Click to expand full text
FM25L04B
4-Kbit (512 × 8) Serial (SPI) F-RAM
4-Kbit (512 × 8) Serial (SPI) F-RAM
Features
■ 4-Kbit ferroelectric random access memory (F-RAM) logically organized as 512 × 8 ❐ High-endurance 100 trillion (1014) read/writes ❐ 151-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 20 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 ❐ Software block protection for 1/4, 1/2, or entire array
■ Low power consumption ❐ 200 A active current at 1 MH