But, is it the TSOP package??? On Aug 1, 2016, at 1:22 PM, Stephen Adolph <[email protected]> wrote:
> 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 > >>> > >>> > > > >
