CY14C512PA Datasheet | Cypress

CY14C512PA CY14B512PA CY14E512PA 512-Kbit (64 K × 8) SPI nv SRAM with Real Time Clock 512-Kbit (64 K × 8) SPI nv SRAM with Real Time Clock Features 512-Kbit nonvolatile static random access memory (nv SRAM) - Internally organized as 64 K × 8 - STORE to Quantum Trap nonvolatile elements initiated automatically on power-down (Auto Store) 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 Quantum Trap - 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 k Hz) - 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...