A range sensor and a method thereof. The range sensor includes a light source configured to project a plurality of sheets of light at an angle within a field of view (FOV); an image sensor, wherein the image sensor is offset from the light source; collection optics; and a controller connected to the light source, the image sensor, and the collection optics, and configured to simultaneously determine a range of a distant object based on direct time-of-flight (TOF) and a range of a near object based on triangulation.

A latch circuit includes first and second NAND circuits and first and second capacitive elements. The first NAND circuit has a first input node into which a first signal is input. The second NAND circuit has a first input node into which a second signal is input, a second input node which is connected to an output node of the first NAND circuit, and an output node which is connected to a second input node of the first NAND circuit. The first capacitive element has one end connected to the first input node of the first NAND circuit and has another end connected to the output node of the first NAND circuit. The second capacitive element has one end connected to the first input node of the second NAND circuit and has another end connected to the output node of the second NAND circuit.

The disclosed pulsed latched circuitry includes first and second latch circuits. The first and second latch circuits can be provided with additional logic circuit components to permit them to be operated as a flip-flop circuit, or as a FIFO circuit with a depth of two.

A range sensor and a method thereof. The range sensor includes a light source configured to project a sheet of light at an angle within a field of view (FOV); an image sensor offset from the light source; collection optics; and a controller connected to the light source, the image sensor, and the collection optics, and configured to determine a range of a distant object based on direct time-of-flight and determine a range of a near object based on triangulation. The method includes projecting, by a light source, a sheet of light at an angle within an FOV; offsetting an image sensor from the light source; collecting, by collection optics, the sheet of light reflected off objects; and determining, by a controller connected to the light source, the image sensor, and the collection optics, a range of a distant object based on direct time-of-flight and a range of a near object based on triangulation simultaneously.

A level shifter that includes: a power supply system current source; a second transistor having a third main electrode that is connected to an input voltage signal terminal, a fourth main electrode that is connected to an output voltage signal terminal, and a second control electrode that is connected to a third power supply voltage having a voltage that is lower than a first power supply voltage and higher than a second power supply voltage; a second resistor; and a third transistor having a fifth main electrode that is connected to the second end of the second resistor, a sixth main electrode that is connected to the second power supply voltage, and a third control electrode that is connected to a first control electrode of a first transistor of the power supply system current source.

A latch circuit includes first and second NAND circuits and first and second capacitive elements. The first NAND circuit has a first input node into which a first signal is input. The second NAND circuit has a first input node into which a second signal is input, a second input node which is connected to an output node of the first NAND circuit, and an output node which is connected to a second input node of the first NAND circuit. The first capacitive element has one end connected to the first input node of the first NAND circuit and has another end connected to the output node of the first NAND circuit. The second capacitive element has one end connected to the first input node of the second NAND circuit and has another end connected to the output node of the second NAND circuit.

A level shifter that includes: a power supply system current source; a second transistor having a third main electrode that is connected to an input voltage signal terminal, a fourth main electrode that is connected to an output voltage signal terminal, and a second control electrode that is connected to a third power supply voltage having a voltage that is lower than a first power supply voltage and higher than a second power supply voltage; a second resistor; and a third transistor having a fifth main electrode that is connected to the second end of the second resistor, a sixth main electrode that is connected to the second power supply voltage, and a third control electrode that is connected to a first control electrode of a first transistor of the power supply system current source.

According to certain aspects, a method for clock gating includes receiving an enable signal, and latching a logic value of the enable signal on an edge of an input clock signal. The method also includes passing the latched logic value of the enable signal to a clock-gating output when the input clock signal is logically high, blocking the latched logic value of the enable signal from the clock-gating output when the input clock signal is logically low, and pulling the clock-gating output logically low when the input clock signal is logically low.

A range sensor and a method thereof. The range sensor includes a light source configured to project a sheet of light at an angle within a field of view (FOV); an image sensor offset from the light source; collection optics; and a controller connected to the light source, the image sensor, and the collection optics, and configured to determine a range of a distant object based on direct time-of-flight and determine a range of a near object based on triangulation. The method includes projecting, by a light source, a sheet of light at an angle within an FOV; offsetting an image sensor from the light source; collecting, by collection optics, the sheet of light reflected off objects; and determining, by a controller connected to the light source, the image sensor, and the collection optics, a range of a distant object based on direct time-of-flight and a range of a near object based on triangulation simultaneously.

An apparatus for an integrated clock gating cell is provided. The apparatus includes a logic gate that receives an unbuffered enable signal (E), a scan test enable signal (SE), and outputs an inverted enable signal (EN); a first transmission gate that receives E, SE, and EN; a second transmission gate that is connected to the first transmission gate and receives a clock signal (CK) and an enabled and inverted clock signal (ECKN); a first transistor having terminals connected to a power supply voltage (VDD), an output of the logic gate, and the first transmission gate respectively; a second transistor including terminals connected to the first transmission gate and VDD respectively; and a latch including terminals connected to the second transmission gate and the second transistor respectively.