Drivers and receivers for interfacing VLSI CMOS circuits to transmission lines
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United States of America Patent
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-
Jun 11, 1991
Grant Date -
N/A
app pub date -
Mar 30, 1990
filing date -
Mar 30, 1990
priority date (Note) -
Expired
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Abstract
This invention provides very wide channel, open drain, N-channel CMOS drivers and cascode CMOS receivers for interfacing VLSI CMOS circuits to transmission lines which are terminated by their characteristic resistive impedances to voltage levels on the order of about 1.2 v-2.0 v. These GTL (a coined descriptor) drivers and receivers typically operate with a voltage swing on the order of about 0.8 v-1.4 v on such transmission lines for carrying out binary communications between CMOS circuits configured to operate with standard 5 v rail-to-rail voltage swings for their internal signals.
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