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专用集成电路是为特定用户或特定电子系统制作的集成电路,具有高性能、高可靠性等优点。专用集成电路VA140是中国暗物质卫星有效载荷硅微条探测器的关键器件。为测试VA140的抗单粒子闩锁特性,设计了简单的测试系统。应用兰州近代物理研究所重离子加速器进行测试,得到了有效试验数据。对试验数据进行处理,得到了VA140的闩锁截面与线性能量传输值的关系曲线、VA140的闩锁阈值及饱和截面,为其航天应用提供必要试验依据。
An ASIC is an integrated circuit made for a specific user or a specific electronic system and has the advantages of high performance, high reliability, and the like. ASIC ASIC VA140 is China’s dark matter satellite payload micro-strip detector silicon key devices. To test the VA140’s resistance to single-particle latch-up, a simple test system was designed. The application of heavy ion accelerator Lanzhou Institute of Modern Physics test, the effective test data. The test data are processed to obtain the latitudinal cross-section of the VA140 and the linear energy transfer value, the latching threshold and the saturation cross section of the VA140, which provide the necessary experimental basis for its application in aerospace.