The AT28HC256E-90SI is a 256Kb parallel EEPROM from Microchip with an access time of 90ns. It operates within a temperature range of -40°C to 85°C and is supplied with a voltage of 5V, drawing a current of 80mA. The device is available in a surface mount SOIC package and is packaged in rail/Tube quantities of 27. Note that this device is not RoHS compliant.
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| Access Time | 90ns |
| Access Time-Max | 90ns |
| Package/Case | SOIC |
| Density | 256Kb |
| Interface | Parallel |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 256Kb |
| Memory Type | EEPROM, , Non-Volatile |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Operating Supply Voltage | 5V |
| Organization | 32KX8 |
| Package Quantity | 27 |
| Packaging | Rail/Tube |
| RoHS Compliant | No |
| Supply Current | 80mA |
| Write Protection | YES |
| RoHS | Not Compliant |
