He actually published a book on analog circuit design, which is freely available here: http://www.designinganalogchips.com/_count/designinganalogchips.pdf http

He actually published a book on analog circuit design, which is freely available here: http://www.designinganalogchips.com/_count/designinganalogchips.pdf http://www.designinganalogchips.com/_count/designinganalogch... In one of the later chapters he introduces an updated NE555 design.