Voltage generator that prevents latch-up
A voltage generator that prevents latch-up includes: a charge pump circuit that is controlled by first through third enable signals, boosts an internal power voltage generated from an external power voltage, and generates first through fourth voltages; a detector that detects the first through third...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
16.03.2009
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Subjects | |
Online Access | Get full text |
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Abstract | A voltage generator that prevents latch-up includes: a charge pump circuit that is controlled by first through third enable signals, boosts an internal power voltage generated from an external power voltage, and generates first through fourth voltages; a detector that detects the first through third voltages and generates first through third flag signals that go logic high when the first through third voltages reach predetermined respective voltage levels and maintain logic low when the voltages do not reach the predetermined respective voltage levels; and a charge pump controller that receives the first through third flag signals, and generates the first through third enable signals to have the first through fourth voltages sequentially generated. The voltage generator can prevent latch-up that may occur in a boosting mode or in a normal operation mode. |
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AbstractList | A voltage generator that prevents latch-up includes: a charge pump circuit that is controlled by first through third enable signals, boosts an internal power voltage generated from an external power voltage, and generates first through fourth voltages; a detector that detects the first through third voltages and generates first through third flag signals that go logic high when the first through third voltages reach predetermined respective voltage levels and maintain logic low when the voltages do not reach the predetermined respective voltage levels; and a charge pump controller that receives the first through third flag signals, and generates the first through third enable signals to have the first through fourth voltages sequentially generated. The voltage generator can prevent latch-up that may occur in a boosting mode or in a normal operation mode. |
Author | KIM, JONG-WON KANG, JAE-SUNG KIM, HYO-JIN KIM, SI-WOO |
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Snippet | A voltage generator that prevents latch-up includes: a charge pump circuit that is controlled by first through third enable signals, boosts an internal power... |
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SubjectTerms | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CONTROLLING CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS REGULATING SEALS SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES |
Title | Voltage generator that prevents latch-up |
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