Method and apparatus for determining the relationship between a RC time constant in an integrated circuit and a target value

The invention relates to a method and a device for determining the ratio of the RC time constant of at least one RC element in an integrated circuit to a target value using a first reference RC element with a first resistor and a first capacitor and a second reference RC element with a second resistor and a second capacitor that is opposite between a first and a second supply potential are connected, wherein the product of resistance value and capacitance value of the two terms is the same.