Power-on reset circuitry, an implant device and a method for generating a power-on reset signal
AssigneeStichting IMEC Nederland
InventorStefano STANZIONE
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Abstract
A power-on reset, POR, circuitry comprises: a comparator configured to output a POR trigger signal in dependence of a relation between a supply voltage and a target voltage level, wherein the comparator comprises a first output part configured to receive a balanced input; a trust unit comprising a second output part forming a replica of the first output part and configured to receive an unbalanced input, wherein the comparator and the trust unit are arranged in a common integrated circuit and wherein the trust unit is configured to output a trust signal indicating whether the POR trigger signal is trustable; and a decision unit configured to output a POR signal in dependence of the POR trigger signal and the trust signal.
Claims11
A power-on reset (POR) circuitry comprising:
- a comparator configured to compare a first voltage based on supply voltage to a reference voltage, wherein the comparator is configured to output a POR trigger signal in dependence of a relation between the supply voltage and a target voltage level, wherein the comparator comprises a first output part configured to receive a balanced input;
- a trust unit comprising a second output part forming a replica of the first output part and configured to receive an unbalanced input, wherein the comparator and the trust unit are arranged in a common integrated circuit and wherein the trust unit is configured to output a trust signal representing an indication whether the POR trigger signal is a trustable representation of the supply voltage reaching the target voltage level;
- and
- a decision unit configured to receive the POR trigger signal and the trust signal and configured to output a POR signal in dependence of the POR trigger signal and the trust signal.
A method for generating a power-on reset (POR) signal, comprising:
- comparing, by a comparator, a first voltage based on supply voltage and a reference voltage to output a POR trigger signal in dependence of a relation between the supply voltage and a target voltage level, wherein the comparator comprises a first output part configured to receive a balanced input;
- generating, by a trust unit, a trust signal representing an indication whether the POR trigger signal is a trustable representation of the supply voltage reaching the target voltage level, wherein the trust unit comprises a second output part forming a replica of the first output part and configured to receive an unbalanced input, wherein the comparator and the trust unit are arranged in a common integrated circuit;
- and
- outputting, by a decision unit, a POR signal in dependence of the POR trigger signal and the trust signal.
Dependencies are inferred from the claim text.