FM25V20A-DGTR is a 2-Mbit (256K × 8) serial ferroelectric RAM (F-RAM) offering high-endurance nonvolatile memory with up to 1014 read/write cycles and 151-year data retention at 65°C. Operating from 2.0 V to 3.6 V and supporting SPI up to 40 MHz, it features NoDelay™ writes and low power consumption. Robust write protection, device ID, and industrial temperature range (–40°C to +85°C) suit frequent-write industrial and data collection applications.