Many of us could sit down at the bench and whip up a 555 circuit from memory. It’s really not that hard, which is a bit strange considering how flexible the ubiquitous chip is, and how many ways it can be wired up. But when was the last time you sat down and really thought about what goes on inside that little fleck of silicon?
This is a companion discussion topic for the original entry at https://hackaday.com/2024/02/17/back-to-basics-with-a-555-deep-dive/