The AT28C256E-20PU is a 256Kb parallel access RAM from Microchip. It operates at a maximum access time of 200ns and has a maximum operating temperature of 85°C. The device is packaged in a PDIP and is available in a rail/Tube packaging. It is designed to operate at a supply voltage of 5V and can be programmed at a voltage of up to 5.5V.
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| Access Time-Max | 200ns |
| Package/Case | PDIP |
| Density | 256Kb |
| Interface | Parallel |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Operating Supply Voltage | 5V |
| Organization | 32KX8 |
| Packaging | Rail/Tube |
| Programming Voltage | 5.5V |
| Radiation Hardening | No |
| RoHS | Compliant |
