Internal voltage generating circuit
AssigneeHynix Semiconductor Inc.
InventorKi-Chang Kwean
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Abstract
There is an internal voltage generating circuit for stably generating a core voltage of the semiconductor memory device under a low voltage circumstances. The internal voltage generating circuit includes a core voltage driving unit for generating a core voltage after a power is applied; and a low voltage mode driving unit for generating the core voltage when a level of a source voltage is lower than a target level of the core voltage, by detecting the level of the source voltage.
Claims20
An internal voltage generating circuit for generating a core voltage of a semiconductor memory device under a low voltage circumstances, comprising:
- a core voltage driving unit for generating a core voltage after a power is applied;
- and
- a low voltage mode driving unit for generating the core voltage when a level of a source voltage is lower than a target level of the core voltage, by detecting the level of the source voltage.
A semiconductor memory device for generating a core voltage of a semiconductor memory device under a low voltage circumstances, comprising:
- a core voltage driving unit for generating a core voltage after a power is applied;
- and
- a low voltage mode driving unit for generating the core voltage when a level of a source voltage is lower than a target level of the core voltage, by detecting the level of the source voltage.
Dependencies are inferred from the claim text.