| CAT25010 | Catalyst Semiconductor | SPI Serial CMOS EEPROM (Motorola Compatible), 1K, 2-bit Block Protection |
| CAT25020 | Catalyst Semiconductor | SPI Serial CMOS EEPROM (Motorola Compatible), 2K, 2-bit Block Protection |
| CAT25040 | Catalyst Semiconductor | SPI Serial CMOS EEPROM (Motorola Compatible), 4K, 2-bit Block Protection |
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