DS12887 pcb substitute with battery

Chuck Guzis cclist at sydex.com
Mon Jan 23 13:39:53 CST 2017

On 01/23/2017 09:04 AM, Jon Elson wrote:

> Well, it doesn't really matter.  If you can find one of the "really
> old" ones, the battery can be replaced and you are good for 5 years
> or so. There must be TONS of these old clock/RAM chips out there, and
> somebody must have saved a few.

Probably being sold on eBay as NOS. ;)

Reminiscent of the time when I ran across a seller offering a deal on
some bipolar PROMs.  When I asked about the history of the parts, he
said that they were pulls, but he'd checked them out and they worked fine.



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