FM25640B Description
FM25640B 64-Kbit (8 K × 8) Serial (SPI) Automotive F-RAM 64-Kbit (8 K × 8) Serial (SPI) Automotive F-RAM.
FM25640B Key Features
- 64-Kbit ferroelectric random access memory (F-RAM) logically organized as 8 K × 8
- High-endurance 10 trillion (1013) read/writes
- 121-year data retention (See the Data Retention and Endurance table)
- NoDelay™ writes
- Advanced high-reliability ferroelectric process
- Very fast serial peripheral interface (SPI)
- Up to 4 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