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Class Information
Number: 326/30
Name: Electronic digital logic circuitry > Signal sensitivity or transmission integrity > Bus or line termination (e.g., clamping, impedance matching, etc.)
Description: Subject matter having a circuit to preclude signal or transmission deterioration by (a) using an impedance element to eliminate the reflective wave energy caused by impedance differences between the network and a connected circuit or (b) using a diode circuit to clamp or to clip the reflective wave riding on the top of an incident wave.

Patents under this class:

Patent Number Title Of Patent Date Issued
8710862 Programming of DIMM termination resistance values Apr. 29, 2014
8710861 Semiconductor device and method of adjusting characteristic thereof Apr. 29, 2014
8707072 Interface frequency modulation to allow non-terminated operation and power reduction Apr. 22, 2014
8705636 Passive single-ended line test Apr. 22, 2014
8693676 Power efficiency of a line driver Apr. 8, 2014
8692604 Impedance calibration circuit Apr. 8, 2014
8692574 Methods and systems for reducing supply and termination noise Apr. 8, 2014
8692573 Signal lines with internal and external termination Apr. 8, 2014
8681510 Circuit board Mar. 25, 2014
8680710 Analog power sequencer and method Mar. 25, 2014
8674720 Semiconductor device and method of adjusting an impedance of an output buffer Mar. 18, 2014
8664973 Common mode termination with C-multiplier circuit Mar. 4, 2014
8664972 Memory control circuit, memory control method, and integrated circuit Mar. 4, 2014
8653853 Differential interfaces for power domain crossings Feb. 18, 2014
8649504 Method and circuitry for matching impedance Feb. 11, 2014
8648619 Termination for complementary signals Feb. 11, 2014
8638838 Differential serial interface for supporting a plurality of differential serial interface standards Jan. 28, 2014
8635572 Circuitry having programmable power rails, architectures, apparatuses, and systems including the same, and methods and algorithms for programming and/or configuring power rails in an integrate Jan. 21, 2014
8630131 Data strobe enable circuitry Jan. 14, 2014
8624625 High definition multimedia interface (HDMI) apparatus including termination circuit Jan. 7, 2014
8619492 On-die termination circuit, memory device, memory module, and method of operating and training an on-die termination Dec. 31, 2013
8618833 Source series terminated driver circuit with programmable output resistance, amplitude reduction, and equalization Dec. 31, 2013
8618832 Balanced single-ended impedance control Dec. 31, 2013
8618831 Transmitter apparatus, systems, and methods Dec. 31, 2013
8614585 Impedance correction device and method thereof Dec. 24, 2013
8610460 Control signal generation circuits, semiconductor modules, and semiconductor systems including the same Dec. 17, 2013
8610459 Controlling on-die termination in a dynamic random access memory device Dec. 17, 2013
8610458 Impedance control circuit and semiconductor device including the same Dec. 17, 2013
8610457 Termination control circuit and semiconductor device including the same Dec. 17, 2013
8610456 Load detecting impedance matching buffer Dec. 17, 2013
8610455 Dynamic on-die termination selection Dec. 17, 2013
8605798 Power and bidirectional data transmission Dec. 10, 2013
8604830 Semiconductor device Dec. 10, 2013
8604826 Bias compensation method and system for minimizing process, voltage and temperature corner variations Dec. 10, 2013
RE44617 On-die termination device Dec. 3, 2013
8598906 Low-power ethernet transmitter Dec. 3, 2013
8598905 System and package including plural chips and controller Dec. 3, 2013
8598904 Electrical networks and methods of forming the same Dec. 3, 2013
8598889 Impedance calibration circuit Dec. 3, 2013
8589998 HDMI and displayport dual mode transmitter Nov. 19, 2013
8588012 Balanced on-die termination Nov. 19, 2013
8581628 Low voltage transmitter with high output voltage Nov. 12, 2013
8581622 Semiconductor device Nov. 12, 2013
8581621 Semiconductor memory device, memory controller and memory system having on die termination and on die termination controlling method Nov. 12, 2013
8581620 Semiconductor device including data output circuit supporting pre-emphasis operation Nov. 12, 2013
8581619 Impedance calibration circuit and method Nov. 12, 2013
8576640 Data output apparatus and method for outputting data thereof Nov. 5, 2013
8575956 Semiconductor device Nov. 5, 2013
8571513 Integrated circuit passive signal distribution Oct. 29, 2013
8570064 Methods and systems for programmable implementation of on-chip termination calibration Oct. 29, 2013

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