Variable load circuit for variable signal transmission circuit, responds to control signal resulting from switch-on by variably coupling signal line to signal node via meltable fuse and capacitor

摘要

The circuit has a capacitor (14) and a load control circuit (12) with a meltable fuse (13a) in series with a switching element. The load control circuit responds to a control signal by variably coupling the signal line (11a) to a signal node (VSS) via the fuse and capacitor. A control signal generator circuit (15) is coupled to the load control circuit and generates the control signal in response to a switch-on detection signal, from a circuit that produces the signal in response to the application of a supply voltage to the integrated circuit (IC). An Independent claim is also included for a variable signal transmission circuit and for a method of controlling signal transmission on a signal line of an IC.