| PartNumber | AT28HC64BF-90SU | AT28HC64BF-90JU | AT28HC64BF-90PU |
| Description | EEPROM 1M 5V SDP - 90NS IND TEMP | EEPROM 1M 5V SDP - 90NS IND TEMP | EEPROM 1M 5V SDP - 90NS IND TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| 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 | 90 ns | 90 ns | 90 ns |
| Data Retention | 10 Year | 10 Year | 10 Year |
| Supply Current Max | 40 mA | 40 mA | 40 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 | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | AT28HC64BF | AT28HC64BF | AT28HC64BF |
| Height | 2.35 mm (Max) | 2.79 mm (Min) | 4.2 mm (Max) |
| Length | 18.1 mm (Max) | 14.1 mm (Max) | 37.85 mm (Max) |
| Width | 7.6 mm (Max) | 11.51 mm (Max) | 15.49 mm (Max) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Supply Current | 40 mA | 40 mA | 40 mA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Output Enable Access Time | 40 ns | 40 ns | 40 ns |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Factory Pack Quantity | 27 | 32 | 14 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | - | 0.147798 oz |