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Class Information
Number: 326/21
Name: Electronic digital logic circuitry > Signal sensitivity or transmission integrity
Description: Subject matter including a device to improve the reception of input signals at the logic circuit, or a device to maintain without distortion the logic signals produced at either (a) an output for coupling or interfacing to another stage or stages or (b) an intermediate location of the logic circuit to preclude signal or transmission deterioration (e.g., by power dissipation or by reflection, etc.).










Sub-classes under this class:

Class Number Class Name Patents
326/30 Bus or line termination (e.g., clamping, impedance matching, etc.) 2,058
326/22 Input noise margin enhancement 98
326/26 Output switching noise reduction 627
326/29 Pulse shaping (e.g., squaring, etc.) 129
326/31 Signal level or switching threshold stabilization 296


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

Patent Number Title Of Patent Date Issued
8705636 Passive single-ended line test Apr. 22, 2014
8692574 Methods and systems for reducing supply and termination noise Apr. 8, 2014
8674720 Semiconductor device and method of adjusting an impedance of an output buffer Mar. 18, 2014
8648619 Termination for complementary signals Feb. 11, 2014
8645724 Redriver circuits with power saving modes Feb. 4, 2014
8644365 Providing voltage isolation on a single semiconductor die Feb. 4, 2014
8643398 Placing integrated circuits into low voltage mode for standby purposes Feb. 4, 2014
8625728 System and method for reducing electromagnetic interference and ground bounce in an information communication system by controlling phase of clock signals among a plurality of information comm Jan. 7, 2014
8621256 Signal processing device, signal processing method, and program Dec. 31, 2013
8610456 Load detecting impedance matching buffer Dec. 17, 2013
8610485 Gate drive circuit Dec. 17, 2013
8570062 EMI shielding circuit and semiconductor integrated circuit including the same Oct. 29, 2013
8564327 USB isolator with advanced control features Oct. 22, 2013
8564328 High speed signaling system with adaptive transmit pre-emphasis Oct. 22, 2013
8552758 Semiconductor integrated circuit with data transmitting and receiving circuits Oct. 8, 2013
8525547 USB isolator with advanced control features Sep. 3, 2013
8508250 Asymmetrical bus keeper Aug. 13, 2013
8497700 Systems and methods for propagating digital data across an isolation barrier Jul. 30, 2013
8497699 Output driver robust to data dependent noise Jul. 30, 2013
8493804 Memory cell array latchup prevention Jul. 23, 2013
8476931 Semiconductor device Jul. 2, 2013
8461868 Chip comprising a signal transmitting circuit, communication system between multiple chips and its configuration method Jun. 11, 2013
8451021 Calibrating on-chip resistors via a daisy chain scheme May. 28, 2013
8432182 USB isolator with advanced control features Apr. 30, 2013
8427196 System for processing analog-type electrical signals with low noise driving device Apr. 23, 2013
8421496 Digital logic circuit and manufacture method thereof Apr. 16, 2013
RE44134 Universal input apparatus Apr. 9, 2013
8407653 Method and system of estimating a derating factor for soft errors in a circuit Mar. 26, 2013
8395410 Semiconductor integrated circuit and system of controlling the same Mar. 12, 2013
8395433 Input-output device protection Mar. 12, 2013
8390312 Device for monitoring the operation of a digital circuit Mar. 5, 2013
8390314 Method of half-bit pre-emphasis for multi-level signal Mar. 5, 2013
8384420 Preventing hangs in a system with synchronized operation using stalls Feb. 26, 2013
8384422 Terminal resistance device, semiconductor device, and control method for terminal resistance Feb. 26, 2013
8373435 Method and apparatus for handling an output mismatch Feb. 12, 2013
8362805 Power switch ramp rate control using daisy-chained flops Jan. 29, 2013
8344761 3-level line driver Jan. 1, 2013
8339161 High performance voltage buffers with distortion cancellation Dec. 25, 2012
8314632 Method and system for placing integrated circuits into predominantly ultra-low voltage mode for standby purposes Nov. 20, 2012
8305871 Crosstalk minimization in serial link systems Nov. 6, 2012
8299821 Integrated gate driver circuit Oct. 30, 2012
8289045 Low-jitter high-frequency clock channel Oct. 16, 2012
8283946 Signaling systems, preamplifiers, memory devices and methods Oct. 9, 2012
8269521 Multi-chip stacked system and chip select apparatus thereof Sep. 18, 2012
8264252 Termination circuit, semiconductor device, and electronic device Sep. 11, 2012
8253437 Reduction of signal skew Aug. 28, 2012
8253436 Semiconductor integrated circuit with data transmitting and receiving circuits Aug. 28, 2012
8228091 False-link protection circuit and method for utilizing same Jul. 24, 2012
8222919 Multichannel interfacing device having a termination circuit Jul. 17, 2012
8213894 Integrated circuit passive signal distribution Jul. 3, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
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