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本帖最后由 Quantum_ 于 2018-9-2 19:18 编辑
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( Q) z3 H# m/ d# d; j" A) W }4 `谢谢超级!
( Q0 Y9 S9 S/ f" n7 n1. 可惜我依然不明白你的说明.
e8 J/ A0 F5 j6 A8 P2. 你的意思是, 此dataSheet 用平行四边形 表示这个信号的Jitter 吗?
, n! f( e- U8 C8 b9 ?1 f3. 如果是这样, 与题意不符, 它想表达Set up time/ hold time, (两个时间点)8 `" X( u6 t. ?- I2 k0 G! P. d
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below is quotation from wikipedia
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Setup time is the minimum amount of time the data signal should be held steady before the clock event so that the data is reliably sampled by the clock.
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; d9 a* _1 W) b' v- cThis applies to synchronous input signals to the flip-flop.. C# l4 t; N' D( ?: S7 y4 Q
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Hold time is the minimum amount of time the data signal should be held steady after the clock event so that the data is reliably sampled. ! e/ c X& `+ p) k, X6 Y6 f9 O9 g- Z
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This applies to synchronous input signals to the flip-flop.$ a+ x. }( Q% J- P C
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