Re: TI-H: .5 Meg Expander Chips for sale


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Re: TI-H: .5 Meg Expander Chips for sale



>Granted National Semiconductor does not make the chips any longer.  However,
>I am not sure of the name of the company, but the most recent Digikey catalog
>has a new listing of EEPROM chip manufacturers.  A 1 meg chip is $32 unless 
>bought in bulk.  The advantage to this, though, is that they have chips that
>are 2, and I think 4 megs.  They list all sizes in bits, of course, but their
>listing definately states that they go up to at least 16Mb.
>
>I am trying to make an Expander/Clone out of these new chips.  If anyone wants
>to figure out if the protocol is the same, then I could help with some of the
>stuff.  I can also help write new software if that is needed.  

Those chips are parallel access, which means that they will require a
dedicated microcontroller in order to use them.  They are 100%
different than the ESF chips, and cannot even remotely be compatible.


-Mel


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