Semiconductor memory device and driving method thereof

Details Semiconductor memory device and driving method thereof Semiconductor memory device and driving method thereof

2011-07-12

2011-07-12

Lam, David (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S194000, C365S230060

Reexamination Certificate

active

07978537

ABSTRACT:
A semiconductor memory device includes a source signal generator configured to generate a source signal having a predetermined pulse width in response to a command signal, and a column selection signal generator configured to generate a column selection signal by controlling a pulse width of the source signal according to a voltage level of an external supply voltage.

REFERENCES:
patent: 6741511 (2004-05-01), Nakao
patent: 6987703 (2006-01-01), Tanaka
patent: 100852002 (2008-08-01), None
Notice of Preliminary Rejection issued from Korean Intellectual Property Office on Apr. 30, 2010.

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