Click to expand full text
512-Kbit (64 K × 8) Serial (I C) nvSRAM
512-Kbit (64 K × 8) Serial (I2C) nvSRAM
CY14C512J CY14B512J, CY14E512J 2
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 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 (except for CY14X512J1) ■ High reliability Infinite read, write, and RECALL cycles 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 C 2 ■ High speed I C interface ❐ Industry standard 100 kHz and 400 kHz speed ❐ Fast-mode Plus: 1 MHz speed ❐ Hi