I'm definitely down for a couple if you are adding up the requests. Chris
On Sat, Mar 17, 2018 at 2:40 PM, Francesco Messineo < [email protected]> wrote: > Hi Mike, > I will surely build some modules if there're requests. Of course > shipping overseas (and getting the parts for me) is expensive, so the > modules get a "good" (imho) price if I can ship let's say 6 modules > (at least) to a single address overseas. > In the past I've been asked to make batches of 9-12 modules and the > price was around euro 18-20 per module, depends on the price of the > parts I need + shipping to me (which is almost always from USA, since > I couldn't find either the Batten & Allen pins I was using on the > first batches nor the Milli-Max pins I'm using lately). > Normal snail mail from USA to Italy takes about 1 month, but it never > was lost so far (and it's been years that I get parts from USA). > > Frank > > On Sat, Mar 17, 2018 at 8:35 PM, Mike Stein <[email protected]> wrote: > > Thank you very much, Frank! > > > > From your posts here and elsewhere I assumed you weren't particularly > interested in building and selling these, but if you do, then by all means > let us know what the cost would be. > > > > However, having just sent something to Italy which, as you know, hasn't > even arrived yet, I suspect postage would be an issue). > > > > m > > > > ----- Original Message ----- > > From: "Francesco Messineo" <[email protected]> > > To: <[email protected]> > > Sent: Saturday, March 17, 2018 5:36 AM > > Subject: Re: [M100] 8K RAM Chip > > > > > >> Hi Mike, > >> > >> On Fri, Mar 16, 2018 at 6:00 PM, Mike Stein <[email protected]> > wrote: > >>> Hi Frank, > >>> > >>> Any chance you'd share the PCB files for your RAM modules so we can > build some? > >> > >> the gerbers are attached. Don't blame me if the modules don't work as > >> expected, obtaining the lowest current drain is also a matter of > >> correct cleaning after assembling them. > >> I can make batches of built and tested modules both for ram errors and > >> current drain in standby if there's enough demand. Everybody who had > >> my modules seems satisfied so far. > >> The ICs are your favourite 8kx8 SRAM (with low standby current option > >> and two opposite polarity chip select pins) and a 74HC86. Do not use > >> HCT or AC or anything else if you care about standby current. > >> The 1206 pads are (obviously) for a couple of 100nF caps as overkill > >> DC decoupling. > >> Frank > >> >
