Semiconductor memory device with internal voltage generators...

Details Semiconductor memory device with internal voltage generators... Semiconductor memory device with internal voltage generators...

2005-10-25

2005-10-25

Tran, Andrew Q. (Department: 2824)

Static information storage and retrieval

Powering

Data preservation

C365S226000, C365S201000, C365S189090, C365S156000

Reexamination Certificate

active

06958947

ABSTRACT:
A semiconductor memory device which includes an internal voltage generator circuit for adjusting an external power supply voltage and generating first and second internal power supply voltages. The first internal power supply voltage is supplied to a memory cell array via a first power supply line, and the second internal power supply voltage is supplied to a peripheral circuit via a second power supply line. A control circuit controls the internal voltage generator circuit so that the levels of the first and second internal power supply voltages vary depending on a mode of operation.

REFERENCES:
patent: 6037813 (2000-03-01), Eto et al.
patent: 6359459 (2002-03-01), Yoon et al.
patent: 6498760 (2002-12-01), Yamasaki
patent: 6661729 (2003-12-01), Yamasaki
patent: 06349298 (1994-12-01), None
patent: 11185498 (1999-07-01), None

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