| PartNumber | 93LC66AT-I/MNY | 93LC66AT-I/MS | 93LC66AT-I/MC |
| Description | EEPROM 4K 512X8 SER EE IND | EEPROM 512x8 | EEPROM 4K 512X8 SER EE IND |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Package / Case | TDFN-8 | MSOP-8 | DFN-8 |
| Memory Size | 4 kbit | 4 kbit | 4 kbit |
| Organization | 512 x 8 | 512 x 8 | 512 x 8 |
| Packaging | Reel | Reel | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 3300 | 2500 | 3300 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Interface Type | - | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire |
| Access Time | - | 250 ns | 250 ns |
| Data Retention | - | 200 Year | 200 Year |
| Maximum Clock Frequency | - | 2 MHz | 2 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 |
| Height | - | 0.85 mm | 0.88 mm |
| Length | - | 3 mm | 2 mm |
| Width | - | 3 mm | 3 mm |
| Operating Supply Current | - | 2 mA | 2 mA |
| Operating Supply Voltage | - | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Unit Weight | - | 0.004938 oz | 0.001319 oz |