CY15B104Q 4-Mbit (512 K × 8) Serial (SPI) F-RAM 4-Mbit (512 K × 8) Serial (SPI) F-RAM Features ■ 4-Mbit ferroelectric random access memory (F-RAM) logically organized as 512 K × 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 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 ❐ Soft...

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