CY14MB256J Datasheet | Cypress

CY14MC256J CY14MB256J CY14ME256J 256-Kbit (32 K × 8) Serial (I2C) nv SRAM 256-Kbit (32 K × 8) Serial (I2C) nv SRAM Features - 256-Kbit nonvolatile static random access memory (nv SRAM) - Internally organized as 32 K × 8 - STORE to Quantum Trap nonvolatile elements initiated automatically on power-down (Auto Store) or by using I2C mand (Software STORE) or HSB pin (Hardware STORE) - RECALL RECALL) to or SRAM initiated on power-up (Power-Up by I2C mand (Software RECALL) - Automatic STORE on power-down with a small capacitor (except for CY14MX256J1) - High reliability - Infinite read, write, and RECALL cycles - 1 million STORE cycles to Quantum Trap - Data retention: 20 years at 85 C - High speed I2C interface[1] - Industry standard 100 k Hz and 400 k Hz speed - Fast-mode Plus: 1 MHz speed - High speed: 3.4 MHz - Zero cycle delay reads and writes - Write protection - Hardware protection using Write Protect (WP) pin - Software block protection for one quarter, half, or entire array - I2C access to special functions - Nonvolatile STORE/RECALL - 8 byte serial number - Manufacturer ID and Product ID - Sleep mode - Low power consumption - Average active current of 1 m A at 3.4-MHz operation - Average standby mode current of 150...