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.
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Specification Comparison
| Parameter | AT27C020-90PUSource | IS62C256AL-45ULI | SN74HCT573N | AT27C010-90JI | 744031470 |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Integrated Silicon Solution Inc. | Texas Instruments | Microchip | Würth Elektronik |
| Package Type | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | Plastic Leaded Chip Carrier | Other |
| Pin Count | 32 | 28 | 20 | 32 | 2 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | — | -40.0°C ~ 125.0°C |
| Price | $4.3434 | $1.3463 | $0.5700 | $1.1161 | $0.6983 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | Yes | — | — |
| Manufacturer Package Code | PDIP-32 | — | — | — | — |
| Factory Lead Time | 7 Weeks | — | — | — | — |
| YTEOL | 0 | — | 15 | — | 15 |
| Access Time-Max | 90 ns | — | — | — | — |
| I/O Type | COMMON | — | — | — | — |
| JESD-30 Code | R-PDIP-T32 | — | R-PDIP-T20 | — | — |
| JESD-609 Code | e3 | — | e4 | — | e3 |
| Memory Density | 2097152 bit | — | — | — | — |
| Memory IC Type | OTP ROM | — | — | — | — |
| Memory Width | 8 | — | — | — | — |
| Number of Functions | 1 | — | 8 | — | 1 |
| 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 | — | SMT |
| 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 | — | YES |
| Technology | CMOS | — | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | — | — |
| Terminal Finish | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Tin (Sn) - with Nickel (Ni) barrier |
| 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 | — | TR, Embossed Plastic, 7 Inch |
| Power Supply Current-Max (ICC) | — | — | 0.08 mA | — | — |
| Prop. Delay@Nom-Sup | — | — | 44 ns | — | — |
| Propagation Delay (tpd) | — | — | 65 ns | — | — |
| ## SN74HCT573N Alternates Showing results | — | — | Image | — | — |
| Case/Size Code | — | — | — | — | 1515 |
| Construction | — | — | — | — | Rectangular |
| Core Material | — | — | — | — | MANGANESE-ZINC |
| DC Resistance | — | — | — | — | 1 Ω |
| Inductance-Nom (L) | — | — | — | — | 47 µH |
| Inductor Application | — | — | — | — | POWER INDUCTOR |
| Inductor Type | — | — | — | — | GENERAL PURPOSE INDUCTOR |
| Package Height | — | — | — | — | 1.65 mm |
| Package Length | — | — | — | — | 3.8 mm |
| Package Width | — | — | — | — | 3.8 mm |
| Rated Current-Max | — | — | — | — | 0.39 A |
| Self Resonance Frequency | — | — | — | — | 20 MHz |
| Shape/Size Description | — | — | — | — | RECTANGULAR PACKAGE |
| Shielded | — | — | — | — | YES |
| Terminal Placement | — | — | — | — | DUAL ENDED |
| Terminal Shape | — | — | — | — | ONE SURFACE |
| Test Frequency | — | — | — | — | 0.1 MHz |
| Tolerance | — | — | — | — | 30% |
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 4 alternatives for AT27C020-90PU — response within 24 hours.
Quick Links
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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FAQ
What is equivalent to AT27C020-90PU?
Known equivalents for AT27C020-90PU include IS62C256AL-45ULI, SN74HCT573N, AT27C010-90JI. 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.