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| PartNumber | AT28C64E-25PC | AT28C64E-25JC | AT28C64E-25JI |
| Description | EEPROM 64K HI-ENDUR w/RDYBSY - 250NS | EEPROM 64K HI-ENDUR w/RDYBSY - 250NS | IC EEPROM 64K PARALLEL 32PLCC |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | EEPROM | EEPROM | Memory |
| RoHS | N | N | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-28 | PLCC-32 | - |
| Memory Size | 64 kbit | 64 kbit | 64K (8K x 8) |
| Organization | 8 k x 8 | 8 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Access Time | 250 ns | 250 ns | - |
| Data Retention | 10 Year | 10 Year | - |
| Supply Current Max | 30 mA | 30 mA | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Height | 4.83 - 0.38 mm (Max) (Min) | 2.79 mm (Min) | - |
| Length | 37.34 mm (Max) | 14.1 mm (Max) | - |
| Width | 13.97 mm (Max) | 11.51 mm (Max) | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Current | 30 mA | 30 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Output Enable Access Time | 100 ns | 100 ns | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 14 | 32 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.147798 oz | - | - |
| Series | - | - | - |
| Packaging | - | - | Tube |
| Package Case | - | - | 32-LCC (J-Lead) |
| Operating Temperature | - | - | -40°C ~ 85°C (TC) |
| Interface | - | - | Parallel |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 32-PLCC |
| Memory Type | - | - | EEPROM |
| Speed | - | - | 250ns |
| Format Memory | - | - | EEPROMs - Parallel |