High voltage generators having an integrated discharge path...

Details High voltage generators having an integrated discharge path... High voltage generators having an integrated discharge path...

2006-12-19

2006-12-19

Mai, Son (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S185180, C365S226000

Reexamination Certificate

active

07151702

ABSTRACT:
High voltage generators include a charge pump and a ripple reduction circuit that includes an integrated discharge path. The ripple reduction circuit limits the voltage level from a charge pump when the charge pump is in a first operating mode and provides a discharge path that from the output terminal of the ripple reduction circuit to the output of the charge pump when the charge pump is in a second operating mode. Semiconductor memories incorporating such high voltage generators are also provided. Coupling circuits having an integrated discharge path are also provided.

REFERENCES:
patent: 4733375 (1988-03-01), Terashima
patent: 5175706 (1992-12-01), Edme
patent: 5180928 (1993-01-01), Choi
patent: 5511026 (1996-04-01), Cleveland et al.
patent: 5770963 (1998-06-01), Akaogi et al.
patent: 5889720 (1999-03-01), Lisart et al.
patent: 5892267 (1999-04-01), Takada
patent: 5898335 (1999-04-01), Miyamoto et al.
patent: 6292048 (2001-09-01), Li

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