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| PartNumber | AT28HC64BF-70PU | AT28HC64BF-70JU | AT28HC64BF-70SU |
| Description | EEPROM 1M 5V SDP - 70NS IND TEMP | EEPROM 1M 5V SDP - 70NS IND TEMP | IC EEPROM 64K PARALLEL 28SOIC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-28 | PLCC-32 | - |
| Memory Size | 64 kbit | 64 kbit | - |
| Organization | 8 k x 8 | 8 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Access Time | 70 ns | 70 ns | - |
| Data Retention | 10 Year | 10 Year | - |
| Supply Current Max | 40 mA | 40 mA | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT28HC64BF | AT28HC64BF | - |
| Height | 4.2 mm (Max) | 2.79 mm (Min) | - |
| Length | 37.85 mm (Max) | 14.1 mm (Max) | - |
| Width | 15.49 mm (Max) | 11.51 mm (Max) | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Operating Supply Current | 40 mA | 40 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Output Enable Access Time | 35 ns | 35 ns | - |
| Product Type | EEPROM | EEPROM | - |
| Programming Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Factory Pack Quantity | 14 | 32 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.147798 oz | - | - |