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Class Information
Number: 326/62
Name: Electronic digital logic circuitry > Interface (e.g., current drive, level shift, etc.)
Description: Subject matter comprising an intermediate circuit or a coupling circuit for providing an operational compatibility between noncommon logic function devices or between a logic function device and its circuit environment.










Sub-classes under this class:

Class Number Class Name Patents
326/82 Current driving (e.g., fan in/out, off chip driving, etc.) 1,124
326/63 Logic level shifting (i.e., interface between devices of different logic families) 418
326/80 Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels) 733


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

Patent Number Title Of Patent Date Issued
8686785 Level shifter Apr. 1, 2014
8686782 Structure for a frequency adaptive level shifter circuit Apr. 1, 2014
8674745 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit Mar. 18, 2014
8659341 System and method for level-shifting voltage signals using a dynamic level-shifting architecture Feb. 25, 2014
8659342 Low power level shifter with output swing control Feb. 25, 2014
8635570 Self-configuring components on a device Jan. 21, 2014
8624627 Method and device for low power control Jan. 7, 2014
8598935 System and method for providing a low-power self-adjusting reference current for floating supply stages Dec. 3, 2013
8593203 High signal level compliant input/output circuits Nov. 26, 2013
8593204 Amplitude conversion circuit Nov. 26, 2013
8576640 Data output apparatus and method for outputting data thereof Nov. 5, 2013
8558603 Multiplexer with level shifter Oct. 15, 2013
8558577 Systems and methods for bidirectional signal separation Oct. 15, 2013
8542051 Level shift circuit and semiconductor device Sep. 24, 2013
8531204 Testable integrated circuit and test method therefor Sep. 10, 2013
8493124 Low minimum power supply voltage level shifter Jul. 23, 2013
8482038 Semiconductor device Jul. 9, 2013
8461897 Apparatus and method for well buffering Jun. 11, 2013
8446171 Signal processing unit May. 21, 2013
8441301 Cascoded level shifter protection May. 14, 2013
8421516 Apparatus and method providing an interface between a first voltage domain and a second voltage domain Apr. 16, 2013
8421518 High speed level shifters and method of operation Apr. 16, 2013
8405422 Level shift circuit Mar. 26, 2013
8400206 Low voltage input level shifter circuit and method for utilizing same Mar. 19, 2013
8395416 Incorporating an independent logic block in a system-on-a-chip Mar. 12, 2013
8373485 Voltage level shifting apparatus Feb. 12, 2013
8373486 Structure for a frequency adaptive level shifter circuit Feb. 12, 2013
8373586 Configurable analog input circuit Feb. 12, 2013
8339177 Multiple function power domain level shifter Dec. 25, 2012
8339176 System and method for providing a low-power self-adjusting reference current for floating supply stages Dec. 25, 2012
8331167 Data output apparatus and method for outputting data thereof Dec. 11, 2012
8289044 Semiconductor integrated circuit including a power controllable region Oct. 16, 2012
8248348 Level shifter circuit and display device provided therewith Aug. 21, 2012
8237487 Level shift circuit and display device having the same Aug. 7, 2012
8228320 Integrated circuit device, electro-optical device, and electronic apparatus Jul. 24, 2012
8213887 Pre-distorting a transmitted signal for offset cancellation Jul. 3, 2012
8203373 Apparatus and method for efficient level shift Jun. 19, 2012
8193849 Generating a full rail signal Jun. 5, 2012
8174303 Level shifter with output spike reduction May. 8, 2012
8166222 USB transceiver circuitry including 5 volt tolerance protection Apr. 24, 2012
8159271 Scan driver Apr. 17, 2012
8159486 Level converter circuit and a liquid crystal display device employing the same Apr. 17, 2012
8149016 Interface circuit Apr. 3, 2012
8149017 Low-voltage to high-voltage level translation using capacitive coupling Apr. 3, 2012
8138815 Level converter Mar. 20, 2012
8134400 Semiconductor circuit Mar. 13, 2012
8125244 Low voltage electronic module interface Feb. 28, 2012
8120984 High-voltage selecting circuit which can generate an output voltage without a voltage drop Feb. 21, 2012
8115533 Voltage level shifter and semiconductor device having the same therein Feb. 14, 2012
8106699 High signal level compliant input/output circuits Jan. 31, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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