In this Design Idea, we’ve taught the classic 555 timer IC to consume zero current in its quiescent ... Figure 1 This simplified block diagram represents the internal circuitry of the 555 timer. The ...

Chris Gammell from the blog The amp hour and Analog Life is running a 555 timer IC design contest. EDN’s Mike Demler wrote ... to some of the true nature of some contests (yet another block of people ...

That led to a decrease of the required nine external pins to eight, enabling the IC to ... at the 555 timer's internal circuitry and indicate what each symbol means in the block diagram above ...