FRAM Ferroelectric RAM, TI branding
TI's marketing term for FeRAM (same tech) — popular in their MSP430 FRAM MCUs for ultra-low-power battery IoT.
Write energy: ~100× lower than flash. Endurance: 10¹⁴ write cycles (vs flash's ~10⁵). No erase cycle (byte write direct). Use cases: smart meters, blood glucose monitors, battery-powered sensors expected to survive 10+ years. TI dominates the segment since ~2010.