| PartNumber | AT28BV256-20TU-T | AT28BV256-20TU | AT28BV256-20TU-235 |
| Description | EEPROM 200NS TSOP IND GRN | EEPROM 256K 32K x 8 200 ns 2.7V-3.6V | EEPROM 200NS, TSOP, IND TEMP, GREEN - test to 105C |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSOP-28 | TSOP-28 | TSOP-28 |
| Memory Size | 256 kbit | 256 kbit | - |
| Organization | 32 k x 8 | 32 k x 8 | - |
| Interface Type | Parallel | Serial, 4-Wire, SDI, SPI | - |
| Access Time | 200 ns | 200 ns | - |
| Data Retention | 10 Year | 10 Year | - |
| Supply Current Max | 15 mA | 15 mA | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT28BV256 | AT28BV256 | AT28BV256 |
| Packaging | Reel | Tray | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Current | 15 mA | 15 mA | - |
| Output Enable Access Time | 80 ns | 80 ns | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 2000 | 234 | 2000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Height | - | 1 mm | - |
| Length | - | 8 mm | - |
| Width | - | 11.8 mm | - |
| Operating Supply Voltage | - | 3.3 V | - |
| Programming Voltage | - | 2.7 V to 3.6 V | - |
| Unit Weight | - | 0.055592 oz | - |