Re: Genuine DS1210 NVRAM controllers
My own preference is to use the MAX818L, still a current part, the SOP-8 package is the cheapest option and not too difficult to hand solder. This also provides a reset circuit and the watchdog input can be used for a manual reset switch, the watchdog input has to be held low for 1.6 seconds, but this helps to avoid accidental resets.
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