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| PartNumber | FM93C46EN | FM93C46EM8 | FM93C46EM8X |
| Description | EEPROM | EEPROM | EEPROM 1K-Bit Serial |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | N | N | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | DIP-8 | SOP-8 | - |
| Memory Size | 1 kbit | 1 kbit | - |
| Organization | 64 x 16 | 64 x 16 | - |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | - |
| Data Retention | 40 Year | 40 Year | - |
| Maximum Clock Frequency | 1 MHz | 1 MHz | - |
| Supply Current Max | 1 mA | 1 mA | - |
| Supply Voltage Min | 4.5 V | 4.5 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 | 3.3 mm | 1.5 mm (Max) | - |
| Length | 10.16 mm (Max) | 5 mm (Max) | - |
| Width | 6.35 mm | 4 mm (Max) | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Operating Supply Current | 1 mA | 1 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.032805 oz | 0.030018 oz | - |