H03K5/151

SINGLE-ENDED-TO-DIFFERENTIAL CONVERTER
20180013423 · 2018-01-11 ·

A single-ended-to-differential converter for driving an LVDS (Low Voltage Differential Signaling) driving circuit includes a first converting circuit, a second converting circuit, and a controller. The first converting circuit converts an input signal into a first output signal. The first converting circuit has a tunable delay time. The second converting circuit converts the input signal into a second output signal. The second converting circuit has a fixed delay time. The controller generates a first control signal and a second control signal according to the first output signal and the second output signal, so as to adjust the tunable delay time of the first converting circuit.

DRIVER CIRCUIT FOR LOW VOLTAGE DIFFERENTIAL SIGNALING, LVDS, LINE DRIVER ARRANGEMENT FOR LVDS AND METHOD FOR OPERATING AN LVDS DRIVER CIRCUIT
20230231476 · 2023-07-20 · ·

A driver circuit for low voltage differential signaling, LVDS, includes a phase alignment circuit including an input configured to receive an input signal, a first output configured to provide an internal signal as a function of the input signal, and a second output configured to provide an inverted internal signal, which is the inverted signal of the internal signal, and an output driver circuit coupled to the phase alignment circuit, the output driver circuit including a first input configured to receive the internal signal, a second input configured to receive the inverted internal signal, a first output configured to provide an output signal as a function of the internal signal and a second output configured to provide an inverted output signal which is the inverted signal of the output signal. Therein the phase alignment circuit is configured to provide the inverted internal signal with its phase being aligned to a phase of the internal signal.

DUAL-CLOCK GENERATION CIRCUIT AND METHOD AND ELECTRONIC DEVICE
20230021203 · 2023-01-19 ·

The present disclosure relates to a dual-clock generation circuit and method and an electronic device, and relates to the technical field of integrated circuits. The dual-clock generation circuit includes: a first inverter module, configured to access a first signal and output a first clock output signal; a second inverter module, configured to access a second signal and output a second clock output signal, where the first signal and the second signal are opposite clock signals; a first feedforward buffer, disposed between an input terminal of the first inverter module and an output terminal of the second inverter module, and configured to transmit the first signal to compensate for the second clock output signal.

STAGGERING SIGNAL GENERATION CIRCUIT AND INTEGRATED CHIP
20230014288 · 2023-01-19 · ·

A staggering signal generation circuit includes a pulse generation circuit, a counting circuit and a signal generation circuit. The pulse generation circuit generates a first periodic pulse signal and a second periodic pulse signal; the counting circuit counts the first periodic pulse signal and the second periodic pulse signal to generate rising edge triggering signals and falling edge triggering signals; and the signal generation circuit generate a staggering pulse signal according to the input rising edge triggering signals and the input falling edge triggering signals.

SIGNAL GENERATING CIRCUIT AND METHOD, AND SEMICONDUCTOR MEMORY
20230005516 · 2023-01-05 · ·

A signal generating circuit includes the following: a clock circuit, configured to receive an external clock signal to generate an internal clock signal; a controlling circuit, configured to generate a control signal according to the frequency of the external clock signal; and a generating circuit, connected with the clock circuit and the controlling circuit respectively, and configured to receive the internal clock signal, the control signal and a flag signal to generate a target signal. When the flag signal changes from a first level to a second level, the target signal is changed from a third level to a fourth level, and after the target signal maintains the fourth level for a target time length, the target signal is changed from the fourth level to the third level. The generating circuit is further configured to determine the target time length according to the internal clock signal and the control signal.

SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR STORAGE DEVICE, MEMORY SYSTEM, AND FREQUENCY GENERATION METHOD
20220416795 · 2022-12-29 · ·

A semiconductor integrated circuit includes a first oscillator configured to generate a first signal with a first frequency based on a control signal and output the first signal to a path. The semiconductor integrated circuit includes a control signal generation circuit operatively coupled to the first oscillator via the path, and configured to receive the first signal from the first oscillator via the path and generate the control signal. The semiconductor integrated circuit includes a second oscillator configured to generate a second signal with a second frequency based on the control signal and output the second signal to an output terminal outside the path.

SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR STORAGE DEVICE, MEMORY SYSTEM, AND FREQUENCY GENERATION METHOD
20220416795 · 2022-12-29 · ·

A semiconductor integrated circuit includes a first oscillator configured to generate a first signal with a first frequency based on a control signal and output the first signal to a path. The semiconductor integrated circuit includes a control signal generation circuit operatively coupled to the first oscillator via the path, and configured to receive the first signal from the first oscillator via the path and generate the control signal. The semiconductor integrated circuit includes a second oscillator configured to generate a second signal with a second frequency based on the control signal and output the second signal to an output terminal outside the path.

SYSTEMS AND METHODS FOR CONCURRENTLY DRIVING CLOCK PULSE AND CLOCK PULSE COMPLEMENT SIGNALS IN LATCHES OF AN APPLICATION-SPECIFIC INTEGRATED CIRCUIT

Embodiments of the present invention provide for a core stage in an application-specific integrated circuit core which drives both a clock pulse signal and a clock pulse negative/complement signal concurrently, thereby resulting in perfectly aligned signals. The core stage can include a pulse generator, a clock distribution circuit, and a set of latches.

Dead time adjusting circuit
09847779 · 2017-12-19 · ·

In a dead time adjusting circuit, a switch voltage appearing at a connection node between a first output switch and a second output switch, which are connected in series between two different potentials, is monitored to detect a first dead time, which is from a time at which the second output switch is turned off to a time at which the first output switch is turned on, and a second dead time, which is from a time at which the first output switch is turned off to a time at which the second output switch is turned on, each of the first and second dead times being feedback-controlled to be identical to a predetermined target value.

Adaptively controlled duty cycle clock generation circuit
09838029 · 2017-12-05 · ·

A clock generation circuit coupled to an integrator circuit uses a variable resistance that is adjusted in a transconductance bias feedback circuit. This resistance is calibrated to the reciprocal of the transconductance of the input amplifier. The product of the adjusted resistance and a capacitance in the clock generation circuit provides a time constant for the settling time of the integrator and controls a pulse width of an adaptively controlled duty cycle output clock.