@irenes this website says it was the first spaceflight computer to use CMOS https://www.allaboutcircuits.com/news/voyager-mission-anniversary-computers-command-data-attitude-control/
@irenes oh, the CCS is using plated-wire memory. which seems like an advanced form of core memory https://en.wikipedia.org/wiki/Voyager_program#Computers_and_data_processing