SN74HC109NAlternatives & Equivalent Parts
About SN74HC109N
SN74HC109N 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 | SN74HC109NSource | CD74HC109E | SN74HC109NS | SN74HC109D | SN74HC109NE4 | SN74HC109DR |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 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 | SOIC-16 |
| Pin Count | 16 | 16 | 16 | — | 16 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3319 | — | — | $0.4308 | $0.5000 | $0.0931 |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | — | — | Yes | — |
| YTEOL | 15 | 15 | — | — | 15 | — |
| Additional Feature | DUMMY VAL | — | — | — | DUMMY VAL | — |
| Family | HC/UH | HC/UH | — | — | HC/UH | — |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | — | — | R-PDIP-T16 | — |
| JESD-609 Code | e4 | e4 | — | — | e4 | — |
| Load Capacitance (CL) | 50 pF | 50 pF | — | — | 50 pF | — |
| Logic IC Type | J-KBAR FLIP-FLOP | J-KBAR FLIP-FLOP | — | — | J-KBAR FLIP-FLOP | — |
| Max Frequency@Nom-Sup | 25000000 Hz | 20000000 Hz | — | — | 25000000 Hz | — |
| Max I(ol) | 0.004 A | 0.006 A | — | — | 0.004 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 | DIP16,.3 | — | — | DIP16,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | — | — | RECTANGULAR | — |
| Package Style | IN-LINE | IN-LINE | — | — | IN-LINE | — |
| Packing Method | TUBE | TUBE | — | — | TUBE | — |
| Power Supply Current-Max (ICC) | 0.04 mA | 0.04 mA | — | — | 0.04 mA | — |
| Prop. Delay@Nom-Sup | 58 ns | 53 ns | — | — | 58 ns | — |
| Propagation Delay (tpd) | 220 ns | 265 ns | — | — | 220 ns | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | — |
| Schmitt Trigger | NO | NO | — | — | NO | — |
| Supply Voltage-Max (Vsup) | 6 V | 6 V | — | — | 6 V | — |
| Supply Voltage-Min (Vsup) | 2 V | 2 V | — | — | 2 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | 4.5 V | — | — | 5 V | — |
| Surface Mount | NO | NO | — | — | NO | — |
| Technology | CMOS | CMOS | — | — | CMOS | — |
| Temperature Grade | INDUSTRIAL | MILITARY | — | — | INDUSTRIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | — | THROUGH-HOLE | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | — | 2.54 mm | — |
| Terminal Position | DUAL | DUAL | — | — | DUAL | — |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE | — | — | POSITIVE EDGE | — |
| fmax-Min | 24 MHz | 24 MHz | — | — | 24 MHz | — |
| Number of Flip-Flops | — | — | — | — | — | 2 |
| Type | — | — | — | — | — | J-K, positive-edge |
| Max Clock Frequency | — | — | — | — | — | 39 MHz |
| Supply Voltage | — | — | — | — | — | 2-6 V |
| Propagation Delay | — | — | — | — | — | 18 ns |
| Quiescent Current | — | — | — | — | — | 20 µA |
| Preset/Clear | — | — | — | — | — | Asynchronous, active-low |
| Logic Family | — | — | — | — | — | HC |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, CMOS, PDIP16
SN74HC109 Dual J-K Positive-Edge-Triggered Flip-Flops With Clear and Preset
J-Kbar Flip-Flop, HC Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, CMOS, PDSO16
J-Kbar Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, CMOS, PDIP16
J-Kbar Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, CMOS, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74HC109N 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 SN74HC109N 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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What is equivalent to SN74HC109N?
Known equivalents for SN74HC109N include CD74HC109E, SN74HC109NS, SN74HC109D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC109N?
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 SN74HC109N 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.