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Non-linear polar material based low power multiplier with NOR and NAND gate based reset mechanism

專利號
US11888479B1
公開日期
2024-01-30
申請人
Kepler Computing Inc.(US CA San Francisco)
發(fā)明人
Amrita Mathuriya; Rafael Rios; Ikenna Odinaka; Rajeev Kumar Dokania; Sasikanth Manipatruni
IPC分類
H03K19/23; H03K19/0185; G06F7/487; H03K19/017; G06F7/501; H03K19/17736
技術(shù)領(lǐng)域
reset,gate,majority,pull,capacitors,adder,minority,multiplier,gates,node
地域: CA CA San Francisco

摘要

A multiplier cell is derived from a 1-bit full adder and an AND gate. The 1-bit full adder is derived from majority and/or minority gates. The majority and/or minority gates include non-linear polar material (e.g., ferroelectric or paraelectric material). A reset mechanism is provided to reset the nodes across the non-linear polar material. The multiplier cell is a hybrid of majority and/or minority gates and complementary metal oxide semiconductor (CMOS) based inverters and/or buffers. The adder uses a non-linear polar capacitor to retain charge with fewer transistors than traditional CMOS sequential circuits. The non-linear polar capacitor includes ferroelectric material, paraelectric material, or non-linear dielectric. Input signals are received by respective terminals of capacitors having non-linear polar material. The other terminals of these capacitors are coupled to a node where the majority function takes place for the inputs.

說明書

Example 17f: The apparatus of example 12f, wherein the reset mechanism includes: a second pull-up device or a second pull-down device which is controllable by a second control, wherein the second pull-up device or the second pull-down device is coupled to the second terminals of a second set of capacitors of the 1-bit full adder.

Example 18f: The apparatus of example 12f, wherein the apparatus comprises: a third pull-up device or a third pull-down device which is controllable by a third control, wherein the third pull-up device or the third pull-down device is coupled to the second terminals of a third set of capacitors of the 1-bit full adder.

Example 19f: A system comprises: a memory to store one or more instructions; a processor circuitry coupled to the memory, wherein the processor circuitry is to execute the one or more instructions; and a communication interface to allow the processor circuitry to communicate with another device, wherein the processor circuitry includes: a 1-bit full adder comprising a majority gate or a minority gate, wherein the 1-bit full adder comprises paraelectric material; and a reset mechanism comprising logic to condition first terminals of a set of capacitors of the 1-bit full adder, the set of capacitors comprising the paraelectric material, wherein the reset mechanism is to reset second terminals of the set of capacitors during a reset phase separate from an evaluation phase, wherein the logic comprises one or more NOR gates controllable by a reset control.

Example 20f: The system of example 19f comprising: an AND gate coupled to the 1-bit full adder.

權(quán)利要求

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