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| PartNumber | AT28BV256-20SC | AT28BV256-20SI | AT28BV256-20SA |
| Description | EEPROM 256K 2.7V - 3.6V SDP- 200NS COM TEMP | EEPROM 256K 2.7V - 3.6V SDP-200NS IND TEMP | IC EEPROM 256K PARALLEL 28SOIC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | N | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-28 | SOIC-28 | - |
| Memory Size | 256 kbit | 256 kbit | - |
| Organization | 32 k x 8 | 32 k x 8 | - |
| Interface Type | Serial, 4-Wire, SDI, SPI | 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 | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Series | AT28BV256 | AT28BV256 | - |
| Height | 2.35 mm (Max) | 2.35 mm (Max) | - |
| Length | 18.1 mm (Max) | 18.1 mm (Max) | - |
| Width | 7.6 mm (Max) | 7.6 mm (Max) | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Operating Supply Current | 15 mA | 15 mA | - |
| Operating Supply Voltage | 3.3 V | 2.7 V, 3.6 V | - |
| Output Enable Access Time | 80 ns | 80 ns | - |
| Product Type | EEPROM | EEPROM | - |
| Programming Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | - |
| Factory Pack Quantity | 27 | 27 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |