If you want to see a REAL 'hollow state' IC, check this one out, a complete radio in a bottle, from 1926..... http://www.netcomuk.co.uk/~wwl/loewe.html On Thu, 28 Feb 2002 09:23:21 +0100, you wrote: >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.