Current-controlled output buffer
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United States of America Patent
Stats
-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Jun 15, 1998
filing date -
Oct 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current-controlled output buffer circuit includes a control circuit, a charging circuit, and a discharging circuit. The control circuit is configured to receive a control signal, and in response produces a charging signal and a discharging signal. The charging circuit is configured to receive the charging signal and in response, supplies a charging current to an output terminal, the magnitude of said charging current producing a signal rise time. The discharging circuit is configured to receive the discharging signal and in response, sinks a discharging current from the output terminal, the magnitude of the discharging current producing a signal fall time.
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