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| PartNumber | AT88SC018-SU-CM-T | AT88SC018-SU-CM | AT88SC018-SU-CE |
| Description | EEPROM CryMem Comp 8ld, Green | EEPROM CryMem Comp 8ld, Green | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOIC-Wide-8 | - |
| Memory Size | 8 kbit | 256 kbit | - |
| Organization | 1 k x 8 | 32 k x 8 | - |
| Interface Type | Serial, 4-Wire, SDI, SPI | Serial, 2-Wire, I2C | - |
| Access Time | 230 ns | 900 ns | - |
| Data Retention | 200 Year | 200 Year | - |
| Maximum Clock Frequency | 2 MHz | 400 kHz | - |
| Supply Current Max | 5 mA | 400 uA, 3 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 | Tube | - |
| Height | 1.25 mm (Min) | 1.98 mm (Max) | - |
| Length | 4.9 mm | 5.26 mm | - |
| Width | 3.9 mm | 5.25 mm | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Current | 5 mA | 400 uA, 3 mA | - |
| Operating Supply Voltage | 2.5 V, 5.5 V | 2.5 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Programming Voltage | 3.3 V, 5 V | 2.5 V to 5.5 V | - |
| Factory Pack Quantity | 3300 | 90 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.019048 oz | 0.019048 oz | - |
| Series | - | 24AA256 | - |