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US 6,476,658 B2Granted
Circuit configuration with protection device
AssigneeInfineon Technologies AG
InventorAndre Schäfer
Life of this patent
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Abstract
The circuit configuration, in particular a DRAM element, has a protection device for suppressing the formation and/or emission of a reflection signal caused by a received supply input signal. An active signal matching device is provided, with which it is possible to prevent the formation of a reflection signal by using the input signal.
Claims16
A circuit configuration, comprising:
- an input line device;
- an input region connected to said input one device for receiving via said input line device an electrical input signal;
- a protection device in said input region for at least partially suppressing one of a formation and an emission of a reflection signal caused by the electrical input signal, said protection device having an active, controlled compensation device configured to generate and superimpose a compensation signal on the reflection signal being formed;
- and
- a control device connected to and controlling said compensation device, said control device being connected to receive at least one controlled variable selected from the group consisting of a voltage and a current, for controlling said compensation device, said control device being connected to said input line device for receiving therefrom the controlled variable.
2 more elements
Dependencies are inferred from the claim text.