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Three-value adiabatic domino addition unit

A technology of domino addition and domino, which is applied in the direction of logic circuits with logic functions, and can solve problems such as waste

Active Publication Date: 2012-12-19
智创控安(杭州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the traditional adding unit causes great waste due to the one-time consumption of the charge from the power supply to the ground; while the adiabatic adder using the AC pulse power supply can fully recover the charge stored in the circuit node and effectively reduce the power consumption of the circuit

Method used

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Embodiment

[0031] Embodiment: a ternary adiabatic domino addition unit, comprising a first ternary adiabatic domino word operation circuit, a second ternary adiabatic domino word operation circuit, a carry signal generating circuit and a standard sum signal generating circuit; the first ternary adiabatic domino The word operation circuit includes a word operation module and a waveform conversion module. As shown in Figure 2(a), the word operation module consists of the first PMOS transistor P1, the second PMOS transistor P2, the third PMOS transistor P3, the fourth PMOS transistor P4, the fifth PMOS transistor P5, the sixth PMOS transistor P6, the An NMOS transistor N1, a second NMOS transistor N2, a third NMOS transistor N3, a fourth NMOS transistor N4, a fifth NMOS transistor N5, a sixth NMOS transistor N6 and a seventh NMOS transistor N7, the gate of the first NMOS transistor N1 The gate of the fourth NMOS transistor N4 is connected in parallel and its parallel terminal is a signal in...

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Abstract

The invention discloses a three-value adiabatic domino addition unit, comprising a first three-value adiabatic domino text operational circuit, a second three-value adiabatic domino text operational circuit, a carry signal generating circuit and a standard and signal generating circuit, wherein the first three-value adiabatic domino text operational circuit is connected with the carry signal generating circuit and the standard and signal generating circuit respectively; the second three-value adiabatic domino text operational circuit is connected with the carry signal generating circuit and the standard and signal generating circuit respectively; and a low carry signal input end of the carry signal generating circuit is connected with that of the standard and signal generating circuit. The unit has the following advantages: the unit has a simple structure on the prime of ensuring the correct logic function; compared with the three-value routine domino adder unit using a direct current power, the unit can save about 54% of energy; and compared with the three-value addition unit based on a DTCTGAL circuit, the transistor quantity of the unit can be reduced around 47%.

Description

technical field [0001] The invention relates to a ternary addition unit, in particular to a ternary adiabatic domino addition unit. Background technique [0002] The current digital circuit system is mainly implemented by binary logic, and the logic values ​​that can be transmitted by a single signal line are only 0 and 1, and the space and time utilization of the circuit is low. The use of multi-valued logic can greatly reduce the number of circuit input variables and increase the amount of information carried by each connection, thereby reducing the area of ​​the chip and enhancing the data processing capability. Due to its advantages in circuit area and speed, domino circuits are widely used in various high-performance circuits. Therefore, the combination of multi-valued logic and domino circuits can further reduce the circuit area, increase the information density of the circuit, and reduce the circuit cost. . [0003] Addition is the most basic arithmetic operation. I...

Claims

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Application Information

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IPC IPC(8): H03K19/20
Inventor 汪鹏君杨乾坤郑雪松
Owner 智创控安(杭州)科技有限公司
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