256Kb serial EEPROM featuring a 32K x 8 organization and SPI interface. Offers a fast 50ns access time and operates at frequencies up to 10MHz. This surface mount device is housed in a lead-free SOIC package with dimensions of 4.9mm length, 3.9mm width, and 1.25mm height. Supports a wide supply voltage range from 1.8V to 5.5V and includes write protection.
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Microchip 25AA256-I/SN technical specifications.
| Access Time | 50ns |
| Access Time-Max | 50ns |
| Package/Case | SOIC |
| Density | 256Kb |
| Frequency | 10MHz |
| Height | 1.25mm |
| Interface | SPI, Serial |
| Lead Free | Lead Free |
| Length | 4.9mm |
| Max Frequency | 10MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 256Kb |
| Memory Type | Non-Volatile, , EEPROM |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Organization | 32KX8 |
| Package Quantity | 100 |
| Packaging | Rail/Tube |
| Programming Voltage | 5.5V |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Supply Current | 6mA |
| Supply Voltage-Nom | 5.5V |
| Width | 3.9mm |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | YES |
| RoHS | Compliant |
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