SN74LS109ANAlternatives & Equivalent Parts
About SN74LS109AN
SN74LS109AN 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
| Parameter | SN74LS109ANSource | SN74LS109ANS | SN74LS109ANSR | SN74LS109ANE4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages |
| Pin Count | 16 | 16 | 16 | 16 |
| Temperature Range | ~ 70.0°C | — | ~ 70.0°C | ~ 70.0°C |
| Price | $0.8452 | $0.5337 | $0.7378 | $0.7688 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| YTEOL | 15 | — | 15 | 15 |
| Additional Feature | INVERTED K INPUT | — | INVERTED K INPUT | INVERTED K INPUT |
| Family | LS | — | LS | LS |
| JESD-30 Code | R-PDIP-T16 | — | R-PDSO-G16 | R-PDIP-T16 |
| JESD-609 Code | e4 | — | e4 | e4 |
| Load Capacitance (CL) | 15 pF | — | 15 pF | 15 pF |
| Logic IC Type | J-KBAR FLIP-FLOP | — | J-KBAR FLIP-FLOP | J-KBAR FLIP-FLOP |
| Max Frequency@Nom-Sup | 25000000 Hz | — | 25000000 Hz | 25000000 Hz |
| Max I(ol) | 0.008 A | — | 0.008 A | 0.008 A |
| Number of Bits | 2 | — | 2 | 2 |
| Number of Functions | 2 | — | 2 | 2 |
| Output Polarity | COMPLEMENTARY | — | COMPLEMENTARY | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | — | SOP16,.3 | DIP16,.3 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | — | SMALL OUTLINE | IN-LINE |
| Packing Method | TUBE | — | TR | TUBE |
| Power Supply Current-Max (ICC) | 15 mA | — | 15 mA | 15 mA |
| Prop. Delay@Nom-Sup | 35 ns | — | 35 ns | 35 ns |
| Propagation Delay (tpd) | 40 ns | — | 40 ns | 40 ns |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | — | NO | NO |
| Supply Voltage-Max (Vsup) | 5.25 V | — | 5.25 V | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | — | 4.75 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | 5 V |
| Surface Mount | NO | — | YES | NO |
| Technology | TTL | — | TTL | TTL |
| Temperature Grade | COMMERCIAL | — | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | — | GULL WING | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | — | 1.27 mm | 2.54 mm |
| Terminal Position | DUAL | — | DUAL | DUAL |
| Trigger Type | POSITIVE EDGE | — | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 30 MHz | — | 30 MHz | 30 MHz |
| Peak Reflow Temperature (Cel) | — | — | 260 | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — |
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 SN74LS109AN — response within 24 hours.
Quick Links
J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL
J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO16
J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDIP16
Why Look for Alternatives?
Finding alternatives for SN74LS109AN 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 SN74LS109AN 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 SN74LS109AN?
Known equivalents for SN74LS109AN include SN74LS109ANS, SN74LS109ANSR, SN74LS109ANE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS109AN?
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 SN74LS109AN 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.