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用于反熔丝FPGA的片上闭环电荷泵电路 被引量:1

On-chip Closed-loop Charge Pump Circuit for Anti-fuse FPGA
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摘要 针对反熔丝FPGA编程模式和用户模式不同的控制要求,基于Dickson电荷泵结构提出了一种新型的片上闭环电荷泵结构。新增加零伏电路实现了高电压与低电压之间有效隔离。电荷泵闭环控制机制有效地解决了启动慢的问题,保证了电路正确工作时序。仿真结果显示:在电源电压3.3 V、整体电路全负载的条件下,启动时间为6.23μs。采用0.18μm 1P3M 3.3 V/5 V CMOS工艺流片,电路编程成功并且功能正确。 According to the different control requirements of anti-fuse FPGA programming mode and user mode,a new on-chip closed-loop charge pump structure was proposed based on Dickson charge pump structure.The purpose of effective isolation between high voltage and low voltage was achieved by adding a new zero-voltage circuit.The charge pump closed-loop control mechanism effectively solves the problems of slow start-up,and ensures the correct operation sequence of the circuit.The simulation results show that the starting time is 6.23μs under the condition of power supply voltage of 3.3 V and full load of the whole circuit.Taping-out with 0.18μm 1P3M 3.3 V/5 V CMOS process,the circuit is programmed successfully,the function is correct.
作者 马金龙 于宗光 赵桂林 刘国柱 朱岱寅 MA Jinlong;YU Zongguang;ZHAO Guilin;LIU Guozhu;ZHU Daiyin(Key Laboratory of Radar and Microwave Photonic Technology,Ministry of Education,School of Electronic Infor-mation Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing,211106,CHN;The 58th Institution of Electronic Science and Technology Group Corporation of China,Wuxi,Jiangsu,214035,CHN)
出处 《固体电子学研究与进展》 CAS 北大核心 2022年第4期309-316,共8页 Research & Progress of SSE
基金 国家自然科学基金资助项目(62174150) 江苏省自然科学基金资助项目(BK20211040)。
关键词 反熔丝FPGA 隔离电路 闭环控制 电荷泵 anti-fuse FPGA isolation circuit closed loop control charge pump
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