Voltage generating circuit
First Claim
1. A voltage generating circuit comprising:
- a first driving unit having a first input terminal and a first output terminal, wherein the first input terminal is configured to receive a first input signal, and wherein when the first input signal is at a first logic level, power is configured to be charged from a first voltage terminal to the first output terminal, and when the first input signal is at a second logic level, power is configured to be charged from the first output terminal to a second voltage terminal;
a first switch configured to couple the second voltage terminal to a first capacitance-compensating terminal based on the first input signal;
a first compensating capacitor configured to be coupled between the first capacitance-compensating terminal and a third voltage terminal; and
a second switch configured to couple the first capacitance-compensating terminal to a fourth voltage terminal based on the first input signal.
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Accused Products
Abstract
A voltage generating circuit includes: (1) a driving unit having an input terminal and an output terminal, wherein the input terminal is configured to receive an input signal, wherein when the input signal is at a first logic level, power is configured to be charged from a first voltage terminal to the output terminal, and when the input signal is at a second logic level, power is configured to be discharged from the output terminal to a second voltage terminal; (2) a first switch configured to couple the second voltage terminal to a capacitance-compensating terminal based on the input signal; (3) a compensating capacitor configured to be coupled between the capacitance-compensating terminal and a third voltage terminal; and (4) a second switch configured to couple the capacitance-compensating terminal to a fourth voltage terminal based on the input signal.
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Citations
13 Claims
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1. A voltage generating circuit comprising:
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a first driving unit having a first input terminal and a first output terminal, wherein the first input terminal is configured to receive a first input signal, and wherein when the first input signal is at a first logic level, power is configured to be charged from a first voltage terminal to the first output terminal, and when the first input signal is at a second logic level, power is configured to be charged from the first output terminal to a second voltage terminal; a first switch configured to couple the second voltage terminal to a first capacitance-compensating terminal based on the first input signal; a first compensating capacitor configured to be coupled between the first capacitance-compensating terminal and a third voltage terminal; and a second switch configured to couple the first capacitance-compensating terminal to a fourth voltage terminal based on the first input signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A voltage generating circuit comprising:
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a driving unit having a first input terminal and a first output terminal, wherein the first input terminal is configured to receive a first input signal, and wherein when the first input signal is at a first logic level, a first voltage terminal couples to the first output terminal, and when the first input signal is at a second logic level, the first output terminal couples to a second voltage terminal; a first switch configured to couple the second voltage terminal to a first capacitance-compensating terminal based on the first input signal; a first compensating capacitor configured to be coupled between the first capacitance-compensating terminal and a third voltage terminal; and a second switch configured to couple the first capacitance-compensating terminal to a fourth voltage terminal based on the first input signal. - View Dependent Claims (9, 10, 11)
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12. A voltage generating circuit configured to be powered by a fifth voltage and a sixth voltage, comprising:
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a first driving unit having a first input terminal and a first output terminal, wherein the first input terminal is configured to receive a first input signal, and wherein the first driving unit is configured to output a first level signal when the first input signal is at a first logic level and to output a second level signal when the first input signal is at a second logic level; and a compensating unit, comprising at least a switch and a capacitor and configured to generate a second voltage as the voltage level of the second level signal according to the fifth voltage and the first input signal; wherein the second voltage is less than the fifth voltage and greater than the sixth voltage, and the voltage level of the first level signal is substantially equal to the fifth voltage or the sixth voltage. - View Dependent Claims (13)
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Specification