FM25W256 - Cypress Semiconductor

FM25W256 256-Kbit (32K x 8) Serial (SPI) F-RAM

FM25W256 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 the Data Retention and Endurance table) ❐ NoDelay™ writes ❐ Advanced high-reliability ferroelectric .

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 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
❐ So.