Abstract: A charge pump circuit includes a power switch, a first pull-low circuit, an output pull-low circuit, a first charge pump stage and an output charge pump stage. The power switch receives an enabling signal. The first pull-low circuit and the output pull-low circuit receive a pull-low signal. The first charge pump stage includes a first boost capacitor used to receive a first phase signal, a first transfer transistor, a first gate-control transistor and a first storage capacitor used to receive a second phase signal. The output charge pump stage includes an output boost capacitor used to receive a third phase signal, an output transfer transistor and an output gate-control transistor. The charge pump circuit generates voltages in an erasing operation, a program operation and a read operation according to the enabling signal, the pull-low signal, the first phase signal, the second phase signal and the third phase signal.

Abstract: A charge pump circuit includes a power switch, a first pull-low circuit, an output pull-low circuit, a first charge pump stage and an output charge pump stage. The power switch receives an enabling signal. The first pull-low circuit and the output pull-low circuit receive a pull-low signal. The first charge pump stage includes a first boost capacitor used to receive a first phase signal, a first transfer transistor, a first gate-control transistor and a first storage capacitor used to receive a second phase signal. The output charge pump stage includes an output boost capacitor used to receive a third phase signal, an output transfer transistor and an output gate-control transistor. The charge pump circuit generates voltages in an erasing operation, a program operation and a read operation according to the enabling signal, the pull-low signal, the first phase signal, the second phase signal and the third phase signal.

Abstract: A voltage driver includes a voltage divider, a first transistor and a second transistor. The voltage divider is connected with a first voltage source and a second voltage source, and generates a first bias voltage. A drain terminal of the first transistor is connected with a third voltage source. A gate terminal of the first transistor is connected with the voltage divider to receive the first bias voltage. A drain terminal of the second transistor is connected with a source terminal of the first transistor. A gate terminal of the second transistor receives a second bias voltage. A source terminal of the second transistor is connected with a fourth voltage source. The first transistor and the second transistor are of the same conductivity type and match each other. The source terminal of the first transistor generates an output voltage.

Abstract: A voltage control device includes a first charge pump, a first power switch, a second charge pump, a second power switch, and a third power switch. The first charge pump generates a first application voltage according to the first system voltage. The first power switch has a first input terminal for receiving the first system voltage, a second input terminal for receiving the first application voltage, and an output terminal. The second charge pump generates a second application voltage according to a voltage received by the input terminal of the second charge pump. The second power switch has an input terminal for receiving the second application voltage, and an output terminal. The third power switch has a first input terminal coupled to the output terminal of the first charge pump, a second input terminal coupled to the output terminal of the second charge pump, and an output terminal.

Abstract: A voltage control device includes a first charge pump, a first power switch, a second charge pump, a second power switch, and a third power switch. The first charge pump generates a first application voltage according to the first system voltage. The first power switch has a first input terminal for receiving the first system voltage, a second input terminal for receiving the first application voltage, and an output terminal. The second charge pump generates a second application voltage according to a voltage received by the input terminal of the second charge pump. The second power switch has an input terminal for receiving the second application voltage, and an output terminal. The third power switch has a first input terminal coupled to the output terminal of the first charge pump, a second input terminal coupled to the output terminal of the second charge pump, and an output terminal.

Abstract: A voltage driver includes a voltage divider, a first transistor and a second transistor. The voltage divider is connected with a first voltage source and a second voltage source, and generates a first bias voltage. A drain terminal of the first transistor is connected with a third voltage source. A gate terminal of the first transistor is connected with the voltage divider to receive the first bias voltage. A drain terminal of the second transistor is connected with a source terminal of the first transistor. A gate terminal of the second transistor receives a second bias voltage. A source terminal of the second transistor is connected with a fourth voltage source. The first transistor and the second transistor are of the same conductivity type and match each other. The source terminal of the first transistor generates an output voltage.