SN74HCT273DWRAlternatives & Equivalent Parts
About SN74HCT273DWR
SN74HCT273DWR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline 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 | SN74HCT273DWRSource | SN74HCT273DWRG4 | SN74HCT273DWG4 | DS75176BM/NOPB | M27C256B-70XF1 | M93C66-RMN3TP/K | SN74AHCT573PWRG4 | SN74HCT08D | SN74HCT273DW | SN74HCT273DWRE4 | SN74HCT273DWE4 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | SOIC-14 | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 20 | 8 | 28 | 8 | 20 | 14 | 20 | 20 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°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 | $0.3540 | $0.2760 | $0.5698 | $4.2714 | $2.8215 | $0.3201 | $0.1469 | $0.0608 | $0.2220 | — | $0.5698 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||||||||||
| Pbfree Code | Yes | Yes | — | — | — | — | Yes | — | — | — | — |
| YTEOL | 15 | 15 | 0 | 0 | 0 | 15 | 15 | — | 0 | 0 | 0 |
| Family | HCT | HCT | HCT | — | — | — | AHCT/VHCT/VT | — | HCT | HCT | HCT |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G8 | R-CDIP-T28 | R-PDSO-G8 | R-PDSO-G20 | — | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e4 | e3 | e3 | e4 | e4 | — | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF | — | — | — | 50 pF | — | 50 pF | 50 pF | 50 pF |
| Logic IC Type | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP | — | — | — | BUS DRIVER | — | D FLIP-FLOP | D FLIP-FLOP | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 20000000 Hz | 20000000 Hz | 20000000 Hz | — | — | — | — | — | 20000000 Hz | 20000000 Hz | 20000000 Hz |
| Max I(ol) | 0.004 A | 0.004 A | 0.004 A | — | — | — | 0.008 A | — | 0.004 A | 0.004 A | 0.004 A |
| Number of Bits | 8 | 8 | 8 | — | — | — | 8 | — | 8 | 8 | 8 |
| Number of Functions | 8 | 8 | 1 | 1 | 1 | 1 | 8 | — | 8 | 1 | 1 |
| Output Polarity | TRUE | TRUE | TRUE | — | — | — | TRUE | — | TRUE | TRUE | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC, METAL-SEALED COFIRED | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 | SOP20,.4 | SOP8,.25 | DIP28,.6 | — | TSSOP20,.25 | — | SOP20,.4 | SOP20,.4 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | IN-LINE, WINDOW | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR | TUBE | — | — | — | TR, 13 INCH | — | TUBE | TR | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — | 260 | 260 | — | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 0.08 mA | 0.08 mA | 0.08 mA | — | — | — | 0.04 mA | — | 0.08 mA | — | 0.08 mA |
| Prop. Delay@Nom-Sup | 42 ns | 42 ns | 36 ns | — | — | — | 10.5 ns | — | 42 ns | 50 ns | 36 ns |
| Propagation Delay (tpd) | 42 ns | 42 ns | 42 ns | — | — | — | 10.5 ns | — | 42 ns | 42 ns | 42 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | — | 5.25 V | 5.5 V | 5.5 V | — | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | 4.5 V | — | 4.75 V | 1.8 V | 4.5 V | — | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V | 2.5 V | 5 V | — | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | NO | YES | YES | — | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | BIPOLAR | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | COMMERCIAL | COMMERCIAL | AUTOMOTIVE | AUTOMOTIVE | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | MATTE TIN | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 2.54 mm | 1.27 mm | 0.65 mm | — | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | — | 30 | 30 | — | 30 | 30 | 30 |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | — | — | — | — | — | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 25 MHz | 25 MHz | 23 MHz | — | — | — | — | — | 25 MHz | 23 MHz | 23 MHz |
| ## SN74HCT273DWR Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — |
| Additional Feature | — | — | — | COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER | — | — | — | — | — | — | — |
| Differential Output | — | — | — | YES | — | — | — | — | — | — | — |
| Driver Number of Bits | — | — | — | 1 | — | — | — | — | — | — | — |
| High Level Input Current-Max | — | — | — | 0.00002 A | — | — | — | — | — | — | — |
| Input Characteristics | — | — | — | DIFFERENTIAL SCHMITT TRIGGER | — | — | — | — | — | — | — |
