Matches 1 - 14 out of 14
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7408825 Apparatus and method for repairing a semiconductor memory  
An apparatus and method for repairing a semiconductor memory device includes a first memory cell array, a first redundant cell array and a repair circuit configured to nonvolatilely store a first...
7336548 Clock generating circuit with multiple modes of operation  
A clock generating circuit includes a phase comparison circuit that generates a delay control signal corresponding to the relative phases of an output clock signal and a reference clock signal. A...
7336084 Delay lock circuit having self-calibrating loop  
A delay lock circuit includes a measuring path, a forward path, and a feedback path. The measuring path samples a pulse with a reference signal in a measurement to obtain a measured delay. The...
7215586 Apparatus and method for repairing a semiconductor memory  
An apparatus and method for repairing a semiconductor memory device includes a first memory cell array, a first redundant cell array and a repair circuit configured to nonvolatilely store a first...
7130226 Clock generating circuit with multiple modes of operation  
A clock generating circuit includes a phase comparison circuit that generates a delay control signal corresponding to the relative phases of an output clock signal and a reference clock signal. A...
7102361 Delay lock circuit having self-calibrating loop  
A delay lock circuit includes a measuring path, a forward path, and a feedback path. The measuring path samples a pulse with a reference signal in a measurement to obtain a measured delay. The...
7009407 Delay lock circuit having self-calibrating loop  
A delay lock circuit includes a measuring path, a forward path, and a feedback path. The measuring path samples a pulse with a reference signal in a measurement to obtain a measured delay. The...
6980480 Multi-frequency synchronizing clock signal generator  
An apparatus and method for generating a plurality of synchronizing signals for synchronizing operation of the device in which the apparatus is located, such as in semiconductor memory devices. The...
6937076 Clock synchronizing apparatus and method using frequency dependent variable delay  
A clock signal generator providing an output clock signal synchronized with an input clock signal having an input clock frequency including a frequency dependent variable delay line to accommodate...
6930524 Dual-phase delay-locked loop circuit and method  
A delay-locked loop includes a clock multiplier that generates a multiplied clock signal responsive to an input clock signal. The multiplied clock signal has a frequency that is a multiple of a...
6906566 Dual-phase delay-locked loop circuit and method  
A delay-locked loop includes a clock multiplier that generates a multiplied clock signal responsive to an input clock signal. The multiplied clock signal has a frequency that is a multiple of a...
6803826 Delay-locked loop circuit and method using a ring oscillator and counter-based delay  
A delay-locked loop includes a ring oscillator that generates a plurality of tap clock signals, with one tap clock signal being designated an oscillator clock signal. Each tap clock signal has a...
6759911 Delay-locked loop circuit and method using a ring oscillator and counter-based delay  
A delay-locked loop includes a ring oscillator that generates a plurality of tap clock signals, with one tap clock signal being designated an oscillator clock signal. Each tap clock signal has a...
6715118 Configuration for generating signal impulses of defined lengths in a module with a bist-function  
In the configuration, the module can “learn” one or more time intervals from the external tester and then repeat them internally or compare them to its own internally measured time intervals,...
Matches 1 - 14 out of 14