At 11:57 AM 3/25/96 +0700, you wrote:
>hi all,
>I want to backup SRAM6264 and RTC, but I fail to keep my data for a long
>time. After I checked, the battery voltage was drop below 2 volt in 2 days.
>

Hi,

Have you considered using a non-volatile ram controller such as the
Dallas DS1210 or similar parts.  This part might help in limiting current
draw from the battery.

Steve
--
Steve Budde
e-mail: sbudde@siu.edu
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