Internal voltage generator of semiconductor memory device

Details Internal voltage generator of semiconductor memory device Internal voltage generator of semiconductor memory device

2007-06-29

2009-10-06

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Powering

C365S227000, C365S229000

Reexamination Certificate

active

07599240

ABSTRACT:
An internal voltage generator of a semiconductor memory device controls generating an internal voltage according to an increase of the internal voltage during an active mode, to thereby decrease current consumption. The internal voltage generator of a semiconductor memory device includes a voltage sensor, a plurality of first control units, a plurality of second control units, and a plurality of voltage drivers. The voltage sensor detects an internal voltage. The plurality of first control units generate a plurality of internal control signals according to the voltage level of an output of the voltage sensor. The plurality of second control units generate a plurality of driver control signals in response to the plurality of internal control signals. The plurality of voltage drivers are turned on/off in response to the plurality of driver control signals.

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