thereby improving timing margins

Chinese translation: 时序余量

23:23 Mar 28, 2004

English to Chinese translations [PRO]
Tech/Engineering - IT (Information Technology)

English term or phrase: thereby improving timing margins

DDR2 memory chips will be available in Fine-pitch BGA (FBGA) chip packages for improved electrical and thermal characteristics. In addition, DDR2 memory chips will incorporate On-Die Termination (ODT) to minimize memory signal reflections at high speeds, thereby improving timing margins. DDR2 memory chips will come in capacities up to 4 Gigabits, allowing for higher-capacity modules.

clearwater KudoZ activity Questions: 12458 (5 open) (1 without valid answers) (1079 closed without grading) Answers: 1671 China
Local time: 01:53

Chinese translation:时序余量

Explanation:
timing 在计算技术中通常译为“时序”，margin 则译为“余量”。

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Note added at 2 days 3 hrs 44 mins (2004-03-31 03:07:31 GMT)
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这里讲的时序问题，是电路板设计中的问题。从纯逻辑的角度讲，时序问题比较简单，就是数据传输的公共时钟同步，在同一个运算周期内，应完成哪些步骤，各个器件之间如何协调，如何与下一个周期衔接，等等。但从物理上讲，同步是个非常复杂的问题，尤其是在高速传输的情况下，技术上有很多问题。打个简单的比方：譬如赛跑，枪声一响，大家同时起跑，fair play。但是严格地讲，无论发令人站在什么位置，他与八条跑道上的运动员的距离肯定有差别。每个运动员听到枪声的时间是不一样的，因此比赛是不公平的。之所以没人计较，是因为人跑得再快，与声速相比也差得太远。假如参加赛跑的是超音速机器人，情况就大不一样了。
高速电子器件电路板设计就面临类似的问题。我们把问题讲得简单点，譬如电路板的布线、元器件的品质等等因素，会造成信号的延迟。那么在规定的时序内应该完成的动作，就可能无法完成。这就需要在规定完成时间时留一定的余地，这就是时序余量。好比我们做翻译，假定你一天正常产量是3000字，一个6000字的活要你两天交稿，你一定有意见。因为不知道会不会遇上什么难题。你可能会要求三天的时间，这多出来的一天，就是你的时序余量。:)) 提高这个时序余量的办法不外乎两条，一是提高你的产量，而是向客户要求更多的时间。后者大概不是太好办，只好委屈自己，时常开夜车，在所难免！:))) 至于提高时序余量的效果，你很清楚：质量和信誉！对电脑来说，大概就是信号品质和可靠性吧。

以上是门外之见，仅供参考。

Selected response from:

Xiaoping Fu
Canada
Local time: 10:53

Grading comment

多谢！
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +1

时序余量

Xiaoping Fu

3 +1

FYI

jyuan_us

Discussion entries: 1

Answers

41 mins confidence:

peer agreement (net): +1

FYI

Explanation:
improving timing margins

直译为速度的阈值，即可能达到的最高速度。不妨译为提高.....的速度。

jyuan_us
United States
Local time: 13:53
Native speaker of:

Chinese
PRO pts in category: 2117

2 hrs confidence:

peer agreement (net): +1

时序余量

Xiaoping Fu
Canada
Local time: 10:53
Native speaker of:

Chinese
PRO pts in category: 236

Grading comment

多谢！

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