Semiconductor memory device, and method of controlling the same

Details Semiconductor memory device, and method of controlling the same Semiconductor memory device, and method of controlling the same

2011-03-08

2011-03-08

Phan, Trong (Department: 2827)

Static information storage and retrieval

Read/write circuit

Precharge

C365S222000, C365S226000, C365S227000, C365S228000, C365S229000, C365S233100

Reexamination Certificate

active

07903487

ABSTRACT:
An internal voltage generator when activated, generates an internal voltage to be supplied to an internal circuit. Operating the internal voltage generator consumes a predetermined amount of the power. In response to a control signal from the exterior, an entry circuit inactivates the internal voltage generator. When the internal voltage generator is inactivated, the internal voltage is not generated, thereby reducing the power consumption. By the control signal from the exterior, therefore, a chip can easily enter a low power consumption mode. The internal voltage generator is exemplified by a booster for generating the boost voltage of a word line connected with memory cells, a substrate voltage generator for generating a substrate voltage, or a precharging voltage generator for generating the precharging voltage of bit lines to be connected with the memory cells.

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