Semiconductor device

Details Semiconductor device Semiconductor device

2011-01-04

2011-01-04

Nguyen, Tan T. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S210120

Reexamination Certificate

active

07864608

ABSTRACT:
A semiconductor device includes a DRAM cell configured to store a data; and a sense amplifier activated in response to supply of power supply voltages and configured to sense the data stored in the DRAM cell. A power supply circuit supplies the power supply voltages to the sense amplifier. A sense amplifier dummy circuit provides a replica of a state of the sense amplifier immediately after the activation of the sense amplifier; and a power supply control circuit controls the power supply circuit based on the replica such that the power supply voltages are varied with time.

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