Low power dissipation voltage generator

Static information storage and retrieval – Read/write circuit – Including reference or bias voltage generator

Reexamination Certificate

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C365S189110, C365S226000

Reexamination Certificate

active

11157648

ABSTRACT:
A voltage generator circuit is described for providing a regulated voltage, such as a negative word line voltage in a semiconductor memory. The generator uses a source transistor to couple a substrate voltage, Vbb, to an output voltage node. The transistor is selectively activated by a current mirror circuit and using reference voltages. The reference voltages can be provided using a resistor divider circuit. Hysteresis is provided to maintain the output voltage in a predetermined voltage range.

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