The AT28HC64B-90SU is a 64Kb SPI EEPROM from Microchip with an access time of 55ns and a maximum access time of 90ns. It operates at a maximum supply voltage of 5.5V and a minimum supply voltage of 4.5V. The device is mounted in a surface mount SOIC-28 package and is compliant with RoHS regulations. The operating temperature range is -40°C to 85°C.
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| Access Time | 55ns |
| Access Time-Max | 90ns |
| Package/Case | SOIC |
| Contact Plating | Tin, Matte |
| Density | 64Kb |
| Frequency | 90GHz |
| Interface | SPI, Parallel |
| Lead Free | Lead Free |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 8Kb |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Operating Supply Voltage | 5V |
| Organization | 8KX8 |
| Package Quantity | 27 |
| Programming Voltage | 5.5V |
| RoHS Compliant | Yes |
| Supply Current | 40mA |
| Write Protection | YES |
| RoHS | Compliant |
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