Method and computing device with a multiplier-accumulator circuit
AssigneeSamsung Electronics Co., Ltd.
InventorsSang Joon KIM, Seungchul JUNG
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Abstract
Provided is a multiplier-accumulator (MAC) system, circuit, and method. The MAC system includes a MAC circuit, including a plurality of resistors, having respective resistances, a capacitor connected to the plurality of resistors to charge, in response to a plurality of input signals, the capacitor with electric charge, and a time-to-digital converter (TDC) configured to convert information of a charge time of the capacitor, due to the electric charge, into a digital value, wherein the digital value is an accumulation result of the MAC circuit.
Claims34
A multiplier-accumulator (MAC) system, comprising:
- a MAC circuit, including:
- a plurality of resistors, having respective resistances;
- a capacitor connected to the plurality of resistors to charge, in response to a plurality of input signals, the capacitor with electric charge;
- and
- a time-to-digital converter (TDC) configured to convert information of a charge time of the capacitor, due to the electric charge, into a digital value,
- wherein the digital value is an accumulation result of the MAC circuit.
A multiplier-accumulator (MAC) computing device, comprising:
- one or more MAC circuits, respectively including:
- a memory array including a plurality of input lines respectively interfacing with a plurality of output lines, where each of the output lines includes a respective capacitor configured to be charged or discharged in response to input signals respectively provided to two or more of the plurality of input lines;
- and
- a time-to-digital converter (TDC) including a single global counter configured to generate respective output values indicating times having elapsed from a start time instant, the TDC being configured to:
- determine select outputs, from the respective output values, at times corresponding to respective charge or discharge times of the respective capacitor with respect to the charge or the discharge;
- and
- convert each of the determined select outputs into respective digital value results of the MAC circuit for the output lines.
A computing method performed by a multiplier-accumulator (MAC) circuit, the computing method comprising:
- receiving an input signal;
- charging, with electric charge, a capacitor connected to a plurality of resistors, according to a respective voltage applied to the plurality of resistors in response to the input signal;
- and
- converting a charging time of the capacitor into a digital value dependent on the input signal, the plurality of resistors, and the capacitor.
Dependencies are inferred from the claim text.