| 一种改进输入时钟的EEPROM电荷泵设计 |
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| 引用本文： | 唐有为,段吉海,徐卫林. 一种改进输入时钟的EEPROM电荷泵设计[J]. 微电子学, 2014, 0(6): 750-753, 758 |
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| 作者姓名： | 唐有为 段吉海 徐卫林 |
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| 作者单位： | 桂林电子科技大学 信息与通信学院, 广西 桂林 541004,桂林电子科技大学 信息与通信学院, 广西 桂林 541004,桂林电子科技大学 信息与通信学院, 广西 桂林 541004 |
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| 基金项目： | 国家自然科学基金资助项目(61161003,1, 61166004)；广西自然科学基金资助项目(2013GXNSFAA019333)； 桂林电子科技大学博士基金资助项目(UF11006Y, UF12001Y) |
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| 摘 要： | 介绍了RFID无源电子标签中EEPROM的基本结构与工作原理。分析了NMOS管Dickson电荷泵及其由NMOS管构成的栅压自举电荷泵的特点与不足。针对当前电荷泵存在的电荷倒流、体效应问题,设计了一种改进输入时钟的电荷泵电路。通过对比仿真后发现,改进设计的电荷泵能减少电荷倒流、提高传输效率。已成功应用于RFID芯片的EEPROM中。
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| 关 键 词： | 电荷泵 预升压时钟 PMOS 传输效率 电荷倒流 |
| 收稿时间： | 2013-09-13 |
Design of an EEPROM Charge Pump with Modified Input Clock |
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| TANG Youwei,DUAN Jihai and XU Weilin. Design of an EEPROM Charge Pump with Modified Input Clock[J]. Microelectronics, 2014, 0(6): 750-753, 758 |
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| Authors: | TANG Youwei DUAN Jihai XU Weilin |
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| Affiliation: | College of Information and Communication, Guilin University of Electronic Technology, Guilin, Guangxi 541004, P. R. China,College of Information and Communication, Guilin University of Electronic Technology, Guilin, Guangxi 541004, P. R. China and College of Information and Communication, Guilin University of Electronic Technology, Guilin, Guangxi 541004, P. R. China |
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| Abstract: | Basic structure and principles of EEPROM in RFID passive tags were introduced. The structure of NMOS Dickson charge pump was analyzed, and the NMOS gated boost Dickson charge pump''s characteristics and its shortcomings were also presented. Mainly for the charge back and body effect issues in conventional charge pumps, an improved charge pump circuit with modified input clock was designed. Compared with conventional charge pumps by simulation, the proposed charge pump could reduce charge back and improve transmission efficiency. The improved charge pump had been successfully applied in EEPROM of RFID chip. |
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