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The wakeup sequence for power gating techniques has become an important issue as the rush current typically causes a high voltage drop. This paper proposes a new wakeup scheme utilizing an on-chip detector which continuously monitors the power supply noise in real time. Therefore, this scheme is able to dynamically throttle the wakeup sequence according to ambient voltage level. As a result, even...
A compact low-power on-chip power-on reset circuit with a brown-out detection capability is presented. With a picofarad-order on-chip MOS capacitor, a long reset time is achieved. A prototype design implemented in a 0.18- CMOS process provides a reset signal with duration of hundreds of milliseconds. The embedded brown-out detection circuit can detect the event, as long as the brown-out...
A technique for managing leakage in level shifters used in SoCs to transfer digital signals across supply domains is introduced. The technique is effective regardless of supply sequencing order or availability, and it ensures a deterministic output from all level shifters under all supply conditions.
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