High voltage generating device of semiconductor device

Details High voltage generating device of semiconductor device High voltage generating device of semiconductor device

2009-01-22

2009-11-24

Pham, Ly D (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S189070, C365S191000, C365S210100, C365S233110

Reexamination Certificate

active

07623394

ABSTRACT:
A high voltage generator of a semiconductor device includes a first high voltage pump unit, a second high voltage pump unit, and a clock signal generating unit. The first high voltage pump unit compares a first high voltage and a first reference voltage to generate a first enable signal, and performs a pumping operation in response to the first enable signal and a first clock signal to generate the first high voltage. The second high voltage pimp unit compares a second high voltage and a second reference voltage to generate a second enable signal, and perform a pimping operation in response to the second enable signal and a second clock signal to generate the second high voltage. The clock signal generating unit generates the first clock signal or the second clock signal in response to the first enable signal and the second enable signal when at least one of the first enable signal and the second enable signal is enabled.

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