Apparatus for circuit with keeper

Details Apparatus for circuit with keeper Apparatus for circuit with keeper

2006-05-30

2006-05-30

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Supply voltage level shifting

C326S080000, C326S068000

Reexamination Certificate

active

07053658

ABSTRACT:
A keeper switch circuit is configured to minimize capacitive coupling between the gate and drain of a cascode transistor. The keeper switch circuit is coupled between the source and gate of a cascode transistor. The keeper switch circuit is on if a voltage at the drain of the keeper switch circuit corresponds to a first logic level. The source and gate of the cascode transistor are coupled together if the keeper switch circuit is on.

REFERENCES:
patent: 5604449 (1997-02-01), Erhart et al.
patent: 6060909 (2000-05-01), Aipperspach et al.
patent: 6320414 (2001-11-01), Annema et al.
patent: 6693469 (2004-02-01), Prodanov

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