Semiconductor memory device with internal voltage generating...

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

2007-12-28

2010-06-08

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S189070, C365S189080

Reexamination Certificate

active

07733709

ABSTRACT:
Semiconductor memory device with internal voltage generating circuit and method for operating the same includes a high voltage detecting circuit configured to detect a voltage level of a high voltage and activate a pumping determining signal when the voltage level of the high voltage is below a predetermined level; a pumping circuit configured to perform a pumping operation in response to the pumping determining signal and an active signal; and an auxiliary pumping circuit configured to perform the pumping operation in response to the pumping determining signal and a bank active pulse signal.

REFERENCES:
patent: 6628555 (2003-09-01), Kondo et al.
patent: 7042796 (2006-05-01), Kim et al.
patent: 7315195 (2008-01-01), Park
patent: 7538600 (2009-05-01), Lee
patent: 10-0761372 (2007-09-01), None
patent: 10-2007-0095677 (2007-10-01), None

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