一、概念 建立时间和保持时间都是针对触发器的特性说的。 时序图如下:建立时间(Tsu:set
up time)
是指在触发器的时钟信号上升沿到来以前,数据稳定不变的时间,如果建立时间不够,数据将不能在这个时钟上升沿被稳定的打入触发器,Tsu就是指这个最小的稳定时间。保持时间(Th:hold...
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其他好文 时间:
2014-05-14 04:04:58
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359
Pat1018代码
题目描述:
There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to an...
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其他好文 时间:
2014-05-13 23:27:04
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582
原题:
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of th...
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其他好文 时间:
2014-05-13 14:12:41
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342
K-th Number
Time Limit: 20000MS
Memory Limit: 65536K
Total Submissions: 35704
Accepted: 11396
Case Time Limit: 2000MS
Description
You are working for Macrohard com...
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其他好文 时间:
2014-05-13 14:07:41
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203
response.buffer=false
'为防止程序陷入死循环,初始化一些最大重试值
Dim MaxPassLen,MaxPassAsc
MaxPassLen=20 '密码最大长度
MaxPassAsc=20
'==== 字符转换
Function bytes2BSTR(vIn)
strReturn = ""
For j = 1 To LenB(vIn)
Th...
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其他好文 时间:
2014-05-12 14:47:40
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327
Given a string S and a string T, count the
number of distinct subsequences of T in S.A subsequence of a string is a new
string which is formed from th...
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其他好文 时间:
2014-05-12 09:37:51
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287
1 //@author: Zou Xiaohang 2 //@describe: this class
is like AtomicMarkableReference which is in java concurrent package. 3 //
remember th...
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编程语言 时间:
2014-05-12 01:24:20
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504
The project generator sold the 12 sq.-km Phum
Syarung prospect on its 300 sq.-km Oyadao South Concession to Mesco Gold, a
subsidiary of Indian steel m...
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移动开发 时间:
2014-05-12 00:16:43
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467
Bridge Across Islands
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 8071
Accepted: 2364
Special Judge
Description
Thousands of thousands years ago th...
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其他好文 时间:
2014-05-11 13:01:55
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454
Mr. Pote's shop sells beans now. He has N bags of beans in his warehouse, and he has numbered them with 1, 2, …, N according to their expired dates. The i-th bag contains Wi units of beans. For sellin...
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其他好文 时间:
2014-05-09 22:41:06
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503