

The Dallas DS1220 Non-Volatile RAM integrated circuit is for use with the...
CALIFORNIA WARNING
This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
The Dallas DS1220 Non-Volatile RAM integrated circuit is for use with the Ultimate MPU board.
It replaces the AA batteries and the 6116 chip and has an internal lithium battery that is rated for a minimum operation of 10 years. It won't leak and has an unlimited amount of read and write cycles.
At any time a board can be changed back to using a 6116 with AA batteries and vice versa.
Reference:
DS1220

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