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| PartNumber | CAT93C66XI | CAT93C66XI-GT2 | CAT93C66XI-T |
| Description | EEPROM (512x8) (256x16) 4K | ||
| Manufacturer | ON Semiconductor | - | - |
| Product Category | EEPROM | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-8 | - | - |
| Memory Size | 4 kbit | - | - |
| Organization | 512 x 8, 256 x 16 | - | - |
| Interface Type | Serial, 3-Wire, Microwire | - | - |
| Access Time | 250 ns | - | - |
| Data Retention | 100 Year | - | - |
| Maximum Clock Frequency | 2 MHz | - | - |
| Supply Current Max | 500 uA, 1 mA | - | - |
| Supply Voltage Min | 2.5 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Series | CAT93C66 | - | - |
| Packaging | Tube | - | - |
| Height | 1.78 mm (Max) | - | - |
| Length | 5.33 mm (Max) | - | - |
| Width | 5.38 mm (Max) | - | - |
| Brand | ON Semiconductor | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 500 uA, 1 mA | - | - |
| Operating Supply Voltage | 3.3 V, 5 V | - | - |
| Product Type | EEPROM | - | - |
| Factory Pack Quantity | 94 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.019048 oz | - | - |