Design and implementation of asynchronous FIFO in OTN

Li Sai; Jiang Lin

doi:10.13756/j.gtxyj.2015.05.017

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Design and implementation of asynchronous FIFO in OTN

- Design and implementation of asynchronous FIFO in OTN
- Study on Optical communication Issue 5, Pages: 55-58(2015)
- 作者机构：
  
  1. 西安邮电大学电子工程学院
  2. 西安邮电大学研究生院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.05.017
  CLC： TN929.1
- Published：2015，
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[1]李赛,蒋林.OTN中异步FIFO的设计与实现[J].光通信研究,2015(05):55-58.

Li Sai, Jiang Lin. Design and implementation of asynchronous FIFO in OTN. [J]. (5):55-58(2015)
[1]李赛,蒋林.OTN中异步FIFO的设计与实现[J].光通信研究,2015(05):55-58. DOI： 10.13756/j.gtxyj.2015.05.017.

Li Sai, Jiang Lin. Design and implementation of asynchronous FIFO in OTN. [J]. (5):55-58(2015) DOI： 10.13756/j.gtxyj.2015.05.017.

摘要

针对OTN（光传送网）电路中传统异步FIFO（先入先出）的可能故障

提出一种适用于OTN电路的异步FIFO

该异步FIFO在出现空/满状态后会复位读/写地址

这样就不会影响电路的同时读写功能。用比较读写地址最高两位的方法来确定接近空或接近满指示信号

更容易判断异步FIFO的空/满状态。测试结果表明

所设计的FIFO的空/满复位功能正常

读写速率可达到133 MHz。

Abstract

In view of the possible failures of the traditional asynchronous FIFO in OTN circuits

this paper proposes a kind of asynchronous FIFO suitable for OTN circuits

in which reading/writing addresses will be reset when empty/full emerges in the asynchronous FIFO

without affecting the simultaneous read/write functions of the circuits.It is easier to judge whether the asynchronous FIFO is in empty or full state by comparing the highest two read/write addresses to determine if the indicator signal close to empty or to full.The test results show that the designed FIFO empty/full resetting function is normal and the read/write rate can reach up to 133 MHz.

关键词

光传送网异步先入先出空/满复位

Keywords

OTNasynchronous FIFOempty/full resetting

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