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| PartNumber | 25AA256-I/SN | 25AA256-I/P | 25AA256-I/MF |
| Description | EEPROM 32kx8 - 1.8V | EEPROM 32kx8 - 1.8V | EEPROM 32kx8 - 1.8V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-8 | PDIP-8 | DFN-8 |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI |
| Access Time | 50 ns | 50 ns | 50 ns |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Maximum Clock Frequency | 10 MHz | 10 MHz | 10 MHz |
| Supply Current Max | 6 mA | 6 mA | 6 mA |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Height | 1.25 mm (Min) | 3.3 mm | 0.84 mm |
| Length | 4.9 mm | 9.4 mm | 5 mm |
| Width | 3.9 mm | 6.35 mm | 6 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 5 mA | 6 mA | 6 mA |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 2.5 V, 3.3 V, 5 V | 2.5 V, 3.3 V, 5 V | 2.5 V, 3.3 V, 5 V |
| Factory Pack Quantity | 100 | 60 | 60 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | 0.032805 oz | 0.001319 oz |