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7619446 Comparator with reduced power consumption and method for the same  
Techniques pertaining to a comparator circuit with reduced power consumption are disclosed. According to one aspect of the present invention, the comparator unit has a pair of input signal pins VIP...
7479810 Slew-rate detection circuit using switched-capacitor comparators  
In general, in one aspect, the disclosure describes an apparatus that includes a first switched capacitor comparator to be charged to a first reference voltage and to compare an input signal to the...
7339404 Deglitch circuit  
A deglitch circuit capable of removing noise with low power consumption. Voltage is input to a first inverter, connected to a power supply line via a first current source and grounded via a second...
7233173 System and method for providing a low jitter data receiver for serial links with a regulated single ended phase interpolator  
A system and method is disclosed for providing a clock and data recovery circuit that comprises a low jitter data receiver. The low jitter data receiver comprises a phase interpolator, an amplifier...
7123058 Signal detecting circuit and method therefor  
A stable, low power consumption signal detecting circuit may include: a delay circuit, which receives a base clock signal and generates multiple versions thereof having time delay relationships...
7091751 Low-power and low-noise comparator having inverter with decreased peak current  
Low-power and low-noise CDS (correlated double sampling) comparators for use with a CIS (CMOS image sensor) device are provided. A CDS comparator is constructed using one of various low-power...
6734710 Circuit arrangement for pulse generation  
The invention relates to a circuit arrangement for pulse generation, having a capacitor, to which a charging current and a discharging current may be supplied in succession. To generate the...
6628167 Linearized folding amplifier  
A linearized folding amplifier circuit ( 30 ) includes a comparator ( 40 ) that has a first state and a second state, and a switched output circuit that has a pair of outputs. The non-linearity in...
6559689 Circuit providing a control voltage to a switch and including a capacitor  
A circuit for providing a control voltage to a switch includes a capacitor, a first pair of switches for coupling the capacitor to an input voltage source and a second pair of switches for coupling...
6335641 Automatic input threshold selector  
An automatic input threshold selector includes a maximum value level decision circuit, and an input threshold setting circuit. The maximum value level decision circuit decides, among m+1 level...
6204701 Power up detection circuit  
A power-up detection circuit to produce a power-up detection signal detects a reference voltage of a device. After a power-up detection has been produced, a DC current path to ground is established...
6046617 CMOS level detection circuit with hysteresis having disable/enable function and method  
A level detection circuit, such as a Schmitt trigger circuit, has an input threshold voltage which varies depending upon the detection circuit output. The circuit includes a level detection stage,...
5999021 Pad signal detecting circuit in a semiconductor device for detecting a reference voltage in a high-speed interface  
A pad signal detecting circuit for detecting a reference voltage input to a pad of a semiconductor device. This invention may be used in high speed terminated interfaces using a reference voltage,...
5995420 Integrated XNOR flip-flop for cache tag comparison  
An integrated XNOR flip-flop is provided which is faster than conventional XNOR flip-flop combinations. The integrated XNOR flip-flop is faster and uses less area than conventional XNOR flip-flop...
5949258 Data holding circuit  
A data holding circuit is provided that reduces a setup time and hold time when a data is inputted to effectively transmit output data. The data holding circuit includes a latch unit that samples...
5805001 Zero phase circuit for sampled data phase locked loop  
A circuit provides a restart signal to indicate a zero crossing of a continuous varying signal. A zero phase signal is generalized based on a zero crossing of the continuous varying signal. The...
5617045 Input circuit for processing small amplitude input signals  
There is disclosed an input circuit for a semiconductor integrated circuit device wherein a level shift circuit (LS1) adds a constant voltage to an input signal from an input signal terminal (3)...
5438289 Comparator circuit  
The present invention relates to a comparator circuit which is arranged such that detected data signal is waveform-shaped without producing any bit error, so that the data signal as transmitted can...
5331223 Signal supplying unit having means for selecting signal in accordance with terminal connection  
A signal supplying unit includes a plurality of terminals, a plurality of signal sources, each of the plurality of signal sources outputting a signal, a detecting circuit for detecting whether or...
5329192 High speed CMOS current switching circuit  
A CMOS current steering switch, especially well-suited for use in high speed switching circuits, has a differential switch transistor pair connected to a node, to which a current source is also...
5324992 Self-timing integrated circuits having low clock signal during inactive periods  
An integrated circuit function unit operating in a data dependent manner in logic operations of variable lengths of time is provided with a clock signal having a pulse width determined by the...
5289049 Signal input selecting circuits  
A signal input selecting circuit comprises a plurality of signal input terminals, a first switch device for selecting one of signal electrodes of the signal input terminals to be connected with a...
5287012 Semiconductor integrated circuit equipped with diagnostic circuit for checking reference voltage signal supplied to internal step-down circuit  
An internal step-down circuit is incorporated in an integrated circuit device for reduction in power consumption as well as for scaling-down, and produces an internal step-down power voltage level...
5283529 Oscillation maintenance circuit  
A circuit arrangement is described for generating pulses for maintaining the oscillations of a resonance circuit after termination of an outside stimulation of the oscillations by means of an HF...
