Internal voltage generating circuit of semiconductor device
AssigneeHynix Semiconductor Inc.
InventorChang-Ho DO
Life of this patent
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Abstract
An internal voltage generating circuit of a semiconductor device includes a first voltage driver configured to pull up an internal voltage terminal during a period where a level of the internal voltage terminal is lower than a target level, and a second voltage driver configured to pull up the internal voltage terminal during a predefined time in each period corresponding to a frequency of an external clock.
Claims25
An internal voltage generating circuit of a semiconductor device, comprising:
- a first voltage driver configured to pull up an internal voltage terminal during a period where a level of the internal voltage terminal is lower than a target level;
- and
- a second voltage driver configured to pull up the internal voltage terminal during a predefined time in each period corresponding to a frequency of an external clock.
An internal voltage generating circuit of a semiconductor device, comprising:
- a first driving control pulse generator configured to detect a level of an internal voltage terminal, based on a target level, and generate a first driving control pulse having an activation period varying according to the detection result;
- a first driver configured to pull up the internal voltage terminal in response to the first driving control pulse;
- a second driving control pulse generator configured to generate a second driving control pulse having an activation period in each period corresponding to a frequency of an external clock;
- and
- a second driver configured to pull up the internal voltage terminal in response to the second driving control pulse.
An internal voltage generating method of a semiconductor device, comprising:
- selectively pulling up an internal voltage terminal according to a level of the internal voltage terminal;
- and
- pulling up the internal voltage terminal according to a frequency of an external clock.
Dependencies are inferred from the claim text.