555 Timer
Official
Analog
·
Generic — 555
·
Curated by CircuitSim
·
Used in 3 public circuits
Details
Manufacturer
Generic
Part number
555
Pins
8
Used in
3 circuits
Added
May 2026
About this component
Generic 8-pin 555 timer macro-model for astable, monostable, pulse generation, and timing applications.
Pins
Pins
8 pins
NumberNameDescription
1
CTRL
Control-voltage input for the internal threshold reference.
2
DISCH
Discharge-transistor node for the timing network.
3
GND
Ground and negative supply reference.
4
OUT
Timer output.
5
RESET
Active-low reset input; hold high for normal operation.
6
THRESH
Threshold input that resets the timer latch.
7
TRIG
Trigger input that sets the timer latch.
8
VCC
Positive supply input.
Public circuits using this component
Circuits
3 circuits
Circuit nameCreated byLast updated
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