555 Bistable Multivibrator circuit acts as a basic flip-flop. The Output will stable in two states: output high and output low. The switching of the output waveform is achieved by controlling the Trigger and Reset inputs which are held "HIGH" by the two pull-up resistors, R1 and R2. By taking the Trigger input (pin 2) "LOW", switch in Set position, changes the output state into the "HIGH" state and by taking the Reset input (pin 4) "LOW", switch in Reset position, changes the output into the "LOW" state. This 555 timer circuit will remain in either state indefinitely and is therefore bistable. Then the Bistable 555 timer is stable in both states, "HIGH" and "LOW".
Skema Rangkaian 555 Bistable Multivibrator Note:
- Trigger (555 pin 2) makes the output high, Trigger is 'active low', it functions when <>
- Reset (555 pin 4) makes the output low. Reset is 'active low', it resets when <>
- The power-on reset, power-on trigger and edge-triggering circuits can all be used as described above for the
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