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In the limited conditions, space flight target test environment, it"s necessary that realize the miniature data acquisition and storage circuit. This paper presents a miniature data acquisition and storage circuit that use FPGA chip AGL030 as the control chip and serial MSRAM chip MR25H40 as data storage medium, and the circuit software design of the data acquisition and storage, energy saving, time delay. And has carried on the simulation to the implementation of related functions; Collection and storage circuit stable work after debugging, the read back fitting waveform of collection and storage data is complete. The collection and storage system was successfully applied to a type of flying projectile data record.