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Class Information
Number: 326/115
Name: Electronic digital logic circuitry > Function of and, or, nand, nor, or not > Field-effect transistor (e.g., jfet, etc.) > Source-coupled logic (e.g., current mode logic (cml), differential current switch logic (dcsl), etc.)
Description: Subject matter wherein the logic function unit includes an arrangement in which the source channel of plural input transistors are connected to the source and the gate of a referenced transistor, and are commonly grounded (biased) through a current source for performing a nonsaturated, differential logic operation.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8692576 Circuit and methodology for high-speed, low-power level shifting Apr. 8, 2014
8674725 Transmitter circuit Mar. 18, 2014
8659319 Circuitry and method minimizing output switching noise through split-level signaling and bus division enabled by a third power supply Feb. 25, 2014
8653856 Electronic device and method for buffering Feb. 18, 2014
8643340 Powering a circuit by alternating power supply connections in series and parallel with a storage capacitor Feb. 4, 2014
8581628 Low voltage transmitter with high output voltage Nov. 12, 2013
8466712 Direct current (DC) coupling with rail to rail common mode Jun. 18, 2013
8436658 Method and apparatus for signaling characteristics of a transmitted signal May. 7, 2013
8378714 5V tolerant circuit for CML transceiver in AC-couple Feb. 19, 2013
8324939 Differential logic circuit, frequency divider, and frequency synthesizer Dec. 4, 2012
8301093 Receiver circuit and data transmission system Oct. 30, 2012
8228093 Data communication circuit, transmission apparatus, reception apparatus, and transmission/reception system Jul. 24, 2012
8220947 Differential driver circuit Jul. 17, 2012
8164361 Low power complementary logic latch and RF divider Apr. 24, 2012
8159270 Circuitry and methods minimizing output switching noise through split-level signaling and bus division enabled by a third power supply Apr. 17, 2012
8138793 Integrated circuit and method for operating the same Mar. 20, 2012
RE43160 High speed differential signaling logic gate and applications thereof Feb. 7, 2012
8098084 Transmission apparatus for differential communication Jan. 17, 2012
8072242 Merged programmable output driver Dec. 6, 2011
8035420 Semiconductor device and method for operating the same Oct. 11, 2011
8030961 Semiconductor integrated circuit Oct. 4, 2011
8022728 Common-mode voltage controller Sep. 20, 2011
7994825 Serial output circuit, semiconductor device, and serial transmission method Aug. 9, 2011
7990296 High speed low power cell providing serial differential signals Aug. 2, 2011
7969189 Method and system for improved phase noise in a BiCMOS clock driver Jun. 28, 2011
7952388 Semiconductor device May. 31, 2011
7940075 Differential pre-emphasis driver May. 10, 2011
7924056 Low voltage differential signalling driver Apr. 12, 2011
7919985 Current-controlled CMOS circuits with inductive broadbanding Apr. 5, 2011
7893719 Apparatus and methods for self-biasing differential signaling circuitry having multimode output configurations for low voltage applications Feb. 22, 2011
7872503 Combinatorial logic circuit Jan. 18, 2011
7847591 Low jitter CMOS to CML converter Dec. 7, 2010
7821288 Circuit protecting apparatus and associated method, and circuit protecting layer Oct. 26, 2010
7821300 System and method for converting between CML signal logic families Oct. 26, 2010
7821297 Low power output driver Oct. 26, 2010
7812643 Implementing CML multiplexer load balancing Oct. 12, 2010
7808281 Differential common mode logic driver with switching control circuit Oct. 5, 2010
7808269 Semiconductor integrated circuit Oct. 5, 2010
7768306 Low to high voltage conversion output driver Aug. 3, 2010
7768307 Current mode logic-complementary metal oxide semiconductor converter Aug. 3, 2010
7759992 CML circuit and clock distribution circuit Jul. 20, 2010
7755395 Inverter circuit Jul. 13, 2010
7741875 Low amplitude differential output circuit and serial transmission interface using the same Jun. 22, 2010
7737729 Input buffer with optimal biasing and method thereof Jun. 15, 2010
7733128 Transmitting apparatus Jun. 8, 2010
7728630 Method and apparatus for a process, voltage, and temperature variation tolerant semiconductor device Jun. 1, 2010
7724037 Apparatus and methods for self-biasing differential signaling circuitry having multimode output configurations for low voltage applications May. 25, 2010
7710159 Muller-c element May. 4, 2010
7675326 Dynamically-adjustable differential output drivers Mar. 9, 2010
7656198 Method and apparatus for providing a combination differential driver Feb. 2, 2010

1 2 3 4 5 6

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