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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION |
|---|---|
| Part Status | Active |
| Mounting Type | Surface Mount |
| Mount | Surface Mount |
| RoHS Status | Non-RoHS Compliant |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 125°C |
| Operating Supply Voltage | 5V |
| Packaging | Tube |
| Lead Free | Contains Lead |
| Contact Plating | Lead, Tin |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Max Supply Voltage | 5.5V |
| Number of Pins | 28 |
| Min Supply Voltage | 4.5V |
| Memory Interface | Parallel |
| Nominal Supply Current | 50mA |
| Voltage – Supply | 4.5V~5.5V |
| Published | 1997 |
| Memory Type | Non-Volatile |
| Factory Lead Time | 23 Weeks |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Write Cycle Time – Word, Page | 10ms |
| Memory Size | 256Kb 32K x 8 |
| Density | 256 kb |
| Access Time | 250ns |
| Operating Temperature | -55°C~125°C TC |
| Interface | Parallel, SPI |
| Base Part Number | AT28C256 |
| Package / Case | 28-CFlatPack |
| Frequency | 250GHz |
| Supplier Device Package | 28-Flatpack, Ceramic Bottom-Brazed |
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