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Class Information
Number: 326/80
Name: Electronic digital logic circuitry > Interface (e.g., current drive, level shift, etc.) > Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels)
Description: Subject matter comprising a circuit for translating signal data from one device to another device of the same logic family but which operate at differing voltage supply levels.










Sub-classes under this class:

Class Number Class Name Patents
326/81 Cmos 1,340


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8711573 Using interrupted through-silicon-vias in integrated circuits adapted for stacking Apr. 29, 2014
8692576 Circuit and methodology for high-speed, low-power level shifting Apr. 8, 2014
8667265 Hardware device binding and mutual authentication Mar. 4, 2014
8653877 Current mirror modified level shifter Feb. 18, 2014
8653878 Voltage switch circuit produced by logic circuit manufacturing process capable of withstanding high voltage stress Feb. 18, 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
8629692 State definition and retention circuit Jan. 14, 2014
8629707 AC coupled level shifter Jan. 14, 2014
8624628 Adjustable level shifter Jan. 7, 2014
8618844 Level-shifting interface for a processor-based device Dec. 31, 2013
8598935 System and method for providing a low-power self-adjusting reference current for floating supply stages Dec. 3, 2013
8598934 Level shifter circuit and display driver circuit Dec. 3, 2013
8593204 Amplitude conversion circuit Nov. 26, 2013
8581627 High-speed level shifter between low-side logic and high-side logic Nov. 12, 2013
8575962 Integrated circuit having critical path voltage scaling and method therefor Nov. 5, 2013
8575987 Level shift circuit Nov. 5, 2013
8570067 Method and apparatus for controlling a communication signal by monitoring one or more voltage sources Oct. 29, 2013
8564357 Voltage level shifting circuit Oct. 22, 2013
8559247 Dynamic level shifter for interfacing signals referenced to different power supply domains Oct. 15, 2013
8531229 Level shifting circuit Sep. 10, 2013
8525572 Level-up shifter circuit Sep. 3, 2013
8502559 Level translator Aug. 6, 2013
8502591 High voltage control circuit of semiconductor device Aug. 6, 2013
8502592 Level shift circuit Aug. 6, 2013
8497725 Active pull-up/pull-down circuit Jul. 30, 2013
8493125 Level shift circuit Jul. 23, 2013
8487658 Compact and robust level shifter layout design Jul. 16, 2013
8461899 Negative voltage level shifter circuit Jun. 11, 2013
8458385 Chip having register to store value that represents adjustment to reference voltage Jun. 4, 2013
8446171 Signal processing unit May. 21, 2013
8436650 Programmable logic device May. 7, 2013
8436655 Voltage level shift circuit and semiconductor device May. 7, 2013
8436656 Method and apparatus for saving power in an integrated circuit May. 7, 2013
8432189 Digital voltage level shifter Apr. 30, 2013
8421517 Semiconductor device including power conversion and a drive recorder Apr. 16, 2013
8405422 Level shift circuit Mar. 26, 2013
8390327 Radiation-tolerant level shifting Mar. 5, 2013
8390338 Semiconductor device having signal transfer line Mar. 5, 2013
8378728 Level shifting flip-flop Feb. 19, 2013
8362803 Mode latching buffer circuit Jan. 29, 2013
8358165 Ultra-low voltage level shifting circuit Jan. 22, 2013
8350592 Single supply digital voltage level shifter Jan. 8, 2013
8350593 Semiconductor chip and semiconductor device Jan. 8, 2013
8347253 Designing supply wirings in semiconductor integrated circuit by detecting power supply wiring of specific wiring layer in projection area Jan. 1, 2013
8339176 System and method for providing a low-power self-adjusting reference current for floating supply stages Dec. 25, 2012
8339177 Multiple function power domain level shifter Dec. 25, 2012
8339178 Level shifter and related apparatus Dec. 25, 2012
8334709 Level shifter Dec. 18, 2012
8324955 Level shifter design Dec. 4, 2012
8324933 Implementing dual speed level shifter with automatic mode control Dec. 4, 2012

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