CY14C256Q

CY14C256Q CY14B256Q CY14E256Q 256-Kbit (32 K × 8) SPI nvSRAM Not Recommended for New Designs 256-Kbit (32 K × 8) SPI nvSRAM Features ■ 256-Kbit nonvolatile static random access memory (nvSRAM) internally organized as 32 K × 8 ❐ STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using SPI instruction (Software STORE) or HSB pin (Hardware STORE) ❐ RECALL to SRAM initiated on power-up (Power-Up RECALL) or by SPI instruction (Software RECALL) ❐ Support automatic STORE on power-down with a small capacitor (except for CY14X256Q1A) ■ High reliability ❐ Infinite read, write, and RECALL cycles ❐ 1million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 C ■ 40 MHz and 104 MHz High speed serial peripheral interface (SPI) ❐ 40 MHz clock rate SPI write and read with zero cycle delay ❐ 104 MHz clock rate SPI write and SPI read (with special fast read instructions) ❐ Supports SPI mode 0 (0,0) and mode 3 (1,1)...