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Member's Forum Wat is the oldest chip in your parts bin?
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Forum Thread Details
  • Replies 45 replies
  • Subscribers 549 subscribers
  • Views 4542 views
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  • MC6800
  • 2708
  • z80
  • old ICs
  • old chips
Related

Wat is the oldest chip in your parts bin?

dougw
dougw over 2 years ago

I came across some old and famous chips in one of my parts cabinets. Does anybody else keep old chips? and why?

Note that these were pretty expensive when they were purchased, especially the gold plated ceramic chips.

I expect most of these are part numbers that everyone has heard of.

Have you designed with any of these famous chips?

Brownie points if you can figure out the date codes.

image

image

What chips are buried in your archives?

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Top Replies

  • ralphjy
    ralphjy over 2 years ago +8
    I used to design with a lot of Signetics parts in the 70's. I've got one of the early 555 parts. Shown here with a 566 VCO and 5556 opamp. I probably have some of the 56x series PLLs around somewhere…
  • baldengineer
    baldengineer over 2 years ago +6
    I was excited because I thought I'd have a real contender. But, today is the first time I ever looked the date code, which is on the bottom. It's from a run in 1980. So I probably have MOS 6502 chips…
  • Jan Cumps
    Jan Cumps over 2 years ago +6
    oldest I had: image source . I don't have that kit anymore.
Parents
  • scottiebabe
    scottiebabe over 2 years ago

    The old chips I have, have maybe a few dozen transistors each... basic analog, basic digital logic gates. 

    Your chips are pretty fancy.

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  • scottiebabe
    scottiebabe over 2 years ago in reply to scottiebabe

    I wish I had an LM109/LM309 more closely related to https://en.wikipedia.org/wiki/Bob_Widlar 

    image

    Random TLL inverter

    image

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  • DAB
    DAB over 2 years ago in reply to scottiebabe

    I will search my stash, we might get lucky.

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Reply
  • DAB
    DAB over 2 years ago in reply to scottiebabe

    I will search my stash, we might get lucky.

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