Will Cooke via cctalk wrote: > Digikey has the part listed ($166 each) and their page has a link to the > datasheet that seems to have the pga package: > > Digikey > https://www.digikey.com/en/products/detail/rochester-electronics-llc/49C402GB/12112112 > > Direct to Datasheet > https://rocelec.widen.net/view/pdf/rbdjetrmoo/IDTIS12976-1.pdf?t.download=true&u=5oefqw > > Will
No Will, those datasheets are not listing the pinout of the PG84 version. ..but in the Meantime I've found an Datasheet that lists it, put it on my Webspace: https://www.tiffe.de/htdocs/other/IDT49C402.pdf Kind Regards, Holm > > > > On 03/07/2025 4:04 PM EST Wayne S via cctalk <[email protected]> wrote: > > > > > > Try here. > > Might have to create an account. > > <https://www.jotrin.com/product/parts/49C402BG84> > > IDT - 49C402BG84<https://www.jotrin.com/product/parts/49C402BG84> > > jotrin.com<https://www.jotrin.com/product/parts/49C402BG84> > > [favicon.ico]<https://www.jotrin.com/product/parts/49C402BG84> > > > > Sent from my iPhone > > > > On Mar 7, 2025, at 12:42, Holm Tiffe via cctalk <[email protected]> > > wrote: > > > > Hi all, > > > > I'm dreaming to build sometimes my own Bit Slice CPU (when I have spare > > time) > > and I have collected several IC's in the last years for this purpose. > > > > Today a small antistatic bag with 4x IDT49C402BG84 and two IDT 49C410J > > fell in my hands while I was sorting some stuff. > > > > I know what they are and what they could do, they are able to help me > > to build a Bit Slice CPU w/o very large PCB's connecting hordes of 2901 etc. > > Besides of that they are CMOS and should draw much less power. > > But I have a problem with the 49C402: All datasheets that I could find > > until now, don't have the pinput auf that nice PGA84 package, there are > > DIP68, LCC/PLCC68 G68 or PG68 and QE68 "Cerquad" pinouts listet in every > > datasheet, but I have 4 chips in a PGA84 housing... > > > > This ebay page has pictures: https://www.ebay.com/p/10020043211 > > I don't have anything todo with the seller. > > > > Can anyone help finding the pinout? > > The chips itself don't seem to that seldom... > > > > Kind Regards, > > Holm > > -- > > Technik Service u. Handel Tiffe, www.tsht.de, Holm Tiffe, > > Goethestrasse 15, 09569 Oederan, USt-Id: DE253710583 > > [email protected] Tel +49 37292 709778 Mobil: 0172 8790 741 > > You just can't beat the person who never gives up. > Babe Ruth -- Technik Service u. Handel Tiffe, www.tsht.de, Holm Tiffe, Goethestrasse 15, 09569 Oederan, USt-Id: DE253710583 [email protected] Tel +49 37292 709778 Mobil: 0172 8790 741
