AT27C020-90PUAlternatives & Equivalent Parts
About AT27C020-90PU
AT27C020-90PU is a Integrated Circuit component manufactured by Microchip. 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 | AT27C020-90PUSource | SN74HCT573N |
|---|---|---|
| Manufacturer | Microchip | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 32 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.3434 | $0.5700 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| Manufacturer Package Code | PDIP-32 | — |
| Factory Lead Time | 7 Weeks | — |
| YTEOL | 0 | 15 |
| Access Time-Max | 90 ns | — |
| I/O Type | COMMON | — |
| JESD-30 Code | R-PDIP-T32 | R-PDIP-T20 |
| JESD-609 Code | e3 | e4 |
| Memory Density | 2097152 bit | — |
| Memory IC Type | OTP ROM | — |
| Memory Width | 8 | — |
| Number of Functions | 1 | 8 |
| Number of Ports | 1 | 2 |
| Number of Words | 262144 words | — |
| Number of Words Code | 256000 | — |
| Operating Mode | ASYNCHRONOUS | — |
| Organization | 256KX8 | — |
| Output Characteristics | 3-STATE | 3-STATE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP32,.6 | DIP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE |
| Parallel/Serial | PARALLEL | — |
| Programming Voltage | 13 V | — |
| Qualification Status | Not Qualified | Not Qualified |
| Standby Current-Max | 0.0001 A | — |
| Supply Current-Max | 0.025 mA | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V |
| Surface Mount | NO | NO |
| Technology | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL |
| ## AT27C020-90PU Alternates Showing results | Image | — |
| Control Type | — | ENABLE LOW |
| Count Direction | — | UNIDIRECTIONAL |
| Family | — | HCT |
| Load Capacitance (CL) | — | 50 pF |
| Logic IC Type | — | BUS DRIVER |
| Max I(ol) | — | 0.006 A |
| Number of Bits | — | 8 |
| Output Polarity | — | TRUE |
| Packing Method | — | TUBE |
| Power Supply Current-Max (ICC) | — | 0.08 mA |
| Prop. Delay@Nom-Sup | — | 44 ns |
| Propagation Delay (tpd) | — | 65 ns |
| ## SN74HCT573N Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for AT27C020-90PU 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 AT27C020-90PU 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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Request Alternatives for AT27C020-90PUFAQ
What is equivalent to AT27C020-90PU?
Known equivalents for AT27C020-90PU include SN74HCT573N. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT27C020-90PU?
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 AT27C020-90PU 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.