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| PartNumber | AT28C256E-15JU-T | AT28C256E-15JU | AT28C256E-15JUMICROCHIP |
| Description | EEPROM 150NS, PLCC, IND TEMP, GREEN | EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-32 | PLCC-32 | - |
| Memory Size | 256 kbit | 256 kbit | - |
| Organization | 32 k x 8 | 32 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Access Time | 150 ns | 150 ns | - |
| Data Retention | 10 Year | 10 Year | - |
| Maximum Clock Frequency | - | - | - |
| 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 | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT28C256 | AT28C256 | - |
| Packaging | Reel | Tube | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 750 | 32 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Height | - | 2.79 mm (Min) | - |
| Length | - | 14.1 mm (Max) | - |
| Width | - | 11.51 mm (Max) | - |
| Operating Supply Current | - | 50 mA | - |
| Output Enable Access Time | - | 70 ns | - |
| Programming Voltage | - | 4.5 V to 5.5 V | - |
| Unit Weight | - | 0.083317 oz | - |