Take a look at the max233 cross-sections by @TubeTimeUS. It looks like a normal DIP integrated circuit, but it has four discrete capacitors in the IC package fo

Take a look at the max233 cross-sections by @TubeTimeUS. It looks like a normal DIP integrated circuit, but it has four discrete capacitors in the IC package for the charge pumps. https://twunroll.com/article/1286136812658806785# https://twunroll.com/article/1286136812658806785#