From SRAM to FRAM......advice needed
- From: "Robb" <weiner@xxxxxxxxxx>
- Date: Sun, 26 Nov 2006 18:26:23 +0800
For a new design I'm thinking of using FRAM instead of the SRAM for data
storage in a redesign of one of in our products.
The FRAM looks good in terms of its non-volatility (10 yrs) and is available
with serial or parallel interfaces, speed is acceptable - we don't need
"fast".
Our products are battery powered and use the main battery & a smaller Li
backup battery to retain data in SRAM memory.
We'd probably use multiple ICs to achieve 1Mx8bit storage. Our volume is
around 300 units per annum.
It worries me a bit that we'd be depending on a single source supply -
Ramtron seems to be the only manufacurer, is there a reason why?
Has anyone any experiences / gotchas that I'm not considering?
regards
rob.
.
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