SN74LS373NAlternatives & Equivalent Parts
About SN74LS373N
SN74LS373N 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 | SN74LS373NSource | SN74LS273NSR | SN74LS04DR | SN74LS373NS | SN74LS373NSR |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 14 | 20 | 20 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | — | ~ 70.0°C |
| Price | — | $0.5555 | — | $0.2901 | $0.4699 |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | Yes |
| YTEOL | 15 | 15 | 15 | — | 15 |
| Control Type | ENABLE LOW | — | — | — | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL | — | — | — | UNIDIRECTIONAL |
| Family | LS | LS | LS | — | LS |
| JESD-30 Code | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G14 | — | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e4 | — | e4 |
| Load Capacitance (CL) | 45 pF | 15 pF | 15 pF | — | 45 pF |
| Logic IC Type | BUS DRIVER | D FLIP-FLOP | INVERTER | — | BUS DRIVER |
| Max I(ol) | 0.024 A | 0.008 A | 0.008 A | — | 0.024 A |
| Number of Bits | 8 | 8 | — | — | 8 |
| Number of Functions | 8 | 8 | 6 | — | 8 |
| Number of Ports | 2 | — | — | — | 2 |
| Output Characteristics | 3-STATE | — | — | — | 3-STATE |
| Output Polarity | TRUE | TRUE | — | — | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | SOP20,.3 | SOP14,.25 | — | SOP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE |
| Packing Method | TUBE | TR | TR | — | TR, 13 INCH |
| Power Supply Current-Max (ICC) | 40 mA | 27 mA | 6.6 mA | — | 40 mA |
| Prop. Delay@Nom-Sup | 30 ns | 27 ns | 15 ns | — | 30 ns |
| Propagation Delay (tpd) | 30 ns | 27 ns | 15 ns | — | 30 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.25 V | 5.25 V | — | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 4.75 V | 4.75 V | — | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V |
| Surface Mount | NO | YES | YES | — | YES |
| Technology | TTL | TTL | TTL | — | TTL |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 2.54 mm | 1.27 mm | 1.27 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE | — | — | POSITIVE EDGE |
| ## SN74LS373N Alternates Showing results | Image | — | — | — | — |
| Max Frequency@Nom-Sup | — | 30000000 Hz | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | 30 |
| fmax-Min | — | 35 MHz | — | — | — |
| ## SN74LS273NSR Alternates Showing results | — | Image | — | — | — |
| Number of Inputs | — | — | 1 | — | — |
| Schmitt Trigger | — | — | NO | — | — |
| ## SN74LS04DR Alternates Showing results | — | — | Image | — | — |
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 SN74LS373N 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 SN74LS373N 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 SN74LS373N. Get expert recommendations within 24 hours.
Request Alternatives for SN74LS373NFAQ
What is equivalent to SN74LS373N?
Known equivalents for SN74LS373N include SN74LS273NSR, SN74LS04DR, SN74LS373NS. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS373N?
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 SN74LS373N 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.