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Double-track MTJ and CMOS hybrid lookup table circuit

A look-up table and circuit technology, which is applied in the field of look-up table circuits, can solve problems such as inability to combine n-type SABL components, and achieve the effects of convenient cascade design, good portability, and improved safety

Active Publication Date: 2021-03-26
HARBIN INST OF TECH AT WEIHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problem that the existing look-up table circuit structure cannot be smoothly combined with n-type SABL elements due to the high level output in the pre-charging stage, the present invention provides a dual-rail MTJ and CMOS hybrid look-up table circuit

Method used

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  • Double-track MTJ and CMOS hybrid lookup table circuit
  • Double-track MTJ and CMOS hybrid lookup table circuit
  • Double-track MTJ and CMOS hybrid lookup table circuit

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specific Embodiment approach 1

[0031] Specific implementation mode 1. Combination figure 1 As shown, the present invention provides a dual-rail MTJ and CMOS mixed look-up table circuit, including a unit circuit, and the unit circuit includes a sensitive amplifier circuit 100, a CMOS logic tree 200, a plurality of MTJ elements 300, an MTJ writing circuit 400, and a transistor PR 3 ,

[0032] The sensitive amplifying circuit 100 includes an inverter I 1 , Inverter I 2 , Inverter I 3 , Inverter I 4 , Transistor Pr 1 and the transistor Pr 2 ,

[0033] Inverter I 3 The output terminal of the inverter is used as the out terminal, and the inverter I 3 The input terminal is connected to the inverter I 1 output and the inverter I 2 The input terminal of the inverter I 1 The input terminal is connected to the inverter I 2 output of the inverter I 2 The output terminal of the inverter is connected to I 4 input to the inverter I 4 output as terminal; transistor Pr 1 The source is connected to the po...

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Abstract

The invention discloses a double-track MTJ and CMOS hybrid lookup table circuit, and belongs to the field of lookup table circuits. The lookup table circuit structure aims to solve the problem that anexisting lookup table circuit structure cannot be smoothly combined with an n-type SABL element due to the fact that a high level is output in the pre-charging stage. The circuit comprises a unit circuit, the unit circuit comprises a sensitive amplification circuit, a CMOS logic tree, a plurality of MTJ elements, an MTJ write-in circuit and a transistor Pr3, an inverter circuit is added to each complementary signal output end of the sensitive amplification circuit, and through the improvement, an output signal of the circuit can be kept at a low level in the pre-charging stage; and cascade design of the circuit structure is facilitated. The circuit provided by the invention has good transportability.

Description

technical field [0001] The invention relates to a dual-track MTJ and CMOS hybrid lookup table circuit, belonging to the field of lookup table circuits. Background technique [0002] With the rapid development of Internet of Things technology, more and more people pay attention to the security of Internet of Things. Using a cryptographic chip to encrypt the information transmitted by the Internet of Things is a common method to improve the security of the Internet of Things. However, due to the rapid progress of semiconductor technology and cryptographic chip attack technology, the requirements for low power consumption and anti-attack characteristics of cryptographic chips are also getting higher and higher. [0003] Magnetic tunnel junction (magnetic tunnel junction, MTJ) is a new type of nonvolatile spintronic device, which can be used in cryptographic chips, and has good characteristics such as nonvolatile, high speed, and easy CMOS process compatibility, such as image ...

Claims

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Application Information

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IPC IPC(8): H04L9/08G11C11/16G11C7/06
CPCH04L9/0861G11C11/161G11C11/1673G11C11/1675G11C7/062H04L2209/12H04L2209/043
Inventor 王晨旭闫涛罗敏宫月红王新胜
Owner HARBIN INST OF TECH AT WEIHAI
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