US PATENT SUBCLASS 326 / 63
.~ Logic level shifting (i.e., interface between devices of different logic families)

Current as of: June, 1999
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326 /   HD   ELECTRONIC DIGITAL LOGIC CIRCUITRY

62  DF  INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) {3}
63.~ Logic level shifting (i.e., interface between devices of different logic families) {3}
64  DF  .~.~> Bi-CMOS {3}
68  DF  .~.~> Field-effect transistor (e.g., JFET, MOSFET, etc.) {4}
75  DF  .~.~> Bipolar transistor {4}

DEFINITION

Classification: 326/63

Logic level shifting (i.e., interface between devices of different logic families):

(under subclass 62) Subject matter comprising an intermediate circuit or a coupling circuit for providing an operational compatibility between devices of different logic families, wherein conversion of parameters is required (e.g., input logic levels, logic signal pulse widths (duty cycle), power supply biasing levels, etc.).

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

333, for miscellaneous amplitude control for interstage coupling.