Bias voltage generator and method generating bias voltage...

Details Bias voltage generator and method generating bias voltage... Bias voltage generator and method generating bias voltage...

2007-12-13

2009-06-16

Nguyen, Tan T. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S148000

Reexamination Certificate

active

07548467

ABSTRACT:
There are provided a bias voltage generator, a semiconductor memory device having the bias voltage generator, and a method for generating the bias voltage. The bias voltage generator which generates the bias voltage to control a sensing current supplied to a memory cell for sensing data is characterized in that the bias voltage is output in response to an input voltage being applied, so that a slope of the bias voltage to the input voltage is different in at least two sections divided corresponding to a level of the input voltage.

REFERENCES:
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patent: 6768665 (2004-07-01), Parkinson et al.
patent: 7050328 (2006-05-01), Khouri et al.
patent: 7196924 (2007-03-01), Lai et al.
patent: 2005/0030787 (2005-02-01), Lowrey et al.
patent: 2006/0158948 (2006-07-01), Fuji
patent: 2007/0297238 (2007-12-01), Cho et al.

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