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| PartNumber | AT28C256E-15PU | AT28C256E-15PC | AT28C256E-15PI |
| Description | EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP | IC EEPROM 256K PARALLEL 28DIP | IC EEPROM 256K PARALLEL 28DIP |
| Manufacturer | Microchip | Atmel | - |
| Product Category | EEPROM | Memory | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-28 | - | - |
| Memory Size | 256 kbit | 256K (32K x 8) | - |
| Organization | 32 k x 8 | - | - |
| Interface Type | Parallel | - | - |
| 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 | 4.83 - 0.38 mm (Max) (Min) | - | - |
| Length | 37.34 mm (Max) | - | - |
| Width | 13.97 mm (Max) | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Operating Supply Current | 50 mA | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Output Enable Access Time | 70 ns | - | - |
| Product Type | EEPROM | - | - |
| Programming Voltage | 4.5 V to 5.5 V | - | - |
| Factory Pack Quantity | 14 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.147798 oz | - | - |
| Packaging | - | Tube | - |
| Package Case | - | 28-DIP (0.600", 15.24mm) | - |
| Operating Temperature | - | 0°C ~ 70°C (TC) | - |
| Interface | - | Parallel | - |
| Voltage Supply | - | 4.5 V ~ 5.5 V | - |
| Supplier Device Package | - | 28-PDIP | - |
| Memory Type | - | EEPROM | - |
| Speed | - | 150ns | - |
| Format Memory | - | EEPROMs - Parallel | - |