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Radiation hardening, detection and protection design methods and circuit examples thereof
Radiation hardening, detection and protection design methods and circuit examples thereof
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机译:辐射硬化,检测和防护设计方法及其电路实例
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摘要
Radiation hardening, detection and protection design methods are disclosed. An example write drive circuit is disclosed having radiation hardened analog circuitry. A passive transistor is provided to generate a radiation photo-current to offset any net radiation photo-current of the operational circuitry. Using this technique, a radiation hardened reference-mirror control circuit provides a switched write current for setting the logical state of MRAM bits during a radiation event, for instance. A radiation detector and radiation hardened logic gates are further provided for inhibiting the write current when a radiation level is above a predetermined level.
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