G11C19/00

Data shift apparatuses and methods
09761300 · 2017-09-12 · ·

The present disclosure includes data shift apparatuses and methods. An example apparatus includes a memory device. The example memory device includes an array of memory cells and sensing circuitry coupled to the array via a plurality of sense lines. A first shared input/output (I/O) line is configured to selectably couple a first subset of the plurality of sense lines and a second shared I/O line is configured to selectably couple a second subset of the plurality of sense lines. A shift element is configured to selectably couple the first shared I/O line to the second shared I/O line to enable a data shift operation. A controller is configured to direct selectable coupling of the array, the sensing circuitry, and the shift element to enable a shift of a data value from the first shared I/O line to the second shared I/O line.

Shift register unit, gate driving circuit and driving method thereof

The embodiments of the present disclosure provide a shift register unit, a gate driving circuit and a driving method thereof, and a display device. The shift register unit, includes two transfer gate modules (211, 212), two NOR gate modules (NOR1, NOR2), two AND gate modules (AND3, AND4), two capacitor modules (241, 241), and two inverter modules (225, 227). The shift register unit provided in the present disclosure can make the layout area occupied by the corresponding gate driving circuit reduce greatly as compared with that occupied by the gate driving circuit in the prior art, which facilitates border narrowing of the corresponding display device.

Shift register and display device provided with the same

A unit circuit of a shift register includes an output transistor whose control terminal is connected to a first node, first and second set transistors, first and second reset transistors, a control signal generating circuit that generates a control signal that changes to an on level when a first clock signal changes to an on level while the potential of the first node is at an off level, and that outputs the generated control signal to the unit circuits at a preceding stage and a next stage, a transistor that applies an off-level potential to the first node based on a control signal output from the unit circuit at the preceding stage, and a transistor that applies an off-level potential to the first node based on a control signal output from the unit circuit at the next stage.

Shift register and display device including the same
11195591 · 2021-12-07 · ·

The present disclosure provides a shift register, the register including n stages, each being configured for performing forward and reverse operations, wherein in the forward operation, a gate signal is output in a forward direction, wherein in the reverse operation, a gate signal is output in a reverse direction, wherein a n-th stage among the n stages includes: a charging unit configured for charging a Q node in a response to a reception of a forward start signal or a reverse start signal; a gate signal output unit configured for outputting a gate signal in a response to the Q node being charged by the charging unit; and a discharging unit configured for discharging the Q node after the output unit has outputted the gate signal, wherein the charging unit includes a dummy transistor and a reverse start transistor, both being connected to the Q node.

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR STORAGE DEVICE
20210373784 · 2021-12-02 · ·

A semiconductor device of an embodiment includes a seed generator circuit configured to generate a seed from inputted data by using first random number sequence data generated by an XorShift circuit; and a random number generator circuit configured to receive the seed as input to generate second random number sequence data by a second XorShift circuit.

Shift register unit circuit and driving method, shift register, gate drive circuit, and display apparatus

A shift register unit circuit includes an input sub-circuit, a pull-up sub-circuit, a pull-down control sub-circuit, a pull-down sub-circuit, and a voltage regulating sub-circuit. The input sub-circuit receives an input signal from a signal input terminal to control a potential of a pull-up node. The pull-up sub-circuit outputs a gate driving signal to an output terminal under control of the potential of the pull-up node and a signal from a first signal terminal. The pull-down control sub-circuit conducts a pull-down node with a first node under control of a signal from the second signal terminal. The pull-down sub-circuit conducts the pull-up node with the first node and the turn-down signal terminal with the output terminal under control of a potential of the pull-down node. The voltage regulating sub-circuit conducts the first node with the turn-down signal terminal under control of a potential of the first node.

METHOD OF GENERATING A PWM SIGNAL AND CIRCUIT FOR GENERATING A PWM SIGNAL
20220189384 · 2022-06-16 ·

A circuit for generating a PWM signal includes a shift register having a plurality of clock-controlled register units. Each clock-controlled register unit has an input and an output. The circuit also includes a write unit configured to set the outputs of the register units each to a designated logical value. The circuit further includes a clock generator configured to drive the register units with a common clock signal. The register units are connected in series. The shift register is configured to output the PWM signal at an output contact. The PWM signal is a chronological sequence of the logical values set in the register units, the PWM signal assumes each of the logical values with the duration of one clock of the clock signal, the clock signal is cyclic, during one cycle the duration of successive clocks changes, and the clock signal is identical per cycle.

METHOD OF GENERATING A PWM SIGNAL AND CIRCUIT FOR GENERATING A PWM SIGNAL
20220189384 · 2022-06-16 ·

A circuit for generating a PWM signal includes a shift register having a plurality of clock-controlled register units. Each clock-controlled register unit has an input and an output. The circuit also includes a write unit configured to set the outputs of the register units each to a designated logical value. The circuit further includes a clock generator configured to drive the register units with a common clock signal. The register units are connected in series. The shift register is configured to output the PWM signal at an output contact. The PWM signal is a chronological sequence of the logical values set in the register units, the PWM signal assumes each of the logical values with the duration of one clock of the clock signal, the clock signal is cyclic, during one cycle the duration of successive clocks changes, and the clock signal is identical per cycle.

Shift register unit, gate driving circuit and control method thereof and display apparatus

Provided are a shift register unit and a control method thereof, a gate driving circuit and a control method thereof, and a display apparatus. The shift register unit may include: a first shift register coupled to an input signal terminal, a first clock signal terminal and a second clock signal terminal. The first shift register is configured to generate a first output signal based on the signal at the first clock signal terminal and generate a second output signal based on the signal at the second clock signal terminal; and a second shift register coupled to the input signal terminal and a third clock signal terminal, the second shift register is configured to generate a third output signal based on the signal at the third clock signal terminal; and a pull-up node of the first shift register is coupled to a pull-up node of the second shift register.

Pulse signal output circuit and shift register

An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided.