CY14B256KA Datasheet | Cypress

256 Kbit (32K x 8) nvSRAM with Real Time Clock Features - - 256 Kbit nvSRAM - 25 ns and 45 ns access times - Internally organized as 32K x 8 (CY14B256KA) - Hands off automatic STORE on power down with only a small capacitor - STORE to QuantumTrap nonvolatile elements is initiated by software, hardware, or AutoStore on power down - RECALL to SRAM initiated on power up or by software - High Reliability - Infinite Read, Write, and RECALL cycles - 1 Million STORE cycles to QuantumTrap - 20 year data retention - Real Time Clock - Full featured Real Time Clock - Watchdog timer - Clock alarm with programmable interrupts - Capacitor or battery backup for RTC - Backup current of 0.35...