4Kbit FRAM Ferroelectric Memory: Capacity 4Kbit (512×8bit), I2C serial interface, up to 1MHz clock, high-speed random read/write, no EEPROM/Flash page erase delay. Trillion-cycle ultra-high read/write endurance: Single-byte erase/write cycles up to 10¹² times, far exceeding ordinary EEPROM; data retention up to 200 years at room temperature, no data loss upon power failure. Wide voltage adaptation: Operating voltage 3.0V~5.5V, simultaneously compatible with 3.3V and 5V main control systems; low power consumption design, operating current 90μA, standby only 5μA, suitable for battery-powered devices. Industrial-grade reliability: Operating temperature range -40℃ ~ +85℃, SOP-8 surface mount package, tape and reel packaging, convenient for SMT mounting and soldering. Wide application scenarios: Used in industrial control, smart meters, sensor nodes, portable devices, medical electronics; original chip, Datasheet available for download.