Semiconductor memory device to supply stable high voltage...

Details Semiconductor memory device to supply stable high voltage... Semiconductor memory device to supply stable high voltage...

2006-05-09

2006-05-09

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including level shift or pull-up circuit

C365S222000, C365S194000

Reexamination Certificate

active

07042774

ABSTRACT:
A semiconductor device for use in a semiconductor memory device for pumping a supplying voltage according to a data access mode and an auto-refresh mode, including: a voltage level detecting means for generating a voltage level detect signal by detecting a voltage level of the supplying voltage; an auto-refresh signal detecting means for generating an auto-refresh detect signal in response to an auto-refresh signal; and a voltage pumping means for pumping the supplying voltage in response to the voltage level detect signal at the data access mode or in response to the auto-refresh detect signal at the auto-refresh mode.

REFERENCES:
patent: 6449204 (2002-09-01), Arimoto et al.
patent: 6919756 (2005-07-01), Callaway et al.
patent: 2003/0214870 (2003-11-01), Cho
patent: 10-398575 (2003-09-01), None

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