Voltage supply circuit and semiconductor memory

Details Voltage supply circuit and semiconductor memory Voltage supply circuit and semiconductor memory

2008-10-30

2010-10-26

Ho, Hoai V (Department: 2827)

Static information storage and retrieval

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C365S189060, C365S203000

Reexamination Certificate

active

07821863

ABSTRACT:
Each of first and second differential amplifiers has a function of increasing a bias current in response to the activation of a drivability control signal. A first driving circuit connects an output node to a high power supply line in response to the activation of an output signal of the first differential amplifier, and connects the output node to a low power supply line in response to the activation of an output signal of the second differential amplifier. Only during the activation period of the drivability control signal, a second driving circuit connects the output node to the high power supply line in response to the activation of the output signal of the first differential amplifier, and connects the output node to the low power supply line in response to the activation of the output signal of the second differential amplifier.

REFERENCES:
patent: 5689460 (1997-11-01), Ooishi
patent: 6265858 (2001-07-01), Park
patent: 6462584 (2002-10-01), Proebsting
patent: 7298200 (2007-11-01), Won
patent: 7460416 (2008-12-01), Takeuchi
patent: 2005/0117411 (2005-06-01), Koshikawa et al.
patent: 2001-325792 (2001-11-01), None

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