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METHODS FOR DETECTING AN IMMINENT POWER FAILURE IN TIME TO PROTECT LOCAL DESIGN STATE
METHODS FOR DETECTING AN IMMINENT POWER FAILURE IN TIME TO PROTECT LOCAL DESIGN STATE
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机译:及时保护本地设计状态的即将发生的电源故障的方法
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摘要
In certain aspects of the disclosure, a system includes an isolation device coupled between a first circuit in a first power domain and a second circuit in a second power domain. The system also includes a second power source coupled to a power distribution network, wherein the power distribution network is configured to distribute power from a first power source to the second power domain. The system further includes a failure detector having an input coupled to a node on the power distribution network located upstream of the second power source, and an output coupled to the isolation device, wherein the failure detector is configured to sense a voltage at the node, to detect a power loss of the first power source based on the sensed voltage, and to enable the isolation device in response to detection of the power loss.
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