| PartNumber | AT28C64E-20JI | AT28C64E-20SI | AT28C64E-20PC |
| Description | EEPROM 64K HI-ENDUR w/RDYBSY - 200NS | EEPROM 64K HI-ENDUR w/RDYBSY - 200NS | EEPROM 64K HI-ENDUR w/ RDYBSY 200NS |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | PLCC-32 | SOIC-28 | 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 | 200 ns | 200 ns | 200 ns |
| Data Retention | 10 Year | 10 Year | 10 Year |
| Supply Current Max | 45 mA | 45 mA | 30 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 | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Height | 2.79 mm (Min) | 2.4 mm (Max) | 4.83 - 0.38 mm (Max) (Min) |
| Length | 14.1 mm (Max) | 18.5 mm (Max) | 37.34 mm (Max) |
| Width | 11.51 mm (Max) | 8.79 mm (Max) | 13.97 mm (Max) |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Current | 45 mA | 45 mA | 30 mA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Output Enable Access Time | 80 ns | 80 ns | 80 ns |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 32 | 27 | 14 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | - | 0.147798 oz |