7167Re: [cosmacelf] Membership card Rev. B
- Oct 11, 2010On 10/10/2010 10:11 PM, timgreenowb wrote:
> I got my membership card last night! I've already tried my firstYeah, the 1802 and RAM are packed tight end-to-end, and still barely fit
> mod. My card came with 8K Ram(HM6264). I just happen to have a
> Dallas Semiconductor DS1225 in my parts box. Its a pin compatible
> nonvolatile Ram chip. Its supposed to be guaranteed for 10 years. I
> got mine from some junk equipment at work so I don't know how old it
> is already.
> The only problem I've had so far with the DS1225 is it doesn't really
> fit in the socket pins. I had to file the end of the 1802 a little
> to get it to fit.<:-o Its also too tall for the Altoids tin. But I
> have a pipe tobacco tin I'm going to use anyway.
in the Altoids can. The DS1225 has a coin cell stuck on top of it, which
adds to the height, and there is none to spare.
RAMtron makes nonvolatile ferroelectric RAMs that are the same size as a
regular RAM chip. I haven't tried one, but they are a possibility.
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