| PartNumber | 93LC66CT-I/MC | 93LC66CT-I/MS | 93LC66CT-I/MNY |
| Description | EEPROM 4K 128X8 OR 64X16 SER EE IND | EEPROM 128x8 Or 64x16 | EEPROM 4K 512X8 OR 256X16 SER EE IND |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | DFN-8 | MSOP-8 | TDFN-8 |
| Memory Size | 4 kbit | 4 kbit | 4 kbit |
| Organization | 512 x 8, 256 x 16 | 512 x 8, 256 x 16 | 512 x 8, 256 x 16 |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | - |
| Access Time | 200 ns | 200 ns | - |
| Data Retention | 200 Year | 200 Year | - |
| Maximum Clock Frequency | 3 MHz | 3 MHz | - |
| Supply Current Max | 2 mA | 2 mA | - |
| Supply Voltage Min | 2.5 V | 2.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | Reel |
| Height | 0.88 mm | 0.85 mm | - |
| Length | 2 mm | 3 mm | - |
| Width | 3 mm | 3 mm | - |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Supply Current | 2 mA | 2 mA | - |
| Operating Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 3300 | 2500 | 3300 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.001319 oz | 0.004938 oz | - |