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Class Information
Number: 326/68
Name: Electronic digital logic circuitry > Interface (e.g., current drive, level shift, etc.) > Logic level shifting (i.e., interface between devices of different logic families) > Field-effect transistor (e.g., jfet, mosfet, etc.)
Description: Subject matter wherein the interfacing circuit includes a unipolar transistor in which current carriers are injected at a source terminal and pass to a drain terminal through a channel of semiconductor material whose conductivity depends largely on an electrical field applied to the semiconductor from a control electrode (gate).










Sub-classes under this class:

Class Number Class Name Patents
326/69 Ecl to/from gaas fet (e.g., mesfet, etc.) 19
326/73 Ecl to/from mos 108
326/74 Ecl to/from ttl 19
326/70 Ttl to/from mos 67


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8704579 Level shifting circuit and semiconductor device using the same Apr. 22, 2014
8692576 Circuit and methodology for high-speed, low-power level shifting Apr. 8, 2014
8680912 Level shifting circuitry Mar. 25, 2014
8674745 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit Mar. 18, 2014
8669803 High speed level shifter for converting low input voltage into wide-range high output voltage Mar. 11, 2014
8653852 Voltage level shifter with dynamic circuit structure having discharge delay tracking Feb. 18, 2014
8638121 Semiconductor device Jan. 28, 2014
8629692 State definition and retention circuit Jan. 14, 2014
8618861 Level shifter Dec. 31, 2013
8618836 Complementary metal oxide semiconductor (CMOS) buffer Dec. 31, 2013
8610462 Input-output circuit and method of improving input-output signals Dec. 17, 2013
8604828 Variable voltage CMOS off-chip driver and receiver circuits Dec. 10, 2013
8598934 Level shifter circuit and display driver circuit Dec. 3, 2013
8581630 Signal driver circuit having adjustable output voltage for a high logic level output signal Nov. 12, 2013
8570066 Inverter, NAND gate, and NOR gate Oct. 29, 2013
8559247 Dynamic level shifter for interfacing signals referenced to different power supply domains Oct. 15, 2013
8558602 Semiconductor integrated circuit Oct. 15, 2013
8547139 CMOS logic integrated circuit Oct. 1, 2013
8531230 Input circuit Sep. 10, 2013
8502560 Output circuit and output control system Aug. 6, 2013
8502813 Semiconductor device including level shifter, display device including the semiconductor device and method of operating the semiconductor device Aug. 6, 2013
8497726 Level shifter Jul. 30, 2013
8476930 Level shifter with embedded logic and low minimum voltage Jul. 2, 2013
8436654 Level converter circuit for use in CMOS circuit device provided for converting signal level of digital signal to higher level 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
8421496 Digital logic circuit and manufacture method thereof Apr. 16, 2013
8421501 Digital data handling in a circuit powered in a high voltage domain and formed from devices designed for operation in a lower voltage domain Apr. 16, 2013
8410816 Low-swing signaling scheme for data communication Apr. 2, 2013
8410841 Input/output circuit Apr. 2, 2013
8405422 Level shift circuit Mar. 26, 2013
8400184 Semiconductor device and level shift circuit using the same Mar. 19, 2013
8384431 Voltage level shifting apparatuses and methods Feb. 26, 2013
8378718 Dynamic switch driver for low-distortion programmable-gain amplifier Feb. 19, 2013
8368425 Level shifter Feb. 5, 2013
8368427 Semiconductor device, driving method thereof and electronic device Feb. 5, 2013
8362803 Mode latching buffer circuit Jan. 29, 2013
8358151 Receiver circuitry for receiving reduced swing signals from a channel Jan. 22, 2013
8350592 Single supply digital voltage level shifter Jan. 8, 2013
8339178 Level shifter and related apparatus Dec. 25, 2012
8334710 Level conversion circuit Dec. 18, 2012
8324934 Programmable buffer Dec. 4, 2012
8324954 Voltage level shifter and buffer using same Dec. 4, 2012
8295103 Level shifting circuit and nonvolatile semiconductor memory apparatus using the same Oct. 23, 2012
8278969 Method and apparatus for voltage level shifting with concurrent synchronization Oct. 2, 2012
8258848 Level shifter Sep. 4, 2012
8217701 Level shifter Jul. 10, 2012
8207755 Low leakage power detection circuit Jun. 26, 2012
8198916 Digital signal voltage level shifter Jun. 12, 2012

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