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 16 Kbits to 32 Mbits and are available in two types of packaging. You can choose between a fully integrated solution in a DIP package that includes a battery, or a surface mount SOIC package that allows for a SNAPHAT removable/replaceable battery.