SN74LS181NAlternatives & Equivalent Parts
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.
Specification Comparison
| Parameter | SN74LS181NSource | SN74LS181N3 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 24 | 24 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C |
| Price | $2.6900 | — |
| Electrical Parameters | ||
| Pbfree Code | Yes | No |
| YTEOL | 0 | 0 |
| Additional Feature | CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD | CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD |
| Family | LS | LS |
| JESD-30 Code | R-PDIP-T24 | R-PDIP-T24 |
| JESD-609 Code | e4 | — |
| Load Capacitance (CL) | 15 pF | 15 pF |
| Logic IC Type | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT |
| Number of Bits | 4 | 4 |
| Number of Functions | 1 | 1 |
| Output Polarity | TRUE | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP24,.6 | DIP24,.6 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE |
| Packing Method | TUBE | — |
| Power Supply Current-Max (ICC) | 37 mA | 220 mA |
| Propagation Delay (tpd) | 62 ns | 62 ns |
| Qualification Status | Not 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 Mount | NO | NO |
| Technology | TTL | TTL |
| Temperature Grade | COMMERCIAL | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL |
| ## SN74LS181N Alternates Showing results | Image | — |
| 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.
Quick Links
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.
Request Alternatives for SN74LS181NFAQ
What is equivalent to SN74LS181N?
Known equivalents for SN74LS181N include 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.