ricardo ricardo

Vcc x Vbat external SRAM switching

Discussion created by ricardo ricardo on Sep 29, 2008
Latest reply on Oct 1, 2008 by ricardo ricardo
I need to keep my data in SRAM stored when Vcc goes down/up, by backuping the SRAM by a CR2032.
Is there some reasonable price  solution for this?like a ASIC device?
In the past I had some problem due to this switching...that time the asics costed almost the  RAM price!!...
Ricardo Raupp