General > General Technical Chat
Long, long, ago
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Benta:

--- Quote from: eugene on July 04, 2022, 09:41:00 pm ---TMS1000?

--- End quote ---
Isn't that a mask-programmed microcontroller?
artag:
Yeah, it was ZN1034, thanks. The others could be useful too.
Benta:
Apart from MC14541, the others are obsolete.
eugene:

--- Quote from: Benta on July 04, 2022, 10:06:13 pm ---
--- Quote from: eugene on July 04, 2022, 09:41:00 pm ---TMS1000?

--- End quote ---
Isn't that a mask-programmed microcontroller?

--- End quote ---

Yeah. I was reaching a little, thinking that even as primitive as it was, it could probably be programmed to output square waves or pulses with a comparatively long period. The fact that it was mask programmable would make it a challenge to actually use.
jonpaul:
First transistors CK722 PNP Geranium.....Raytheon ?

think I bought one for $20 perhaps 1957?

https://en.m.wikipedia.org/wiki/CK722

Jon
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