The FM22L16-55-TGTR is a 4-Mbit (256K × 16) nonvolatile ferroelectric RAM (F-RAM) in a 44-pin TSOP II package with 55 ns access time and SRAM compatibility. It operates from 2.7 V to 3.6 V across –40°C to +85°C, with typical active current of 8 mA and standby current of 90 μA. Endurance of 100 trillion read/write cycles and up to 151 years data retention at 65°C eliminate battery-backed SRAM concerns.