| Specifications | |
| Product Attribute | Attribute Value |
| Manufacturer Product Number | AT93C66B-SSHM-T |
| Manufacturer | Microchip Technology |
| Category | Integrated Circuits (ICs), Memory, Memory |
| Base Product Number | 93C66B |
| DigiKey Programmable | Verified |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 4Kbit |
| Memory Organization | 512 x 8, 256 x 16 |
| Memory Interface | 3-Wire Serial |
| Clock Frequency | 2 MHz |
| Write Cycle Time - Word, Page | 5ms |
| Voltage - Supply | 1.7V ~ 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 |
