AT28C256-15TUAlternatives & Equivalent Parts
About AT28C256-15TU
AT28C256-15TU is a Integrated Circuit component manufactured by Microchip. 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 | AT28C256-15TUSource | ATTINY85V-10MU | AT28C256E-15TU | AT28C256F-15TU-T |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Quad Flat No-Lead | Small Outline Packages | Small Outline Packages |
| Pin Count | 28 | 20 | 28 | 28 |
| Temperature Range | -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 | $4.0900 | $1.5700 | $4.8700 | — |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | — |
| Manufacturer Package Code | TSOP-28 | WQFN-20 | TSOP-28 | TSOP-28 |
| YTEOL | 0 | 14 | 0 | 0 |
| Access Time-Max | 150 ns | — | 150 ns | 150 ns |
| Command User Interface | NO | — | NO | — |
| Data Polling | YES | — | YES | — |
| Endurance | 10000 Write/Erase Cycles | — | 100000 Write/Erase Cycles | — |
| JESD-30 Code | R-PDSO-G28 | S-PQCC-N20 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | e3 | — |
| Memory Density | 262144 bit | — | 262144 bit | 262144 bit |
| Memory IC Type | EEPROM | — | EEPROM | EEPROM |
| Memory Width | 8 | — | 8 | 8 |
| Number of Functions | 1 | — | 1 | 1 |
| Number of Words | 32768 words | — | 32768 words | 32768 words |
| Number of Words Code | 32000 | — | 32000 | 32000 |
| Operating Mode | ASYNCHRONOUS | — | ASYNCHRONOUS | ASYNCHRONOUS |
| Organization | 32KX8 | — | 32KX8 | 32KX8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.53,22 | LCC20,.16SQ,20 | TSSOP28,.53,22 | — |
| Package Shape | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE |
| Page Size | 64 words | — | 64 words | — |
| Parallel/Serial | PARALLEL | — | PARALLEL | PARALLEL |
| Programming Voltage | 5 V | — | 5 V | 5 V |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — |
| Standby Current-Max | 0.0002 A | — | 0.0002 A | — |
| Supply Current-Max | 0.05 mA | 8 mA | 0.05 mA | — |
| Supply Voltage-Max (Vsup) | 5.5 V | — | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | — | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN | — |
| Terminal Form | GULL WING | NO LEAD | GULL WING | GULL WING |
| Terminal Pitch | 0.55 mm | 0.5 mm | 0.55 mm | 0.55 mm |
| Terminal Position | DUAL | QUAD | DUAL | DUAL |
| Toggle Bit | YES | — | YES | — |
| Write Cycle Time-Max (tWC) | 10 ms | — | 10 ms | 3 ms |
| ## AT28C256-15TU Alternates Showing results | Image | — | — | — |
| Factory Lead Time | — | 7 Weeks | — | — |
| Has ADC | — | YES | — | — |
| Additional Feature | — | ALSO OPERATES AT 1.8 V MINIMUM SUPPLY AT 4 MHZ | AUTOMATIC WRITE | — |
| Bit Size | — | 8 | — | — |
| Boundary Scan | — | YES | — | — |
| CPU Family | — | AVR RISC | — | — |
| Clock Frequency-Max | — | 10 MHz | — | — |
| DAC Channels | — | NO | — | — |
| DMA Channels | — | NO | — | — |
| Number of I/O Lines | — | 6 | — | — |
| On Chip Program ROM Width | — | 8 | — | — |
| PWM Channels | — | YES | — | — |
| RAM (bytes) | — | 512 | — | — |
| ROM (words) | — | 8192 | — | — |
| ROM Programmability | — | FLASH | — | — |
| Speed | — | 10 MHz | — | — |
| Supply Voltage-Max | — | 5.5 V | — | — |
| Supply Voltage-Min | — | 3 V | — | — |
| Supply Voltage-Nom | — | 3 V | — | — |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER, RISC | — | — |
| ## ATTINY85V-10MU Alternates Showing results | — | Image | — | — |
| Output Characteristics | — | — | 3-STATE | — |
| Screening Level | — | — | MIL-STD-883 | — |
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 3 alternatives for AT28C256-15TU — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT28C256-15TU 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 AT28C256-15TU 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 AT28C256-15TU?
Known equivalents for AT28C256-15TU include ATTINY85V-10MU, AT28C256E-15TU, AT28C256F-15TU-T. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT28C256-15TU?
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 AT28C256-15TU 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.