Electronic device with a programmable resistive element and a method for blocking a device
AssigneeInfineon Technologies AG
InventorsBerndt Gammel, Thomas Nirschl, Gerd Dirscherl, Philip Schlazer
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Abstract
One or more embodiments relate to an electronic device comprising a circuitry and a programmable resistive element. The programmable resistive element comprises a first and a second state, wherein the programmable resistive element is configured to allow switching from the second state into the first state in response to a signal comprising at least a predefined level. The circuitry is configured to provide signals up the predefined level, wherein the circuitry is configured to provide a switch signal to the programmable resistive element, wherein the switch signal causes switching from the first into the second state.
Claims12
An electronic device comprising:
- a programmable resistive element comprising at least a first state and a second state, wherein the programmable resistive element is configured to allow switching from the second state into the first state in response to a signal comprising at least a predefined level;
- and
- a circuitry for providing signals below the predefined level, wherein the circuitry is configured to provide a switch signal to the programmable resistive element, wherein the switch signal causes switching from the first into the second state,
- wherein the programmable resistive element further comprises a third state and a memory material such that the second and the third state comprise both high ohmic states of the memory material with different resistances, and
- wherein the programmable resistive element further comprises a fourth state, and wherein the circuitry is configured to provide a further switch signal to switch from the first state into the fourth state, wherein the fourth state is irreversible in that the circuitry is unable to provide a signal to switch from the fourth state into the first state or into the third state.
An electronic device comprising:
- a programmable resistive element comprising at least a first state and a second state;
- and
- a circuitry for providing a switch signal to switch the programmable resistive element from the first state into the second state,
- wherein the circuitry is unable to provide a signal to switch the programmable resistive element from the second state into the first state,
- wherein the programmable resistive element further comprises a third state, the first state and the third state are reversible states in that the circuitry is able to provide signals to switch between the first state and the third state, and
- wherein the programmable resistive element further comprises a fourth state, and wherein the circuitry is configured to provide a further switch signal to switch from the first state into the fourth state, wherein the fourth state is irreversible in that the circuitry is unable to provide a signal to switch from the fourth state into the first state or into the third state.
Dependencies are inferred from the claim text.