Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

2008-06-03

2008-06-03

Phan, Trong (Department: 2827)

Static information storage and retrieval

Powering

C365S200000, C365S225700, C365S189070, C365S185090, C365S185170, C365S185330

Reexamination Certificate

active

07382675

ABSTRACT:
According to an aspect of the invention, there is provided a semiconductor memory device including a first power source which generates a first power supply voltage, a second power source which generates a second power supply voltage, a generation circuit which generates a third power supply voltage from the first power supply voltage, a switching circuit which selects one of the second power supply voltage and the third power supply voltage, and a fuse circuit connected to the switching circuit and equipped with a fuse element to carry out a fuse reading operation, wherein the third power supply voltage is supplied from the switching circuit to the fuse circuit during the fuse reading operation.

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