The main function of each foot (the comprehensive block diagram is as follows)

1 ground GND

2 trigger

3 output

4 reset

5 control voltage

6 threshold (threshold)

7 emissions

8 power supply voltage Vcc

It is widely used and can be installed with the following circuits:

1。 monostable circuit

Functions: fixed delay, jitter elimination, frequency division (multiplexing), pulse output, rate detection, etc.

2。 Bistable circuit

Functions: comparator, latch, inverter, square wave output and shaping.

3。 Unstable circuit

Functions: square wave output, power conversion, audio alarm, toys, electronic control measurement, timing, etc.