A device for evaluating the time of propagation of the signals to the inside of an integrated circuit.

摘要

The invention relates to a device for evaluating a coefficient representing the signal propagation time within an integrated circuit, characterised in that it comprises: - means (12) for applying a variable delay to a first signal (11), the said variable delay consisting of a variable number of elementary delays, the said application means (12) delivering a delayed signal (13); - means (14) for checking the number of elementary delays forming the said variable delay, so that the duration of the said variable delay is substantially equal to a predetermined reference duration; the said coefficient being substantially proportional to the said number of elementary delays. IMAGE