| Interface IC Type | — | — | — | LINE TRANSCEIVER | — | — | — | — | — | — | — |
| Interface Standard | — | — | — | EIA-485; EIA-422 | — | — | — | — | — | — | — |
| Out Swing-Min | — | — | — | 1.5 V | — | — | — | — | — | — | — |
| Output Low Current-Max | — | — | — | 0.016 A | — | — | — | — | — | — | — |
| Receive Delay-Max | — | — | — | 37 ns | — | — | — | — | — | — | — |
| Receiver Number of Bits | — | — | — | 1 | — | — | — | — | — | — | — |
| Supply Current-Max | — | — | — | 55 mA | 0.03 mA | — | — | — | — | — | — |
| Supply Voltage-Max | — | — | — | 5.25 V | — | — | — | — | — | — | — |
| Supply Voltage-Min | — | — | — | 4.75 V | — | — | — | — | — | — | — |
| Supply Voltage-Nom | — | — | — | 5 V | — | — | — | — | — | — | — |
| Transmit Delay-Max | — | — | — | 22 ns | — | — | — | — | — | — | — |
| ## DS75176BM/NOPB Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — |
| Access Time-Max | — | — | — | — | 70 ns | — | — | — | — | — | — |
| I/O Type | — | — | — | — | COMMON | — | — | — | — | — | — |
| Memory Density | — | — | — | — | 262144 bit | 4096 bit | — | — | — | — | — |
| Memory IC Type | — | — | — | — | UVPROM | EEPROM | — | — | — | — | — |
| Memory Width | — | — | — | — | 8 | 16 | — | — | — | — | — |
| Number of Words | — | — | — | — | 32768 words | 256 words | — | — | — | — | — |
| Number of Words Code | — | — | — | — | 32000 | 256 | — | — | — | — | — |
| Operating Mode | — | — | — | — | ASYNCHRONOUS | SYNCHRONOUS | — | — | — | — | — |
| Organization | — | — | — | — | 32KX8 | 256X16 | — | — | — | — | — |
| Output Characteristics | — | — | — | — | 3-STATE | — | 3-STATE | — | — | — | — |
| Parallel/Serial | — | — | — | — | PARALLEL | SERIAL | — | — | — | — | — |
| Programming Voltage | — | — | — | — | 12.75 V | — | — | — | — | — | — |
| Standby Current-Max | — | — | — | — | 0.0001 A | — | — | — | — | — | — |
| ## M27C256B-70XF1 Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — |
| Factory Lead Time | — | — | — | — | — | 14 Weeks | — | — | — | — | — |
| Alternate Memory Width | — | — | — | — | — | 8 | — | — | — | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | — | — | 2 MHz | — | — | — | — | — |
| Screening Level | — | — | — | — | — | AEC-Q100 | — | — | — | — | — |
| Serial Bus Type | — | — | — | — | — | MICROWIRE | — | — | — | — | — |
| Write Cycle Time-Max (tWC) | — | — | — | — | — | 4 ms | — | — | — | — | — |
| ## M93C66-RMN3TP/K Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — |
| Control Type | — | — | — | — | — | — | ENABLE LOW | — | — | — | — |
| Count Direction | — | — | — | — | — | — | UNIDIRECTIONAL | — | — | — | — |
| Number of Ports | — | — | — | — | — | — | 2 | — | — | — | — |
| ## SN74AHCT573PWRG4 Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — |
| Supply Voltage | — | — | — | — | — | — | — | 2V - 5.5V | — | — | — |
| Number of Gates | — | — | — | — | — | — | — | 4 | — | — | — |
| Logic Function | — | — | — | — | — | — | — | AND | — | — | — |
| Input Type | — | — | — | — | — | — | — | TTL-compatible CMOS | — | — | — |
| Operating Temperature | — | — | — | — | — | — | — | -40C to +85C | — | — | — |
| Propagation Delay | — | — | — | — | — | — | — | 7ns typical at 5V | — | — | — |
| Package | — | — | — | — | — | — | — | SOIC-14 | — | — | — |
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 10 alternatives for SN74HCT273DWR — response within 24 hours.
Quick Links
Flip-Flop, HCT Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Flip-Flop, HCT Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
suggested
suggested
suggested
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suggested
D Flip-Flop, HCT Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HCT Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HCT Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74HCT273DWR 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 SN74HCT273DWR 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 SN74HCT273DWR?
Known equivalents for SN74HCT273DWR include SN74HCT273DWRG4, SN74HCT273DWG4, DS75176BM/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HCT273DWR?
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 SN74HCT273DWR 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.