5181232 Diesel engine revolution counter  
The revolutions of a diesel engine are counted by providing vibration detector converting the vibration propagating through the fuel injection pipe into an electric signal; an amplitude sorter for...
5181226 Threshold level generator  
A threshold level generator for generating threshold levels to detect zero-crossings of a spread spectrum received waveform. An IF sampler quantizes the received spread spectrum signals at IF. The...
5162680 Sense amplifier for programmable logic device  
A sense amplifier for detecting the voltage state (high or low) of the bit line of a programmable logic device with improved switching speed when the voltage state changes. When the bit line is...
5161185 Method and apparatus for reducing noise in a digital voltage signal  
A method and circuitry for reducing noise is provided. The circuit receives a digital data signal at its input (26). The signal is input to a magnitude evaluator (28) and a pass/squelch circuit...
5116342 Trigger circuit with self-adjusting reference value  
The invention relates to a trigger circuit which compares amplitudes of the signal waveform of a periodic signal to reference values dependent upon the previous signal waveform of this signal. A...
5097146 Circuit for detecting high voltage level in MOS technology  
A circuit for detecting the high voltage level of a voltage V cc in MOS technology comprises a voltage source made of at least one P-type MOS transistor and one N-type MOS transistor, and delivers...
5087832 Balanced signal receiving circuit  
A receiving circuit includes of a differential amplifier which receives at an input stage a balanced signal transmitted from a pair of signal transmission lines and outputs a logic "H" or "L". An...
5057709 Current threshold detector circuit  
A dectector circuit responsive to a current suppled to an input thereof provides an output signal when the magnitude of the current exceeds a predetermined threshold level includes a...
5036231 Sense amplifier circuit using then film transistors  
A sense amplifier circuit includes an amplifier including first and second inverter circuits which each have a pair of thin film transistors and are connected in a cross-coupled configuration, a...
4962323 High speed auto zero comparator  
In accordance with the teachings of this invention, a novel auto-zero comparator is provided in which the on resistance of MOS switches serving as transfer gates used in the auto-zero mode to...
4959564 Sense amplifier power down circuitry for programmable logic device  
A Programmable Logic Device includes a programmable array arranged in columns and rows. A sense amplifier is connected to each column of the programmable array and includes a power terminal, a...
4926176 Self-timing analog-to-digital converting system  
A substantially constant current is divided between two lines in accordance with the relative values of an input voltage and a reference voltage respectively introduced to such lines. The currents...
4812680 High voltage detecting circuit  
A high voltage detecting circuit included in a semiconductor device having terminals for generating a control signal in order to start a specific mode of the semiconductor device when a potential...
4798975 High noise immunity input level detector with hysteresis  
A logic interface signal input with a high degree of electrical noise immunity, particularly suited for use in an automative environment for detecting an on/off control signal multiplexed with an...
4769613 Digitalized amplitude detection circuit for analog input signal  
A digitalized detection circuit as an envelope detector of an analog input signal is disclosed. This circuit includes an analog-to-digital converter converting the analog input signal into first...
4749880 Circuit for detecting level of input voltage  
A circuit for detecting the level of an input voltage is disclosed, in which the input voltage is converted into a current and this current is compared with a reference current obtained by...
4746810 Pulse generating circuit  
For producing a pulse train consisting of pulses each having a constant pulse height, there is provided a pulse generating circuit comprises an oscillation circuit having an amplification stage and...
4736391 Threshold control with data receiver  
A binary data receiver data modulated light signals and applies them to a photodetector for producing electrical data signals which are amplified and applied to a data decision circuit. The data...
4721865 Analog signal level detector  
The invention relates to a detector of the mean level of a signal particularly intended to indicate whether an expected alternating signal is absent or present. This detector uses an analog...
4716323 Power voltage drop detecting circuit  
A power voltage drop detecting circuit includes VDD and ground terminals supplied with power voltage VD, a resistor connected at one end to the VDD terminal, a MOS transistor connected between the...
4709165 Voltage supply level detecting circuit  
A voltage supply level detecting circuit comprising a P-channel MIS transistor and an N-channel MIS transistor, the P-channel and N-channel MIS transistors being connected in series between the...
4700085 Circuit for detecting signal charges transferred in a charge transfer device  
The signal charge detector includes a charge-voltage converter, a pre-charge transistor pre-charging the charge-voltage converter to a first voltage, a first amplifier receiving the voltage at the...
4698523 Servo data demodulator  
There is disclosed herein a servo data demodulator for use in magnetic head positioning servo system for disk drives. The demodulator is comprised of a single peak detector which detects the...
4674035 Supervisory circuit for a programmed processing unit  
A supervisory circuit for use in an integrated circuit to supervise the program execution of a processing unit is disclosed. The processing unit generates a restart signal at a particular duty...
4659944 High voltage detection circuit  
A voltage detecting circuit is provided for generating an output signal when an input signal exceeds the power supply voltage by a predetermined amount. A reference current is established by an...
4654545 Overvoltage comparator  
A comparator for comparing a first current proportional to an input voltage against a relatively constant reference current produced by a bandgap reference circuit. The comparator includes...
Matches 1 - 50 out of 166 1 2 3 4 >