Reference voltage generator and semiconductor device including the same

A semiconductor device comprising:

• a reference voltage generator comprising a boosting code circuit and a first digital-analog converter (DAC), the reference voltage generator being configured to output a reference voltage,
• wherein the boosting code circuit comprises a boosting pulse generator configured to generate a boosting pulse, and a boosting code controller configured to output a boosting code based on a reference code and the boosting pulse, and
• wherein the first DAC is configured to output the reference voltage having a first voltage level by converting the boosting code having a different value from the reference code during a pulse duration of the boosting pulse, and output the reference voltage having a second voltage level less than the first voltage level by converting the boosting code having the same value as the reference code after the pulse duration of the boosting pulse when the boosting code circuit is activated.

A semiconductor device comprising:

• a reference voltage generator comprising a boosting code circuit and a digital-analog converter (DAC), the reference voltage generator being configured to output a reference voltage,
• wherein the boosting code circuit includes a boosting code controller configured to output a boosting code based on a reference code, and
• wherein the DAC is configured to output the reference voltage having a first voltage level by converting the boosting code having a different value from the reference code during a first period of time after enabling the boosting code circuit, and output the reference voltage having a second voltage level less than the first voltage level by converting the boosting code having the same value as the reference code during a second period of time after the first period of time.