Anti-irradiation protection method for TCAM of space devices
A space equipment, anti-radiation technology, applied in information storage, static memory, digital memory information and other directions, can solve problems such as large refresh cycle value, complex TCAM circuit structure, and reduced coding rate.
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[0075] figure 1 It is a logical structural diagram of the TCAM anti-radiation protection system of the present invention. The TCAM anti-radiation protection system consists of a refresh cycle calculation module, a refresh control module, an ECC encoding module, and an ECC decoding error correction module. TCAM anti-radiation protection system is connected with RAM, TCAM and user end. The TCAM anti-radiation protection system receives parameters from the user end and calculates the refresh period value t sp , send a refresh control signal to the RAM, perform ECC decoding, error correction and encoding on the data stored in the RAM step by step according to the address, and send the corrected data to the TCAM.
[0076] The refresh period calculation module is a software, which receives parameters from the user end, calculates the parameters, and obtains the refresh period value t required by the anti-radiation protection system sp , put t sp Send to refresh control module. ...
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