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本帖最后由 Quantum_ 于 2018-9-2 19:18 编辑 ' s$ x* Q! ^1 h. u4 `) A
& D# x' I2 d \: X ?7 \# g8 I; Q谢谢超级!
9 }5 M6 l Y9 v+ B# }1. 可惜我依然不明白你的说明.! V- D4 Z: S% ?2 ?9 C+ D
2. 你的意思是, 此dataSheet 用平行四边形 表示这个信号的Jitter 吗?
0 ~. z+ p8 l& S7 t1 @3. 如果是这样, 与题意不符, 它想表达Set up time/ hold time, (两个时间点)* [% j! D" x+ e9 @" C" M
$ }# R9 O" `, R6 }below is quotation from wikipedia @! ]) K" {. z- p1 K
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. G4 w* @2 s* ^0 h2 Z% H# vSetup 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. 5 N" m# J4 j) S
' i/ {0 ~% ^8 t. d) EThis applies to synchronous input signals to the flip-flop.
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) m1 A5 q$ Q! `+ F. U1 JHold 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.
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This applies to synchronous input signals to the flip-flop." G3 A( s; o. S
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