Patent ID: 6229328
Filing Date: 2001-05-08
Classification: G01R

Abstract:
Integrated circuit, havingdata inputs and outputs (Data (0), Data (1), Data (2), Data (3), DataO (0), DataO (1)), anda control input (ResetX) for receiving a first control signal for the purpose of switching the integrated circuit over between an operating state and a test state,wherein all of said data inputs and said control input constitute a set of inputs to said integrated circuit, all the inputs of said set of inputs are employed during said operating state, and a signal format employed with inputs of said input set during said test state is employed also during said operating state,wherein the integrated circuit has an identification circuit which is connected to the control input (ResetX), distinguishes between the first control signal and a second control signal and switches the integrated circuit over between the operating state and the test state as a function of the first control signal.