CY14E512PA

CY14C512PA CY14B512PA CY14E512PA 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock Features 512-Kbit nonvolatile static random access memory (nvSRAM) ❐ Internally organized as 64 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) ❐ Automatic STORE on power-down with a small capacitor ■ High reliability ❐ Infinite read, write, and RECALL cycles ❐ 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 C ■ Real time clock (RTC) ❐ Full-featured RTC ❐ Watchdog timer ❐ Clock alarm with programmable interrupts ❐ Backup power fail indication ❐ Square wave output with programmable frequency (1 Hz, 512 Hz, 4096 Hz, 32.768 kHz) ❐ Capacitor or battery backup for RTC ❐ Backup current of 0.45 µA (typical) ■ 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 read (with special fast read instructions) ❐ Supports SPI mode 0 (0,0) and mode 3 (1,1) ■ SPI access to special functions ❐ Nonvolatile STORE/RECALL ❐ 8-byte serial number ❐ Manufacturer ID and Product ID ❐ Sleep mode ■ ■ Write protection ❐ Hardware protection using Write Protect (WP) pin ❐ Software protection using Write Disable instructio...