CAT28C257 is a fast, low power, 5V-only CMOS Parallel E2PROM organized as 32K x 8-bits, supports 100,000 program/erase cycles and has a data retention of 100 years.
The Catalyst CAT28C257 is a 256K-bit CMOS parallel EEPROM organized as 32K x 8-bits. It is designed for in-system programming with a simple interface, utilizing on-chip address and data latches. The device supports commercial, industrial, and automotive temperature ranges and is available in 28-pin DIP, 28-pin TSOP, and 32-pin PLCC packages.
| Memory Organization | 32K x 8-bits |
|---|---|
| Endurance | 100,000 Program/Erase Cycles |
| Data Retention | 100 Years |
| Operating Voltage | 5V |
| Max Active Current | 25 mA |
| Max Standby Current | 150 nA |
| Max Write Cycle Time | 5ms |
| Max Page Write Size | 128 Bytes |
The device has a data retention of 100 years.
The device is available in JEDEC approved 28-pin DIP, 28-pin TSOP or 32-pin PLCC packages.
Yes, the CAT28C257 features both hardware and software write protection.