Extreme ElectronicsWhat is your favorite 4000 series CMOS chip ?
Ray McCarthy@Extelec
It was the 4046 PLL for a while then the 4066 Quad switch.
Maybe now the 4069U unbuffered Hex inverter as it can be an amp or osc up to 18V.
Long ago I switched to 74HC logic instead of slow 4000 series.