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Three-dimensional printing memory (3D-P)-based processor

A 3D-P, processor technology, applied in electrical digital data processing, digital data processing components, instruments, etc., can solve problems such as the overall improvement of system performance disadvantage

Active Publication Date: 2017-08-22
HANGZHOU HAICUN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Three-dimensional printing memory (3D-P)-based processor
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  • Three-dimensional printing memory (3D-P)-based processor

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Embodiment Construction

[0022] figure 2 Indicates a three-dimensional printed memory (3D-P). It includes a substrate circuit layer OK and a plurality of storage layers 16A, 16B stacked on top of it and stacked on each other. The substrate circuit layer OK contains transistors Ot and their interconnections Oi. Wherein, the transistor 0t is formed in a semiconductor substrate 0 ; the interconnection line 0i is located above the substrate 0 . In this embodiment, in order to ensure the speed of the substrate circuit OK, the interconnection 0i contains 3 (or more than 3) interconnection layers 0M1-0M3. Each storage layer (such as 16A) contains a plurality of bit lines (such as 2a, along the y direction), word lines (such as 1a, along the x direction) and storage elements (such as 16Aaa). The storage layer (such as 16A) is coupled with the substrate 0 through a contact via hole (such as 1av). Here, the substrate circuit layer OK includes peripheral circuits of the 3D-P array.

[0023] figure 2 Also...

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Abstract

The invention provides a three-dimensional printing memory (3D-P)-based processor. 3D-P is large in capacity and high in speed, basically does not occupy substrate area, and can be integrated on various logic circuits. The 3D-P is adopted as the processor for storing a lookup table (LUT), so that the speed of the processor can be increased and the chip area can be reduced. In addition, after the 3D-P-based LUT is adopted in different types of calculation, the time spent in calculation is more structured and a time sequence circuit can be realized among the different types of calculation.

Description

technical field [0001] This invention relates to the field of integrated circuits, and more specifically, to processors. Background technique [0002] The processor needs to perform various complex calculations. Regular processors are efficient only for regular additions and regular multiplications, but all other calculations take a lot of clock cycles to complete. For this reason, the prior art proposes to use a look-up table (LUT) to complete part of the calculation. For example, US Patent 5,046,038 proposes using LUT to implement a divider, US Patent 5,954,787 proposes using LUT to implement a trigonometric function calculator, US Patent 6,263,470 proposes using LUT to implement a Reed-Solomon decoder, etc. [0003] The implementation of an exponential unit by using a LUT is described in detail below with US Patent No. 9,207,910. like Figure 1A The index unit employs two LUTs 210, 230 as shown. Among them, the log(x) value 240 of the input x can be found through the ...

Claims

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Application Information

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IPC IPC(8): G06F1/03G06F7/501G06F7/52G06F7/556G06F7/548
CPCG06F1/03G06F7/501G06F7/52G06F7/548G06F7/556
Inventor 张国飙
Owner HANGZHOU HAICUN INFORMATION TECH