| Part Number | AT28C256E-25UM/883 | AT28C256E-15UM/883 |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Memory | Memory |
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| Product Status | Active | Active |
| Memory Type | Non-Volatile | Non-Volatile |
| Memory Format | EEPROM | EEPROM |
| Technology | EEPROM | EEPROM |
| Memory Size | 256Kb (32K x 8) | 256Kb (32K x 8) |
| Memory Interface | Parallel | Parallel |
| Clock Frequency | - | - |
| Write Cycle Time - Word, Page | 10ms | 10ms |
| Access Time | 250 ns | 150 ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TC) | -55°C ~ 125°C (TC) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 28-BCPGA | 28-BCPGA |
| Supplier Device Package | 28-CPGA (13.97x16.51) | 28-CPGA (13.97x16.51) |