Taiwan Semiconductor Manufacturing Comp. Ltd.

Tsung-Che Lu

Chin-Ming Fu

Chih-Hsien Chang

Chih-hsien Chang

Chih-Fu Chang

Sheng Chiang Hung

Method and apparatus for optimizing circuit design are disclosed. In one aspect, the method includes receiving a circuit design of an integrated circuit and identifying a first circuit design of a first subsystem of the IC and a second circuit design of a second subsystem of the IC. The first subsystem operates on a plurality of digital variable signals and the second subsystem operates on a plurality of analog variable signals. The method also includes synthesizing a first HDL netlist based on the first circuit design, synthesizing a second HDL netlist based on the second circuit design, and obtaining behaviors of the circuit design of the IC using a single HDL-based simulator with both the first HDL netlist and the second HDL netlist as inputs.

Apparatus and method of optimizing an integrated circuit design

A gated tri-state (G3S) inverter includes: first, second and third transistors of a first dopant type (D1 transistors) and first, second and third transistors of a second dopant type (D2 transistors) serially connected between a first reference voltage and second reference voltage, the second dopant type being different than the first dopant type; gate terminals of an alpha one of the noted D1 transistors and an alpha one of the noted D2 transistors being configured to receive an input signal; gate terminals of a beta one of the noted D1 transistors and a beta one of the noted D2 transistors being configured to receive a gating signal; a gate terminal of a gamma one of the noted D2 transistors being configured to receive an enable signal; and a gate terminal of a gamma one of the noted D1 transistors being configured to receive an enable_bar signal.

Gated tri-state inverter, and method of operating same

An impedance measurement circuit and an operating method thereof are provided. The impedance measurement circuit includes a current source, a voltage controlled oscillator (VCO), an operation circuit, and a first delay circuit. The current source, electrically connected to a power rail, is able to sink a current from the power rail according to the delayed clock signal. The VCO is configured to generate an oscillation signal according to a power voltage on the power rail. The operation circuit is electrically connected to the VCO and is configured to receive a sampling clock signal and the oscillation signal, sense the power voltage to generate a sampled signal, and accumulate the sampled signal to generate a measurement result. The first delay circuit, electrically connected to the current source and the operation circuit, is able to receive the sampling clock signal and transmit the delayed clock signal to the current source.

Impedance measurement circuit and impedance measurement method thereof

A system includes a measuring device, a processing device and a signal generating device. The measuring device is configured to measure a voltage difference between a first node and a second node. The processing device is coupled between the first node and the second node. The signal generating device is configured to provide a first clock signal to the processing device to adjust the voltage difference, configured to generate the first clock signal according to a first enable signal and a second clock signal, and configured to align an edge of the first enable signal with an edge of the second clock signal. A method and a device are also disclosed herein.

System and semiconductor device therein

A sense amplifier includes a first pair of transistors having gate terminals respectively coupled to a first input terminal for receiving a first input signal and to a second input terminal for receiving a second input signal, source terminals coupled to a first power supply terminal, and drain terminals. The sense amplifier also includes a second pair of transistors having gate terminals coupled to a clock terminal, source terminals respectively coupled to the drain terminals of the first pair of transistors, and drain terminals. The sense amplifier also includes a third pair of transistors having gate terminals coupled to the clock terminal, drain terminals respectively coupled to the drain terminals of the second pair of transistors, and source terminals coupled to a second power supply terminal. In addition, the sense amplifier includes an output circuit coupled to the drain terminals of the second pair of transistors and having an output terminal.

Sense amplifier and method thereof

A phase interpolating (PI) system includes: a PI stage configured to receive first and second clock signals and a multi-bit weighting signal, and generate an interpolated clock signal; and an amplifying stage configured to receive and amplify the interpolated clock signal, the amplifying stage including a capacitive component. The capacitive component is tunable to exhibit non-zero capacitances. The capacitive component has a Miller effect configuration resulting in a reduced footprint of the amplifying stage.

Gated tri-state inverter, and low power reduced area phase interpolator system including same, and method of operating same

A phase interpolating (PI) system includes: a phase-interpolating (PI) stage configured to receive first and second clock signals and a multi-bit weighting signal, and generate an interpolated clock signal, the PI stage being further configured to avoid a pull-up/pull-down (PUPD) short-circuit situation by using the multi-bit weighting signal and a logical inverse thereof (multi-bit weighting_bar signal); and an amplifying stage configured to receive and amplify the interpolated clock signal, the amplifying stage including a capacitive component; the capacitive component being tunable; and the capacitive component having a Miller effect configuration resulting in a reduced footprint of the amplifying stage.

A semiconductor structure and a method for forming the same are provided. The semiconductor structure comprises a substrate, a fin structure, a metal gate and a first polysilicon strip. The fin structure is on the substrate. The metal gate is over the fin structure and is substantially perpendicular to the fin structure. The first polysilicon strip is at a first edge of the fin structure and is substantially parallel to the metal gate.

Growing community of inventors

Hsinchu, Taiwan

Tsung-Che Lu