Low power dissipation voltage generator

Details Low power dissipation voltage generator Low power dissipation voltage generator

2006-11-16

2008-03-18

Auduong, Gene N. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S189110, C365S226000

Reexamination Certificate

active

07345932

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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