← Back to All Tools
555 Timer Circuit Calculator
Calculate output frequency, period, and duty cycle for NE555 timers in Astable (Oscillator) and Monostable (One-Shot Pulse) modes with live animated waveform visualization.
Configuration
NE555 DIP-8 Pinout Diagram
Output Characteristics
Oscillator Frequency
--
Hertz (Hz)
Duty Cycle
--
% High
Total Period (T)
-- ms
Time High (Th)
-- ms
Time Low (Tl)
-- ms
Simulated Output Square Waveform
Custom Engineering
Need Precision Clock Generation or Custom Oscillators?
From low-jitter PLL synthesis to micro-power quartz oscillators and discrete analog front-ends.
Speak to an Engineer →