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Timing track circuit and method thereof

A technology for tracking circuits and timing, which is applied in the direction of information storage, static memory, digital memory information, etc., can solve the problems of low accuracy of timing tracking methods, and achieve the effects of improving accuracy, precise timing control, and solving low accuracy

Active Publication Date: 2015-07-08
SUZHOU ZHAOXIN SEMICON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a timing tracking circuit and method to solve the problem of low accuracy of the existing timing tracking methods

Method used

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  • Timing track circuit and method thereof
  • Timing track circuit and method thereof
  • Timing track circuit and method thereof

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] The embodiment of the present invention discloses a timing tracking circuit and method to solve the problem of low accuracy of the existing timing tracking method.

[0037] The applicant has found through many experiments and studies that the main reason for the low accuracy of the existing timing tracking method is that in the bit line charging tracking circuit, word line charging tracking circuit and bit line discharging tracking circuit, only the respectiv...

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Abstract

The invention discloses a timing track circuit which comprises a word line charging track circuit, a bit line charging track circuit, a bit line discharging track circuit, a first driving circuit and a second driving circuit. Input ends and output ends of the word line charging track circuit, the bit line charging track circuit and the bit line discharging track circuit are all positioned on near ends of a control circuit. An input end of the word line charging track circuit and an input end of the bit line charging track circuit are respectively connected with output ends of the first driving circuit. An output end of the bit line charging track circuit is connected with an input end of the second driving circuit. An output end of the second driving circuit is connected with an input end of the bit line discharging track circuit. Output ends of the word line charging track circuit, the bit line charging track circuit and the bit line discharging track circuit are respectively connected with the control circuit. The timing track circuit solves the problem that an existing timing track manner is low in accuracy.

Description

technical field [0001] The invention relates to the technical field of integrated circuits, in particular to a timing tracking circuit and method. Background technique [0002] The process of obtaining the operation timing of the analog circuit corresponding to the actual circuit is called timing tracing. The control circuit controls the action of the actual circuit by using the above-mentioned action sequence, which can ensure the accurate execution of each action. [0003] In particular, in the circuit design of a read-only memory (ROM) compiler, the following timing tracking method is generally used to obtain the read timing of the ROM circuit: delay circuit, bit line charging tracking circuit, word line charging tracking circuit and bit line discharge The tracking circuit constitutes a timing tracking circuit, which respectively simulates the signal transmission process from pre-decoding to word line drive, the bit line charging process, the word line charging process a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11C7/12
Inventor 于跃郑坚斌黃瑞锋
Owner SUZHOU ZHAOXIN SEMICON TECH CO LTD
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