CY14E064PA, CY14B064PA Datasheet (Cypress Semiconductor)

CY14E064PA, CY14B064PA, 64-Kbit (8 K x 8) SPI nvSRAM

9 Status Register 10 Read Status Register (RDSR) Instruction 10 Fast Read Status Register (FAST_RDSR) Instruction 10 Write Status Register (WRSR) Instruction 10 Write Protection and Block Protection 11 Write Enable (WREN) Instruction 11 Write Disable (WRDI) Instruction 12 Block Protection 1

CY14E064PA Features

* 64-Kbit nonvolatile static random access memory (nvSRAM) Internally organized as 8 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