Lpc2000

Actually, I calculate the lifetime at 1481 days:

128 writes * 10 sec/write => 1280 seconds per erase cycle
1280 * 100000 cycles => 128,000,000 seconds which is about 1481.48 days
This is about 4 years.

On 5/19/06, 42Bastian Schick <bastian42@...> wrote:
>
> Mukund Deshmukh schrieb:
> > I am using LPC2138 for industrial controller application.
> > I have no option but to use EEPROM for data storage of 256 byte at every
> 10
> > sec.
> > I am planning to use higher capacity 32Kb EEPROM and write 256 bytes all
> > over EEPROM, and once it is full, then erase entire EEPROM and start
> writing
> > again. This way I have to erase entire EEPROM after 128 write cycles.
> > My question is, will this enhance the life (100,000 cycles) of EEPROM by
> 125
> > times?
>
> If I calculate correct with 100k cycle, the EEPROM will wear out in
> 416days.
> So an EEPROM 128times larger seems to be to large :-)
> What livetime do you expect for your HW ?
>
> --
> 42Bastian
>
>
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>
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-- 
Jim Parziale
nuncio.bitis@...
Malden, MA


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