Yep, the Soviets had a whole parallel system of all the necessary integrated circuits and other parts: http://www.righto.com/2020/03/looking-inside-vintage-sov

Yep, the Soviets had a whole parallel system of all the necessary integrated circuits and other parts: http://www.righto.com/2020/03/looking-inside-vintage-soviet-ttl-logic.html#fn:system http://www.righto.com/2020/03/looking-inside-vintage-soviet-... https://en.wikipedia.org/wiki/Soviet_integrated_circuit_designation https://en.wikipedia.org/wiki/Soviet_integrated_circuit_desi...