The FM3164-G is a 64-Kbit processor companion with ferroelectric random access memory (F-RAM), organized as 8K × 8 and supporting 100 trillion read/write cycles. It offers 151-year data retention, NoDelay™ writes, and a real-time clock/calendar with battery or capacitor backup. Integrated supervisor, watchdog timer, dual 16-bit event counters, power-fail comparator, and lockable 64-bit serial number enhance reliability.