Sense amplifier control circuit

Details Sense amplifier control circuit Sense amplifier control circuit

2011-08-16

2011-08-16

Nguyen, Hai L (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

C327S143000

Reexamination Certificate

active

07999576

ABSTRACT:
The present invention discloses a sense amplifier control circuit which controls the sense amplifier. A sense amplifier control circuit comprises a voltage comparing unit outputting delay control signals having a value corresponding to each of divided voltages obtained by dividing a potential of a power supply voltage and a pull-up control signal generating unit outputting an overdrive control signal and a pull-up control signal by an active signal and changing an enable pulse width of the overdrive control signal in response to the delay control signals, whereby it is possible to reduce current consumption caused by unnecessary overdrive operation and prevent a potential drop of the power supply voltage and thus provide operational stability of the semiconductor memory device by providing the overdrive control signal of which the enable pulse width is controlled in response to the potential of the power supply voltage.

REFERENCES:
patent: 7515492 (2009-04-01), Seo
patent: 7679415 (2010-03-01), Chi
patent: 2007/0179756 (2007-08-01), Honda
patent: 530407 (2003-05-01), None
patent: 200409136 (2004-06-01), None
patent: 200531068 (2005-09-01), None

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