3 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.