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SY58607U 数据表(PDF) 6 Page - Micrel Semiconductor |
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SY58607U 数据表(HTML) 6 Page - Micrel Semiconductor |
6 / 13 page Micrel, Inc. SY58607U September 2006 6 M9999-092606-A hbwhelp@micrel.com or (408) 955-1690 Functional Description Fail-Safe Input (FSI) The input includes a special failsafe circuit to sense the amplitude of the input signal and to latch the outputs when there is no input signal present, or when the amplitude of the input signal drops sufficiently below 100mVPK (200mVPP), typically 30mVPK. Maximum frequency of SY58607U is limited by the FSI function. Input Clock Failure Case If the input clock fails to a floating, static, or extremely low signal swing, the FSI function will eliminate a metastable condition and guarantee a stable output. No ringing and no undetermined state will occur at the output under these conditions. Note that the FSI function will not prevent duty cycle distortion in case of a slowly deteriorating (but still toggling) input signal. Due to the FSI function, the propagation delay will depend on rise and fall time of the input signal and on its amplitude. Refer to “Typical Characteristics” for detailed information. Timing Diagrams Figure 1a. Propagation Delay Figure 1b. Fail Safe Feature |
类似零件编号 - SY58607U |
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类似说明 - SY58607U |
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