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| PartNumber | AT28C256-15JI | AT28C256-15JC | AT28C256-15JA |
| Description | EEPROM 256K 11MIL GRIND - 150NS IND TEMP | IC EEPROM 256K PARALLEL 32PLCC | IC EEPROM 256K PARALLEL 32PLCC |
| Manufacturer | Microchip | - | - |
| Product Category | EEPROM | - | - |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-32 | - | - |
| Memory Size | 256 kbit | - | - |
| Organization | 32 k x 8 | - | - |
| Interface Type | Serial, 4-Wire, SDI, SPI | - | - |
| Access Time | 150 ns | - | - |
| Data Retention | 10 Year | - | - |
| Supply Current Max | 50 mA | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Series | AT28C256 | - | - |
| Height | 2.79 mm (Min) | - | - |
| Length | 14.1 mm (Max) | - | - |
| Width | 11.51 mm (Max) | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 50 mA | - | - |
| Operating Supply Voltage | 4.5 V, 5.5 V | - | - |
| Output Enable Access Time | 70 ns | - | - |
| Product Type | EEPROM | - | - |
| Programming Voltage | 4.5 V to 5.5 V | - | - |
| Factory Pack Quantity | 32 | - | - |
| Subcategory | Memory & Data Storage | - | - |