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Old 14th Oct 2021, 9:31 am   #20
lesmw0sec
Octode
 
Join Date: Jul 2009
Location: Carmel, Llannerchymedd, Anglesey, UK.
Posts: 1,498
Default Re: Interesting Vintage TTL Logic IC Problem

Thanks for the mention - I'll pass on the doll! I recall when 7490s became available. We were amazed that a bit of plastic could divide by 10 - it certainly beat a card full of bistable transistor circuits!
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