| Part Number | 93C66B-E/P | 93C66C-E/P |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Memory | Memory |
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| Product Status | Active | Active |
| Memory Type | Non-Volatile | Non-Volatile |
| Memory Format | EEPROM | EEPROM |
| Technology | EEPROM | EEPROM |
| Memory Size | 4Kb (256 x 16) | 4Kb (512 x 8, 256 x 16) |
| Memory Interface | SPI | SPI |
| Clock Frequency | 2 MHz | 3 MHz |
| Write Cycle Time - Word, Page | 2ms | 2ms |
| Access Time | - | - |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP | 8-PDIP |