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| TYPE | DESCRIPTION |
| Mfr | Microchip Technology |
| Series | - |
| Package | Tape & Reel (TR) |
| Part Status | Obsolete |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 4Kb (512 x 8, 256 x 16) |
| Memory Interface | SPI |
| Clock Frequency | 2 MHz |
| Write Cycle Time - Word, Page | 10ms |
| Voltage - Supply | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | 93C66A |
