Active driver and semiconductor device having the same
AssigneeSK hynix Inc.
InventorHyun Chul Lee
Life of this patent
Estimating the term…
Abstract
An active driver includes a mirror circuit suitable for generating a drive voltage and a sink voltage using an external voltage, a first reset circuit suitable for outputting the drive voltage of a logic high level in a standby mode; a second reset circuit suitable for transitioning the drive voltage to a logic low level in response to the sink voltage when being changed from the standby mode to an active mode, and an output circuit suitable for outputting the external voltage as an internal voltage in response to the drive voltage when being changed from the standby mode to the active mode.
Claims18
An active driver, comprising:
- a mirror circuit suitable for generating a drive voltage and a sink voltage using an external voltage;
- a first reset circuit suitable for outputting the drive voltage of a logic high level in a standby mode;
- a second reset circuit suitable for transitioning the drive voltage to a logic low level in response to the sink voltage when being changed from the standby mode to an active mode;
- and
- an output circuit suitable for outputting the external voltage as an internal voltage in response to the drive voltage when being changed from the standby mode to the active mode.
A semiconductor device, comprising:
- an internal circuit in which data is stored;
- and
- an internal voltage generator suitable for supplying an internal voltage to the internal circuit when being changed from a standby mode to an active mode,
- wherein the internal voltage generator comprises:
- a mirror circuit suitable for generating a drive voltage and a sink voltage using an external voltage;
- a first reset circuit suitable for outputting the drive voltage of a logic high level in the standby mode;
- a second reset circuit suitable for transitioning the drive voltage to a logic low level state in response to the sink voltage when being changed from the standby mode to the active mode;
- and
- an output circuit suitable for outputting the external voltage as the internal voltage in response to the drive voltage when being changed from the standby mode to the active mode.
Dependencies are inferred from the claim text.