SN74HCT573NAlternatives & Equivalent Parts
About SN74HCT573N
SN74HCT573N 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 | SN74HCT573NSource | AT27C020-90PU | BQ500100DCKR | SN74HCT373N | SN74HCT573DW | SN74HCT373DW | SN74HCT573DWR | SN74HCT573NSRG4 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Microchip | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | SOT23 (6-Pin) | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 32 | 6 | 20 | 20 | 20 | 20 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°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 | $0.5700 | $4.3434 | $0.4561 | $0.1591 | $0.2510 | $0.1715 | $0.3423 | — |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | — | — | — | Yes | Yes |
| YTEOL | 15 | 0 | 15 | 15 | 0 | 0 | 15 | 0 |
| Control Type | ENABLE LOW | — | — | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL | — | — | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Family | HCT | — | — | HCT | HCT | HCT | HCT | HCT |
| JESD-30 Code | R-PDIP-T20 | R-PDIP-T32 | R-PDSO-G6 | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e3 | e4 | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | — | — | 150 pF | 50 pF | 150 pF | 50 pF | 50 pF |
| Logic IC Type | BUS DRIVER | — | — | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| Max I(ol) | 0.006 A | — | — | 0.006 A | 0.006 A | 0.006 A | 0.006 A | 0.006 A |
| Number of Bits | 8 | — | — | 8 | 8 | 8 | 8 | 8 |
| Number of Functions | 8 | 1 | 1 | 8 | 8 | 8 | 8 | 1 |
| Number of Ports | 2 | 1 | — | 2 | 2 | 2 | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE | — | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output Polarity | 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 | DIP32,.6 | — | DIP20,.3 | SOP20,.4 | SOP20,.4 | SOP20,.4 | SOP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | — | — | TUBE | TUBE | TUBE | TR | TR |
| Power Supply Current-Max (ICC) | 0.08 mA | — | — | 0.08 mA | 0.08 mA | 0.08 mA | 0.08 mA | 0.08 mA |
| Prop. Delay@Nom-Sup | 44 ns | — | — | 44 ns | 44 ns | 44 ns | 44 ns | 44 ns |
| Propagation Delay (tpd) | 65 ns | — | — | 65 ns | 65 ns | 65 ns | 65 ns | 65 ns |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 6 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 | 2.7 V | 4.5 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 | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | YES | NO | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 0.65 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| ## SN74HCT573N Alternates Showing results | Image | — | — | — | — | — | — | — |
| Manufacturer Package Code | — | PDIP-32 | — | — | — | — | — | — |
| Factory Lead Time | — | 7 Weeks | — | — | — | — | — | — |
| Access Time-Max | — | 90 ns | — | — | — | — | — | — |
| I/O Type | — | COMMON | — | — | — | — | — | — |
| Memory Density | — | 2097152 bit | — | — | — | — | — | — |
| Memory IC Type | — | OTP ROM | — | — | — | — | — | — |
| Memory Width | — | 8 | — | — | — | — | — | — |
| Number of Words | — | 262144 words | — | — | — | — | — | — |
| Number of Words Code | — | 256000 | — | — | — | — | — | — |
| Operating Mode | — | ASYNCHRONOUS | — | — | — | — | — | — |
| Organization | — | 256KX8 | — | — | — | — | — | — |
| Parallel/Serial | — | PARALLEL | — | — | — | — | — | — |
| Programming Voltage | — | 13 V | — | — | — | — | — | — |
| Standby Current-Max | — | 0.0001 A | — | — | — | — | — | — |
| Supply Current-Max | — | 0.025 mA | — | — | — | — | — | — |
| ## AT27C020-90PU Alternates Showing results | — | Image | — | — | — | — | — | — |
| Date Of Intro | — | — | 2016-01-16 | — | — | — | — | — |
| Analog IC - Other Type | — | — | ANALOG CIRCUIT | — | — | — | — | — |
| Number of Channels | — | — | 1 | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | 260 | 260 | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — | 30 | 30 | 30 | 30 |
| ## BQ500100DCKR Alternates Showing results | — | — | Image | — | — | — | — | — |
| Screening Level | — | — | — | MIL-PRF-38535 | — | MIL-PRF-38535 | — | — |
| Trigger Type | — | — | — | — | — | — | — | HIGH LEVEL |
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 SN74HCT573N 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 SN74HCT573N 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 SN74HCT573N?
Known equivalents for SN74HCT573N include AT27C020-90PU, BQ500100DCKR, SN74HCT373N. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HCT573N?
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 SN74HCT573N 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.