Well I have couple hundred of them ;). I tend to design boards to host the chips I've spent a lot to acquire. I can pop a few in the mail. I WS thinking they'd be findable on ebay.
TC551001 of A or B or C would work. Steve On Monday, August 1, 2016, Atsushi Takahashi <[email protected]> wrote: > HI Steve, > > I’m having a little trouble finding the TC551001 RAM chips :-( From looking at the photo ( http://bitchin100.com/wiki/index.php?title=File:QUAD2.jpg), I believe the package I need for the QUAD boards is the TSOP and not the SOP32. I have found a bunch of DIP and SOP versions but not TSOP so far. Any hints? Or do they just appear on e-bay every now and then? > > Atsushi > > > > On Jun 16, 2016, at 4:52 PM, Stephen Adolph <[email protected]> wrote: > >> thanks for the offer, a write up on bitchin100 would be great! >> >> http://www.ebay.com/itm/5x-40-pin-1-row-0-1-PCB-Male-Machined-Round-Header-DE1557-/310891410876?hash=item48629275bc:g:Fz0AAOSw-jhUHNTp >> >> these would work for pins.. >> >> >> >> On Thu, Jun 16, 2016 at 4:14 PM, Atsushi Takahashi <[email protected]> wrote: >>> Dear Steve, >>> >>> I’m excited that you released the QUAD PC board! I’m a new Model 100 owner >>> with a long history going back to the S-100 bus days. Most of the components >>> on the board are in the photo on the QUAD web page but I was wondering what >>> capacitors and resistor values are needed: 0.1uF bypass caps? 10k pull-up? >>> >>> This looks like the rest: >>> 74AC02 (Quad 2 input NOR gate) >>> 74AC74 (dual flip flop) >>> 74AC573 (8 bit latch) >>> TC551001AFTL-10L (memory) >>> BAV70 (pair of diodes) >>> >>> Will the machined pins someone posted a few weeks ago work? >>> http://www.king-cart.com/phoenixent/product_name=HWS5231 >>> >>> If I successfully build one, I’ll write up instructions so you can post them >>> on your site (if you want)... >>> >>> Atsushi >>> >>> >>> >>> >>> On Jun 16, 2016, at 3:18 PM, Brian White <[email protected]> wrote: >>> >>> What, the rex 4 boards? Don't worry about that. Unless you actually want >>> them for something? I'll mail them to you just a favor if you have some use >>> for them, but I don't care about the $6. >>> >>> I don't have them yet. Probably another week. >>> >>> -- >>> bkw >>> >>> On Jun 16, 2016 12:29 PM, "Stephen Adolph" <[email protected]> wrote: >>>> >>>> I can buy those from you. >>>> >>>> On Thu, Jun 16, 2016 at 12:29 PM, Stephen Adolph <[email protected]> >>>> wrote: >>>>> sorry... >>>>> >>>>> On Thu, Jun 16, 2016 at 12:26 PM, Brian White <[email protected]> >>>>> wrote: >>>>>> Thanks for the heads up. I hadn't bought any other parts yet and the >>>>>> boards >>>>>> themselves are only $6 for 3. No big. >>>>>> >>>>>> -- >>>>>> bkw >>> >>> > >
