Datasheet Summary
256-Kbit (32K × 8) Serial (SPI) F-RAM
256-Kbit (32K × 8) Serial (SPI) F-RAM
Features
- 256-Kbit ferroelectric random access memory (F-RAM) logically organized as 32K × 8
- High-endurance 100 trillion (1014) read/writes
- 151-year data retention (See Data Retention and Endurance on page 14)
- NoDelay™ writes
- Advanced high-reliability ferroelectric process
- Very fast serial peripheral interface (SPI)
- Up to 40-MHz frequency
- Direct hardware replacement for serial flash and EEPROM
- Supports SPI mode 0 (0, 0) and mode 3 (1, 1)
- Sophisticated write-protection scheme
- Hardware protection using the Write Protect (WP) pin
- Software protection using Write Disable instruction
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