ST's Non-Volatile RAM (NVRAM) products
protect data, even in the absence of power, and have fast
RAM write speeds with unlimited endurance.
ZEROPOWER® devices range from 16Kbits
to 32Mbits, while TIMEKEEPER® products
include non-volatile Real-Time Clocks (RTCs) and range from
1Kbit to 4Mbits. TIMEKEEPER Supervisors offer customizable functions such as RTC,
POR/LVD, Early Power-Fail Warning, Battery Monitor, Battery
Switchover, and Write Protection.