Power voltage supplier of semiconductor memory device

Details Power voltage supplier of semiconductor memory device Power voltage supplier of semiconductor memory device

2004-12-27

2008-03-25

Lam, David (Department: 2827)

Static information storage and retrieval

Powering

C365S149000, C365S205000

Reexamination Certificate

active

07349282

ABSTRACT:
The present invention provides a power voltage supplier for stably supplying a noise-free power voltage without increasing a size of a reservoir capacitor by employing a sharing scheme of the reservoir capacitor. The power voltage supplier of a semiconductor memory device includes: a first power voltage supply line for supplying a first power voltage; a second power voltage supply line for supplying a second power voltage; a first reservoir capacitor for supplying the first and the second power voltages stably; and a reservoir capacitor controller for selectively connecting the first reservoir capacitor to the first power voltage supply line or the second power voltage supply line.

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