In an embodiment a timing system includes a master timing device including a master oscillator stage configured to receive a reference signal and to generate a first main clock signal frequency-locked with the reference signal, a master timing stage including a master counter configured to update value with a timing that depends on the first main clock signal, the master timing stage configured to generate a first local clock signal of a pulsed type, a timing of pulses of the first local clock signal being controllable by the master counter and a master synchronization stage configured to generate a synchronization signal synchronous with the first local clock signal, wherein the synchronization signal includes a corresponding pulse for each group of consecutive pulses of the first local clock signal formed by a number (N) of pulses, and a slave timing device including a slave oscillator stage configured to receive the reference signal and to generate a second main clock signal frequency-locked with the reference signal, a slave timing stage and a slave synchronization stage.