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256-Kbit (32 K × 8) Serial (I C) nvSRAM with Real Time Clock
256-Kbit (32 K × 8) Serial (I2C) nvSRAM with Real Time Clock
CY14C256I CY14B256I, CY14E256I 2
Features
256-Kbit nonvolatile static random access memory (nvSRAM) ❐ Internally organized as 32 K × 8 ❐ STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using I2C command (Software STORE) or HSB pin (Hardware STORE) ❐ RECALL to SRAM initiated on power-up (Power-Up RECALL) or by I2C command (Software RECALL) ❐ Automatic STORE on power-down with a small capacitor ■ High reliability
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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 progr
CY14E256I Datasheet
