1. Scales
Flip-flops are elementary memory operators. Their current state, determined by the state of the outputs, is a function of the inputs and the previous state of the outputs. We present the various flip-flops based on logic gates. These flip-flops, which operate solely on logic principles, are referred to as static.
1.1 Bistable
The circuit shown in figure 1 consists of two inverters in series. Figure 2 gives the static characteristics S 1 (E ) and S 2 (E ) of the outputs S ...
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Scales
Synchronous counters and PLCs
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