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Class Information
Number: 327/263
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Having specific delay in producing output waveform > Delay interval set by rising or falling edge
Description: Subject matter wherein the delay time is determined by either (a) the interval between the occurrence of leading or trailing edges of a pulse signal or (b) the amount of time for the leading or trailing edge of a pulse waveform to rise or fall to a particular value.

Sub-classes under this class:

Class Number Class Name Patents
327/264 Having specific active circuit element or structure (e.g., fet, complementary transistors, etc.) 162
327/268 Having specific passive circuit element or structure (e.g., rlc circuit, etc.) 25

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7421607 Method and apparatus for providing symmetrical output data for a double data rate DRAM Sep. 2, 2008
7400555 Built in self test circuit for measuring total timing uncertainty in a digital data path Jul. 15, 2008
7394300 Adjustable delay cells and delay lines including the same Jul. 1, 2008
7388442 Digitally controlled oscillator for reduced power over process variations Jun. 17, 2008
7385543 Systems and methods for asynchronous triggering of an arbitrary waveform generator Jun. 10, 2008
7382171 Semiconductor circuit for detecting a signal propagation time Jun. 3, 2008
7378891 Measure-controlled circuit with frequency control May. 27, 2008
7378892 Device for setting a clock delay May. 27, 2008
7348821 Programmable high-resolution timing jitter injectors high-resolution timing jitter injectors Mar. 25, 2008
7328115 Quality assurance IC having clock trimmer Feb. 5, 2008
7295054 Buffer capable of controlling slew rate in drive IC Nov. 13, 2007
7295055 Device for eliminating clock signal noise in a semiconductor integrated circuit Nov. 13, 2007
7271638 Delay circuit and delay synchronization loop device Sep. 18, 2007
7263117 Dual control analog delay element and related delay method Aug. 28, 2007
7212057 Measure-controlled circuit with frequency control May. 1, 2007
7202725 Delay control circuit device, and a semiconductor integrated circuit device and a delay control method using said delay control circuit device Apr. 10, 2007
7157951 Digital clock manager capacitive trim unit Jan. 2, 2007
7154320 Frequency-based slope-adjustment circuit Dec. 26, 2006
7135906 Delay circuit and delay synchronization loop device Nov. 14, 2006
7132868 Semiconductor device Nov. 7, 2006
7123071 Method and device for producing delayed signals Oct. 17, 2006
7116126 Intelligent delay insertion based on transition Oct. 3, 2006
7102407 Programmable clock delay circuit Sep. 5, 2006
7100067 Data transmission error reduction via automatic data sampling timing adjustment Aug. 29, 2006
7071751 Counter-controlled delay line Jul. 4, 2006
7030675 Apparatus and method for controlling a delay chain Apr. 18, 2006
7030676 Timing circuit for separate positive and negative edge placement in a switching DC-DC converter Apr. 18, 2006
6998893 Circuit and method for inducing jitter to a signal Feb. 14, 2006
6995596 Process and skew tolerant precharge circuit Feb. 7, 2006
6995590 Hybrid phase/delay locked loop circuits and methods Feb. 7, 2006
6992532 IGFET and tuning circuit Jan. 31, 2006
6990596 Memory device outputting read data in a time starting from a rising edge of an external clock that is shorter than that of known devices Jan. 24, 2006
6985017 Method and system for pulse waveform variable edge control Jan. 10, 2006
6943607 Method and device for generating delay signal Sep. 13, 2005
6914467 Dual edge programmable delay unit Jul. 5, 2005
6897696 Duty-cycle adjustable buffer and method and method for operating same May. 24, 2005
6894548 Circuit for modifying a clock signal to achieve a predetermined duty cycle May. 17, 2005
6891399 Variable pulse width and pulse separation clock generator May. 10, 2005
6889334 Multimode system for calibrating a data strobe delay for a memory read operation May. 3, 2005
6842061 Timing generating apparatus and test apparatus Jan. 11, 2005
6812765 Pulsed signal transition delay adjusting circuit Nov. 2, 2004
6812764 Timing control circuit for use of a semiconductor device Nov. 2, 2004
6801070 Measure-controlled circuit with frequency control Oct. 5, 2004
6791384 Delay adjustment circuit for delay locked loop Sep. 14, 2004
6791381 Method and apparatus for reducing the lock time of a DLL Sep. 14, 2004
6771106 Programmable delay for processor control signals Aug. 3, 2004
6769044 Input/output interface and semiconductor integrated circuit having input/output interface Jul. 27, 2004
6715086 Data processing system and method having time-span support for input device driver Mar. 30, 2004
6657473 Delay circuit having delay time adjustable by current Dec. 2, 2003
6653877 Semiconductor device capable of internally adjusting delayed amount of a clock signal Nov. 25, 2003

1 2 3 4 5

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