SN74HC273NAlternatives & Equivalent Parts
About SN74HC273N
SN74HC273N 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 | SN74HC273NSource | SN7425N | SN74HC273NS | SN74HC273NE4 | SN74HC273DW | SN74HC273DWR | SN74HC273DWE4 | SN74HC273DWG4 | SN74HC273DWRE4 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 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 | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 14 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3450 | $0.9750 | $0.2300 | $0.3880 | $0.3103 | $0.1820 | — | — | $0.4152 |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | — | — | Yes | — | Yes | — | — | Yes |
| YTEOL | 15 | 15 | — | 15 | 0 | 15 | 0 | 0 | 15 |
| Additional Feature | DUMMY VAL | STROBED O/P'S | — | DUMMY VAL | DUMMY VAL | DUMMY VAL | DUMMY VAL | DUMMY VAL | DUMMY VAL |
| Family | HC/UH | TTL/H/L | — | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH |
| JESD-30 Code | R-PDIP-T20 | R-PDIP-T14 | — | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | — | e4 | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 15 pF | — | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| Logic IC Type | D FLIP-FLOP | NOR GATE | — | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 21000000 Hz | — | — | 21000000 Hz | 21000000 Hz | 21000000 Hz | 21000000 Hz | 21000000 Hz | 21000000 Hz |
| Max I(ol) | 0.0052 A | 0.016 A | — | 0.0052 A | 0.0052 A | 0.0052 A | 0.004 A | 0.004 A | 0.0052 A |
| Number of Bits | 8 | — | — | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of Functions | 8 | 2 | — | 8 | 8 | 8 | 1 | 1 | 8 |
| Output Polarity | TRUE | — | — | TRUE | TRUE | TRUE | TRUE | TRUE | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | DIP14,.3 | — | DIP20,.3 | SOP20,.4 | SOP20,.4 | SOP20,.4 | SOP20,.4 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | — | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | — | TUBE | TUBE | TR | TUBE | TUBE | TR |
| Power Supply Current-Max (ICC) | 0.08 mA | 19 mA | — | 0.08 mA | 0.08 mA | 0.08 mA | — | — | 0.08 mA |
| Prop. Delay@Nom-Sup | 200 ns | 22 ns | — | 200 ns | 200 ns | 200 ns | 40 ns | 40 ns | 200 ns |
| Propagation Delay (tpd) | 200 ns | 22 ns | — | 200 ns | 200 ns | 200 ns | 200 ns | 200 ns | 200 ns |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 6 V | 5.25 V | — | 6 V | 6 V | 6 V | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 4.75 V | — | 2 V | 2 V | 2 V | 2 V | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | — | NO | YES | YES | YES | YES | YES |
| Technology | CMOS | TTL | — | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| 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) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Trigger Type | POSITIVE EDGE | — | — | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 28 MHz | — | — | 28 MHz | 28 MHz | 28 MHz | 25 MHz | 25 MHz | 28 MHz |
| Number of Inputs | — | 4 | — | — | — | — | — | — | — |
| Schmitt Trigger | — | NO | — | — | — | — | — | — | — |
| ## SN7425N Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | — | 260 | 260 | 260 | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | NOT SPECIFIED | 30 | 30 | 30 | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDIP20
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HC/UH Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HC/UH Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74HC273N 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 SN74HC273N 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 SN74HC273N?
Known equivalents for SN74HC273N include SN7425N, SN74HC273NS, SN74HC273NE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC273N?
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 SN74HC273N 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.