VOLTAGE HOLDING DEVICE AND ELECTRONIC APPARATUS USING THE SAME
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Feb 10, 2023
filing date -
Aug 3, 2022
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Abstract
The technical solution proposed by the present disclosure is to use whether a voltage difference reaches a hysteresis voltage of a hysteresis comparator to efficiently update a charge of a capacitor and achieve lower power consumption. On the other hand, since the advanced voltage holding circuit is designed to consume lower power, the refresh time must be designed longer, which makes it impossible to do a large number of yield tests. Thus, the technical solution proposed by the present disclosure can greatly shorten the test time in conjunction with the relevant application circuit, and increase the testability and reliability of a voltage holding device.
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