Well, maybe we can consider a vacuum tube as an IC, at least some of = them has functions like a bunch of diodes and a triode in the same = "chip".=20 Attila Muhi - SM4RAN -----Ursprungligt meddelande----- Fr=E5n: Sean H. Breheny Till: PICLIST@MITVMA.MIT.EDU Datum: den 28 februari 2002 07:38 =C4mne: Re: [OT]: Old Chips was [PIC]: Potato Powered PIC? >So far, Vern takes the award for the earliest ICs :-) > >It's great to see the replies already! I am probably one of the = youngest >listmembers (born in 1980) but this old stuff really fascinates me. I = got >my stock of "old chips" from a copier repair facility that was clearing = out >its old stock. There was some _really_ old stuff in there, including = nixie >tubes. It is interesting to see some of the technology that was used in >these copiers, office calculators, etc. Occasionally I use some of = these >old ICs. It is interesting to see a breadboard with a PIC next to a = 7400 >from 1971! > >I have several boards from them with ICs on them which have FOUR rows = of >pins. They are like a plastic DIP package except that the row of pins >coming out each side splits into an outer and an inner row of vertical >pins. I have all this stuff back at my parents' house so I can't look = at >the numbers on them now, but any idea what that package was called and = in >what date range it was used? Must have been fairly late as these boards >look highly integrated (looks like a CPU, RAM, and ROM), so my guess = would >be late seventies but I'm unsure. > >Sean > >At 09:16 PM 2/27/02 -0800, you wrote: >>All, >> >>I have some Fairchild RTL 914s, Single, Dual input OR gates, and RTL >>923s, JK Flip flops(1 per IC) >> >>from about 1967...these were in a plastic package with 8 leads. >> >>Vern > >---------------------------------------------------- >Sign Up for NetZero Platinum Today >Only $9.95 per month! >http://my.netzero.net/s/signup?r=3Dplatinum&refcd=3DPT97 > >-- >http://www.piclist.com hint: The PICList is archived three different >ways. See http://www.piclist.com/#archives for details. > > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.