Boot-up method of E-fuse, semiconductor device and semiconductor system including the same
AssigneeSK hynix Inc.
InventorYun-Seok Hong
Life of this patent
Estimating the term…
Abstract
A semiconductor device includes a power-up signal generation unit suitable for receiving a first power supply voltage and a second power supply voltage higher the first power supply voltage and generating a power-up signal when the first and second power supply voltage increase to reach target levels, respectively, a voltage level adjusting unit suitable for generating a third power supply voltage by adjusting a voltage level of the second power supply voltage, a boot-up signal generation unit suitable for generating a boot-up signal in response to the power-up signal, and a circuit operation unit suitable for performing a boot-up operation using the third power supply voltage in response to the boot-up signal.
Claims16
A semiconductor device, comprising:
- a power-up signal generation unit configured to receive a first power supply voltage and a second power supply voltage higher the first power supply voltage and generate a power-up signal when the first and second power supply voltage increase to reach target levels, respectively;
- a voltage level adjusting unit configured to receive the second power power voltage from the power-up signal generation unit and generate a third power supply voltage by adjusting a voltage level of the second power supply voltage;
- a boot-up signal generation unit configured to receive the power-up signal from the power-up signal generation unit and generate a boot-up signal in response to the power-up signal;
- and
- a circuit operation unit configured to receive the boot-up signal from the boot-up signal generation unit and the third power supply voltage from the voltage level adjusting unit, and perform a boot-up operation using the third power supply voltage in response to the boot-up signal.
A semiconductor system, comprising:
- a controller suitable for generating a control signal for controlling an activation time of a boot-up signal in response to a power-up signal and a pumping voltage detection signal, wherein the boot-up signal is generated in response to the power-up signal;
- and
- the semiconductor device suitable for receiving the control signal from the controller and performing a boot-up operation in response to the control signal,
- wherein the power-up signal is generated when a power supply voltage increases to reach a target level,
- wherein each of the controller and the semiconductor receive a first power supply voltage and a second power supply voltage, and the semiconductor generates a third power supply voltage by adjusting a voltage level of the second power supply voltage, and performs the boot-up operation in response to the control signal using the third power supply voltage as the power supply voltage.
A boot-up method of an E-fuse, comprising:
- receiving, with a power-up signal generation unit, a first power supply voltage and a second power supply voltage that is higher than the first power supply voltage, and generating, with the power-up signal generation unit, a power-up signal by detecting the first and second power supply voltages;
- generating, with a voltage level adjusting unit, a third power supply voltage by adjusting a voltage level of the second power supply voltage;
- receiving, with the boot-up signal generation unit, the power-up signal;
- generating, with the boot-up signal generation unit, a boot-up signal in response to the power-up signal;
- receiving, with a circuit operation unit, the boot-up signal and the third power supply voltage;
- and
- performing, with the circuit operation unit a boot-up operation using the third power supply voltage in response to the boot-up signal.
Dependencies are inferred from the claim text.