SN74LS181NAlternatives & Equivalent Parts

SN74LS181N is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About SN74LS181N

SN74LS181N 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.

Need pricing on these alternatives?

Get one quote covering all 3 alternatives for SN74LS181N — response within 24 hours.

Specification Comparison

ParameterSN74LS181NSourceFSM2JSMAMSS1038-103NLBSN74LS181N3
ManufacturerTexas InstrumentsTE ConnectivityCOILCRAFTTexas Instruments
Package TypeDual-In-Line PackagesOtherInductors Precision MouldedDual-In-Line Packages
Pin Count244224
Temperature Range~ 70.0°C—-40.0°C ~ 85.0°C~ 70.0°C
Price$2.6900$0.0858$1.1400—
StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEOBSOLETEOBSOLETE
Electrical Parameters
Pbfree CodeYesYesYesNo
YTEOL0900
Additional FeatureCAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD——CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD
FamilyLS——LS
JESD-30 CodeR-PDIP-T24——R-PDIP-T24
JESD-609 Codee4—e3—
Load Capacitance (CL)15 pF——15 pF
Logic IC TypeARITHMETIC LOGIC UNIT——ARITHMETIC LOGIC UNIT
Number of Bits4——4
Number of Functions1—11
Output PolarityTRUE——TRUE
Package Body MaterialPLASTIC/EPOXY——PLASTIC/EPOXY
Package Equivalence CodeDIP24,.6——DIP24,.6
Package ShapeRECTANGULAR——RECTANGULAR
Package StyleIN-LINE—SMTIN-LINE
Packing MethodTUBE—TR—
Power Supply Current-Max (ICC)37 mA——220 mA
Propagation Delay (tpd)62 ns——62 ns
Qualification StatusNot Qualified——Not Qualified
Supply Voltage-Max (Vsup)5.25 V——5.25 V
Supply Voltage-Min (Vsup)4.75 V——4.75 V
Supply Voltage-Nom (Vsup)5 V——5 V
Surface MountNO—YESNO
TechnologyTTL——TTL
Temperature GradeCOMMERCIAL——COMMERCIAL
Terminal FinishNICKEL PALLADIUM GOLD—MATTE TIN OVER NICKEL—
Terminal FormTHROUGH-HOLE——THROUGH-HOLE
Terminal Pitch2.54 mm——2.54 mm
Terminal PositionDUAL——DUAL
## SN74LS181N Alternates Showing resultsImage———
Factory Lead Time—15 Weeks, 3 Days——
Switch Type—KEYPAD SWITCH——
Actuator Profile Extended—Cover Material Steel——
Product Orientation Vertical—Actuator Force 5.64 OZ——
Actuator Material Polyamide—Case Color Brown——
Support Bracket Without—Ganged With——
ESD Grounding Terminal Without—Operating Function NO——
Case/Size Code——4039—
Construction——Rectangular—
Core Material——FERRITE—
DC Resistance——0.035 Ω—
Inductance-Nom (L)——10 µH—
Inductor Application——POWER INDUCTOR—
Inductor Type——GENERAL PURPOSE INDUCTOR—
Package Height——3.8 mm—
Package Length——10.2 mm—
Package Width——10 mm—
Rated Current-Max——4.05 A—
Reference Standard——AEC-Q200—
Self Resonance Frequency——29 MHz—
Shape/Size Description——RECTANGULAR PACKAGE—
Shielded——YES—
Terminal Placement——DUAL ENDED—
Terminal Shape——WRAPAROUND—
Test Frequency——0.1 MHz—
Tolerance——30%—
Peak Reflow Temperature (Cel)———NOT SPECIFIED
Time@Peak Reflow Temperature-Max (s)———NOT SPECIFIED

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 SN74LS181N — response within 24 hours.

Quick Links

FSM2JSMA

suggested

SN74LS181N3by Texas Instruments

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

Why Look for Alternatives?

Finding alternatives for SN74LS181N 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 SN74LS181N 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.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for SN74LS181N. Get expert recommendations within 24 hours.

FAQ

What is equivalent to SN74LS181N?

Known equivalents for SN74LS181N include FSM2JSMA, MSS1038-103NLB, SN74LS181N3. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74LS181N?

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 SN74LS181N 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.