CY14C064PA Datasheet | Cypress

CY14C064PA CY14B064PA CY14E064PA 64-Kbit (8 K × 8) SPI nv SRAM with Real Time Clock 64-Kbit (8 K × 8) SPI nv SRAM with Real Time Clock Features 64-Kbit nonvolatile static random access memory (nv SRAM) Internally organized as 8 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 mode Write protection Hardware protection using Write Protect (WP) pin Software protection using Write Disable instruction Software block protection for 1/4, 1/2, or entire array Low power consumption Average active current of 3 m A at 40 MHz operation Average standby mode current of 250 µA Sleep mode current of 8 µA Industry standard configurations Operating voltages: - CY14C064PA : VCC = 2.4 V to 2.6 V - CY14B064PA : VCC = 2.7 V to 3.6 V - CY14E064PA : VCC = 4.5 V to 5.5 V Industrial temperature 16-pin small outline integrated circuit (SOIC) package Restriction of hazardous substances (Ro HS) pliant Overview The Cypress CY14X064PA bines a 64 Kbit nv SRAM[1] with a...