Electronic digital logic circuitry – Signal sensitivity or transmission integrity – Output switching noise reduction
Reexamination Certificate
2006-08-08
2006-08-08
Barnie, Rexford (Department: 2819)
Electronic digital logic circuitry
Signal sensitivity or transmission integrity
Output switching noise reduction
C326S030000, C326S031000, C326S082000, C326S083000, C326S084000, C326S086000, C326S087000, C326S088000
Reexamination Certificate
active
07088126
ABSTRACT:
An output circuit includes a source follower constituted by a n-channel MOS transistor, having a drain connected to a power source and a source connected to an output terminal, and applying an output voltage to a load through the output terminal when a gate is charged, a voltage detector determining if the output voltage is at a first voltage or at a second voltage level, a first discharge circuit discharging the gate of the source follower according to an inputted turn-off signal when the output voltage is at the first voltage level, and stopping discharging the gate of the source follower when the output voltage decreases to the second voltage level and a second discharge circuit discharging the gate of the source follower more gradually than the first discharge circuit does according to the turn-off signal when the output voltage decreases from the first voltage to the second voltage level.
REFERENCES:
patent: 5576635 (1996-11-01), Partovi et al.
patent: 5917348 (1999-06-01), Chow
patent: 5926056 (1999-07-01), Morris et al.
patent: 5933027 (1999-08-01), Morris et al.
patent: 5966026 (1999-10-01), Partovi et al.
patent: 0 039 952 (1981-11-01), None
patent: 3-198421 (1991-08-01), None
patent: WO 00/27032 (2000-05-01), None
Nakahara Akihiro
Souma Osamu
Barnie Rexford
NEC Electronics Corporation
White Dylan
Young & Thompson
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