摘要:
A semiconductor device includes: a unit configured to, in a period before power up, compare a voltage obtained by dividing a voltage of a first voltage node at a first division ratio with a voltage obtained by dividing a voltage of a second voltage node at a second division ratio and determine whether to activate an enable signal according to a result of the comparison; and a voltage driving unit configured to increase the voltage of the second voltage node when the enable signal is activated in the period before power up.
摘要:
There is provided an analog-digital converter, including: a counting control unit configured to output a counting control signal which is activated while an input voltage is discharged to a predetermined voltage; and a counting unit configured to count an input clock during an activated section of the counting control signal, and output a digital code.
摘要:
An internal voltage generation circuit includes a first voltage generation unit configured to be operated in response to a first power enable signal to generate a first voltage, a level detection unit configured to detect a level of the first voltage, and a second voltage generation unit configured to be operated in response to a level detection value outputted from the level detection unit to generate a second voltage lower than the first voltage.
摘要:
A temperature sensing circuit having high accuracy and an on die thermal sensor including the same are provided. The temperature sensing circuit includes a current generating unit for generating a temperature current varied according to a temperature, and a voltage generating unit for mirroring the temperature current and generating a temperature voltage generated by the mirrored temperature current.
摘要:
An on-die thermal sensor includes an integrating analog-digital converter not requiring a negative reference voltage input. The on die thermal sensor includes a band gap unit, an integrating unit and a counting unit. The band gap unit senses a temperature to output a first voltage corresponding to the sensed temperature. The integrating unit integrates a difference between a reference voltage and a comparing voltage to output a second voltage wherein the comparing voltage has a voltage level higher than that of the reference voltage. The counting unit counts clocks of a clock signal input thereto until the second voltage reaches the first voltage, thereby outputting a thermal code corresponding to the voltage level of the first voltage.
摘要:
A semiconductor device includes: a unit configured to, in a period before power up, compare a voltage obtained by dividing a voltage of a first voltage node at a first division ratio with a voltage obtained by dividing a voltage of a second voltage node at a second division ratio and determine whether to activate an enable signal according to a result of the comparison; and a voltage driving unit configured to increase the voltage of the second voltage node when the enable signal is activated in the period before power up.
摘要:
A temperature sensing circuit includes a temperature-dependent voltage generating block configured to generate a plurality temperature-dependent voltages having voltage levels that are changed according to temperature; and a comparing block configured to compare each voltage level of the temperature-dependent voltages with a voltage level of a predetermined voltage to output thermal codes.
摘要:
An on-die thermal sensor includes an integrating analog-digital converter not requiring a negative reference voltage input. The on die thermal sensor includes a band gap unit, an integrating unit and a counting unit. The band gap unit senses a temperature to output a first voltage corresponding to the sensed temperature. The integrating unit integrates a difference between a reference voltage and a comparing voltage to output a second voltage wherein the comparing voltage has a voltage level higher than that of the reference voltage. The counting unit counts clocks of a clock signal input thereto until the second voltage reaches the first voltage, thereby outputting a thermal code corresponding to the voltage level of the first voltage.
摘要:
A temperature sensing circuit includes a temperature-dependent voltage generating block configured to generate a plurality temperature-dependent voltages having voltage levels that are changed according to temperature; and a comparing block configured to compare each voltage level of the temperature-dependent voltages with a voltage level of a predetermined voltage to output thermal codes.