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| PartNumber | AT28C256F-15PI | AT28C256F-15PC | AT28C256F-15PU |
| Description | EEPROM 256K FAST PROG SDP- 150NS IND TEMP | EEPROM 256K FAST PROG SDP- 150NS COM TEMP | IC EEPROM 256K PARALLEL 28DIP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | N | N | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-28 | PDIP-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 | 150 ns | 150 ns | - |
| Data Retention | 10 Year | 10 Year | - |
| Supply Current Max | 50 mA | 50 mA | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 85 C | + 70 C | - |
| Series | AT28C256 | AT28C256 | - |
| Height | 4.83 - 0.38 mm (Max) (Min) | 4.2 mm (Max) | - |
| Length | 37.34 mm (Max) | 37.85 mm (Max) | - |
| Width | 13.97 mm (Max) | 15.49 mm (Max) | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Current | 50 mA | 50 mA | - |
| Operating Supply Voltage | 5 V | 2.7 V, 3.6 V | - |
| Output Enable Access Time | 70 ns | 70 ns | - |
| Product Type | EEPROM | EEPROM | - |
| Programming Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Factory Pack Quantity | 14 | 14 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.147798 oz | 0.147798 oz | - |