Inside a 555!

[cjdelphi]

http://www.righto.com/2016/04/teardown-of-cmos-555-timer-chip-how.html?m=1

Some interesting info

 

[Harald Kapp]

Build your own from discretes.

 

[Herschel Peeler]

http://www.righto.com/2016/04/teardown-of-cmos-555-timer-chip-how.html?m=1

Some interesting info

Most excellent. Thanks for posting that.