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| PartNumber | 93C66AT-I/MNY | 93C66AT-I/MC | 93C66AT-I/MC/367 |
| Description | EEPROM 4K 512 X 8 SERIAL EE IND | EEPROM 4K 512X8 SER EE IND | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Package / Case | TDFN-8 | DFN-8 | - |
| Memory Size | 4 kbit | 4 kbit | - |
| Organization | 512 x 8 | 512 x 8 | - |
| Packaging | Reel | Reel | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 3300 | 3300 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Mounting Style | - | SMD/SMT | - |
| Interface Type | - | Serial, 3-Wire, Microwire | - |
| Access Time | - | 250 ns | - |
| Data Retention | - | 200 Year | - |
| Maximum Clock Frequency | - | 2 MHz | - |
| Supply Current Max | - | 2 mA | - |
| Supply Voltage Min | - | 4.5 V | - |
| Supply Voltage Max | - | 5.5 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Height | - | 0.88 mm | - |
| Length | - | 2 mm | - |
| Width | - | 3 mm | - |
| Operating Supply Current | - | 2 mA | - |
| Operating Supply Voltage | - | 4.5 V to 5.5 V | - |
| Unit Weight | - | 0.001319 oz | - |