Abstract: A compressor, an adder circuit, and an operation method thereof are provided. The compressor includes a first adder circuit and a second adder circuit. The first adder circuit receives a plurality of input values. The first adder circuit outputs a first inverted sum value (an inverted signal of a sum value) and a first inverted carry value (an inverted signal of a carry value). One of a plurality of input terminals of the second adder circuit is coupled to the first adder circuit to receive one of the first inverted sum value and the first inverted carry value. The second adder circuit outputs a second inverted sum value and a second inverted carry value.

Abstract: A wafer characteristic prediction method and an electronic device are provided. The method includes: receiving a process parameter of a wafer during a mass production; inputting the process parameter to a prediction model to obtain a wafer characteristic of the wafer being mass produced; and outputting the wafer characteristic.

Abstract: A semiconductor apparatus includes a plurality of chips and a first bypass switch. The chips are coupled in series between a power end and a reference ground end. The first bypass switch is coupled in series between a first end and a second end of a first chip among the chips, wherein the first end is coupled to the power end and the second end is coupled to the reference ground end. The first bypass switch is turned on according to a first control signal when an operational efficiency of the first chip is less than a threshold value and the first chip is determined to be damaged.

Abstract: A receiver circuit includes a first amplifier circuit, a second amplifier circuit, and a selector circuit. The first amplifier circuit is configured to receive a pair of receiving signals. The second amplifier circuit is configured to receive the pair of receiving signals. Based on a selection signal, the first amplifier circuit generates a pair of first amplifying signals according to the pair of receiving signals or the second amplifier circuit generates a pair of second amplifying signals according to the pair of receiving signals. The selector circuit is configured to output the pair of first amplifying signals or the pair of second amplifying signals according to the selection signal.

Abstract: An integrated circuitry includes a first circuit, a second circuit, and a voltage conversion circuit. A first power supply positive terminal of the first circuit is electrically coupled to a power source. The second circuit is electrically coupled in series with the first circuit and the power source. A second power supply positive terminal of the second circuit is electrically coupled to a first power supply negative terminal of the first circuit. The voltage conversion circuit is electrically coupled between the first circuit and the second circuit so as to receive a signal from the first circuit or the second circuit. The voltage conversion circuit converts a voltage value of the signal according to a first low potential signal of the first power supply negative terminal and a second low potential signal of a second power supply negative terminal.

Abstract: A data latch circuit and a pulse signal generator thereof are provided. The pulse signal generator includes a first buffer, a second buffer, a pull-up switch and an output buffer. The first buffer generates a first buffering signal according to an input signal and a feedback signal. The second buffer generates a second buffering signal according to the input signal and the first buffering signal. The pull-up switch pulls up the second buffering signal according to the first buffering signal. The output buffer generates at least one output pulse signal according to the second buffering signal. The output buffer further outputs the at least one output pulse signal to the first buffer to be the feedback signal.

Abstract: In some embodiments, the present disclosure pertains to methods of mediating a gas evolution reaction by exposing a gas precursor to an electrocatalyst that comprises a plurality of layers with catalytic sites. The exposing results in electrocatalytic conversion of the gas precursor to a gas. Thereafter, the generated gas enhances the electrocatalytic activity of the electrocatalyst by enhancing the accessibility of the catalytic sites to the gas precursor. In some embodiments, the electrocatalyst is associated with an electrically conductive surface (e.g., an electrode) that provides electrical current. In some embodiments, the electrocatalyst is a hydrogen production electrocatalyst that converts H+ to H2. In some embodiments, the electrocatalyst includes a transition metal dichalcogenide. Further embodiments of the present disclosure pertain to the aforementioned electrocatalysts for mediating gas evolution reactions.