基于反熔丝技术的抗辐照数控校频专用集成电路  

An Anti-Irradiation Digital Controlled Frequency Adjustment ASIC Based on Anti-Fuse Technology

作　　者：王占奎[1] 方修成 刘兰坤 Wang Zhankui;Fang Xiucheng;Liu Lankun(The 13th Research Institute,CETC,Shijiazhuang 050051,China)

机构地区：[1]中国电子科技集团公司第十三研究所,石家庄050051

出　　处：《半导体技术》2021年第8期611-616,共6页Semiconductor Technology

摘　　要：介绍了一种基于反熔丝的抗辐照精密校频专用集成电路(ASIC)设计方案,可应用于频率控制系统,实现精密的频率调节。该ASIC以反熔丝可编程数字电压阵列为核心,集成数字通信协议接口、一次性可编程(OTP)随机存储器(RAM)和译码器等功能,通过数字控制方式实现精密电压的产生和调节。基于绝缘体上硅(SOI)工艺完成流片并进行测试。测试结果表明,该ASIC抗辐照能力(总剂量)大于100 krad(Si)。此外,利用此ASIC对恒温晶振实现了自动化温度控制和频率校准的优化,提升了晶振产品的可靠性和可生产性。A design scheme of anti-irradiation precise frequency adjustment application specific integrated circuit(ASIC) based on anti-fuses was introduced, which could be applied to realize precise frequency adjustment in frequency control systems.Taking anti-fuse programmable digital voltage array as the core, the ASIC integrated functions such as digital communication protocol interface, one time programmable(OTP) random access memory(RAM) and encoder to produce and adjust precise voltage through digital control.The ASIC was fabricated based on silicon on insulator(SOI) process and was tested.The test results show that the ASIC can resist irradiation(total ionizing dose) over 100 krad(Si).Furthermore, with the ASIC,the automatic temperature control and optimization of frequency adjustment of oven controlled crystal oscillators are realized, promoting the reliability and productibility of crystal oscillator products.

关 键 词：数字电位器 抗辐照 专用集成电路(ASIC) 反熔丝 数控 自动化 

分 类 号：TN492[电子电信—微电子学与固体电子学]