| PartNumber | AT28C64-12SC | AT28C64-12JC | AT28C64-12PI |
| Description | EEPROM 64K 5V w/RDYBSY- 120NS COM TEMP | EEPROM 64K 5V w/RDYBSY - 120NS COM TEMP | EEPROM 64K 5V w/RDYBSY- 120NS IND TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | SOIC-28 | PLCC-32 | PDIP-28 |
| Memory Size | 64 kbit | 64 kbit | 64 kbit |
| Organization | 8 k x 8 | 8 k x 8 | 8 k x 8 |
| Interface Type | Parallel | Parallel | Parallel |
| Access Time | 120 ns | 120 ns | 120 ns |
| Data Retention | 10 Year | 10 Year | 10 Year |
| Supply Current Max | 30 mA | 30 mA | 45 mA |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 85 C |
| Height | 2.4 mm (Max) | 2.79 mm (Min) | 4.83 - 0.38 mm (Max) (Min) |
| Length | 18.5 mm (Max) | 14.1 mm (Max) | 37.34 mm (Max) |
| Width | 8.79 mm (Max) | 11.51 mm (Max) | 13.97 mm (Max) |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Current | 30 mA | 30 mA | 45 mA |
| Operating Supply Voltage | 5 V | 2.7 V, 3.6 V | 5 V |
| Output Enable Access Time | 60 ns | 60 ns | 60 ns |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 27 | 32 | 14 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | - | 0.147798 oz |