256Kb SPI serial EEPROM with 32K x 8 organization, offering a 50ns access time and up to 10MHz frequency. This surface mount component features a TSSOP package with dimensions of 3.1mm (L) x 4.5mm (W) x 1.05mm (H). Operating across a voltage range of 1.8V to 5.5V, it supports a maximum supply current of 6mA and includes write protection. The device is RoHS compliant and operates within a temperature range of -40°C to 85°C.
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Microchip 25AA256-I/ST technical specifications.
| Access Time | 50ns |
| Access Time-Max | 50ns |
| Package/Case | TSSOP |
| Density | 256Kb |
| Frequency | 10MHz |
| Height | 1.05mm |
| Interface | SPI, Serial |
| Lead Free | Lead Free |
| Length | 3.1mm |
| Max Frequency | 10MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256Kb |
| Memory Type | EEPROM, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of Words | 32768 |
| Organization | 32KX8 |
| Package Quantity | 100 |
| Packaging | Rail/Tube |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Supply Current | 6mA |
| Supply Voltage-Nom | 5.5V |
| Width | 4.5mm |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | YES |
| RoHS | Compliant |
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