Device for detecting 80C31 single particle effect
A single event effect and test procedure technology, applied in error detection/correction, instrumentation, electrical digital data processing, etc., can solve problems such as inability to correctly judge the number of inversions, burnt devices, and wrong data storage, and achieve fast and reliable data exchange. Adjustable test time and flexible test software
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[0022] As shown in Figure 1, it is a schematic diagram of the device structure of the present invention, including a power supply module, a host computer, a main measurement CPU, a tested 80C31, dual-port RAM, SRAM and a current acquisition card; the power supply module includes RC filtering, D / C conversion, Relay: The external power supply is divided into two channels after RC filtering and D / C conversion. One is to directly supply power to the main measuring CPU, and the other is to supply power to the tested 80C31 through a relay. The current acquisition card collects the current supplied to the tested 80C31, and collects The current value is sent to the host computer. In order to achieve the sampling time of milliseconds, the current acquisition card can use the 1609 product produced by TI in the United States; when the current value exceeds the preset threshold, a latch occurs and the host computer sends instructions to Relay, the 80C31 under test is powered off by the relay;...
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