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Class Information
Number: 326/85
Name: Electronic digital logic circuitry > Interface (e.g., current drive, level shift, etc.) > Current driving (e.g., fan in/out, off chip driving, etc.) > Field-effect transistor > Bi-cmos > Having plural output pull-up or pull-down transistors
Description: Subject matter wherein multiple transistors at the circuit output help maintain the output at logic high (pull-up) or logic low (pull-down) levels as needed.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8471602 Output driver and semiconductor apparatus having the same Jun. 25, 2013
8451031 Adjustable finite impulse response transmitter May. 28, 2013
8395421 Configurable buffer circuits and methods Mar. 12, 2013
8310275 High voltage tolerant input/output interface circuit Nov. 13, 2012
8242802 Location-based bus termination for multi-core processors Aug. 14, 2012
8242812 Buffer circuit Aug. 14, 2012
8207760 Method and apparatus switching a semiconductor switch with a multi-stage drive circuit Jun. 26, 2012
8174294 Configurable buffer circuits and methods May. 8, 2012
8089303 High-voltage solid-state switch Jan. 3, 2012
8085081 Semiconductor device for output of pulse waveforms Dec. 27, 2011
RE43015 Capacitive high-side switch driver for a power converter Dec. 13, 2011
8063664 Distributed supply current switch circuits for enabling individual power domains Nov. 22, 2011
8030968 Staged predriver for high speed differential transmitter Oct. 4, 2011
7977721 High voltage tolerant metal-oxide-semiconductor device Jul. 12, 2011
7940083 Semiconductor integrated circuit May. 10, 2011
7876129 Load sense and active noise reduction for I/O circuit Jan. 25, 2011
7843225 Protocol-based bus termination for multi-core processors Nov. 30, 2010
7711870 Interface detecting circuit and interface detecting method May. 4, 2010
7710169 Semiconductor integrated circuit controlling output impedance and slew rate May. 4, 2010
7692450 Bi-directional buffer with level shifting Apr. 6, 2010
7688115 CMOS output driver Mar. 30, 2010
7683670 High-speed low-power integrated circuit interconnects Mar. 23, 2010
7679414 Method and apparatus for tuning delay Mar. 16, 2010
7668021 Semiconductor memory device including output driver Feb. 23, 2010
7659746 Distributed supply current switch circuits for enabling individual power domains Feb. 9, 2010
7659754 CMOS power switching circuit usable in DC-DC converter Feb. 9, 2010
7646220 Reduced voltage subLVDS receiver Jan. 12, 2010
7639062 Electronic device and communication device comprising the same Dec. 29, 2009
7595645 Calibration circuit and semiconductor device incorporating the same Sep. 29, 2009
7583105 Pull-up circuit Sep. 1, 2009
7545184 Analog buffer in a source driver Jun. 9, 2009
7532047 Mixed-voltage input/output buffer May. 12, 2009
7362146 Large supply range differential line driver Apr. 22, 2008
7355449 High-speed serial data transmitter architecture Apr. 8, 2008
7348811 Equalizing transceiver with reduced parasitic capacitance Mar. 25, 2008
7327166 Reference buffer with improved drift Feb. 5, 2008
7301371 Transmitter of a semiconductor device Nov. 27, 2007
7295042 Buffer Nov. 13, 2007
7285990 High-precision buffer circuit Oct. 23, 2007
7274223 Semiconductor device Sep. 25, 2007
7253665 Semiconductor device and driving method thereof Aug. 7, 2007
7187207 Leakage balancing transistor for jitter reduction in CML to CMOS converters Mar. 6, 2007
7161379 Shunted current reduction Jan. 9, 2007
7142017 High-voltage-tolerant feedback coupled I/O buffer Nov. 28, 2006
7126389 Method and apparatus for an output buffer with dynamic impedance control Oct. 24, 2006
7095246 Variable impedance output buffer Aug. 22, 2006
7068074 Voltage level translator circuit Jun. 27, 2006
6998880 Driver circuit Feb. 14, 2006
6967512 Multiphase-clock processing circuit and clock multiplying circuit Nov. 22, 2005
6919738 Output buffer circuit, memory chip, and semiconductor device having a circuit for controlling buffer size Jul. 19, 2005

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