Before revision: The chip cost in 1977 amounted to less than US20.Popular Electronics Magazine, July 1977 The CDP1861 was manufactured in a low-power CMOS technology, came in a 24-pin DIP package, and required a minimum of external components to work.
After revision: HistoryThe chip cost in 1977 amounted to less than US20.Popular Electronics Magazine, July 1977 The CDP1861 was manufactured in a low-power CMOS technology, came in a 24-pin DIP package, and required a minimum of external components to work.