Working principle circuit diagram of RS trigger

Published:2011/7/29 2:39:00 Author:Ecco | Keyword: Working principle , RS trigger | From:SeekIC

Figure shows the connection diagram,in which 555 is used as RS flip-flop. If removing the control voltage of control end of pin 5, adding a negative, positive control pulse to pin 2, pin 6 respectively, it will form a RS trigger circuit while 555 does not need any external components. R is the reset to control pin 6 of input terminal, also known as the threshold terminal (TH); S is the setting end to control pin 2 of input terminal, that is setting trigger T side. The interior of the output side (pin 3)is actually a push-pull output, so the low output is only 0.3V, high level closes to VDD, it has a strong load capacity; discharge end (pin 7) is the collector open (OC) or open-drain (OD) output.



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