google技巧

在使用DC时，对于初学者来说，很难弄清楚那些具体的综合过程，不过我们可以通过command.log来了解它。

因此，就需要找一个比较好的脚本run过之后的command log来学习。

Google is very powerful！

对于文本文件，我们可以通过约束其扩展名，找到最精确的结果。

如我要找一个command.log的文件，我就可以在搜索栏输入synopsys command  filetype:log

对于其他文本文件，也可以采取类似的方式来搜索。

同时，这也是一种不错的逆向学习方法，尤其对于这些EDA工具的学习。

Linux 指令篇:档案目录管理--touch[转]

名称：touch

使用权限：所有使用者

使用方式：
touch [-acfm]
[-r reference-file] [--file=reference-file]
[-t MMDDhhmm[[CC]YY][.ss]]
[-d time] [--date=time] [--time={atime,access,use,mtime,modify}]
[--no-create] [--help] [--version]
file1 [file2 ...]

说明：
touch 指令改变档案的时间记录。 ls -l 可以显示档案的时间记录。

参数：
a 改变档案的读取时间记录。
m 改变档案的修改时间记录。
c 假如目的档案不存在，不会建立新的档案。与 --no-create 的效果一样。
f 不使用，是为了与其他 unix 系统的相容性而保留。
r 使用参考档的时间记录，与 --file 的效果一样。
d 设定时间与日期，可以使用各种不同的格式。
t 设定档案的时间记录，格式与 date 指令相同。
--no-create 不会建立新档案。
--help 列出指令格式。
--version 列出版本讯息。

范例：

最简单的使用方式，将档案的时候记录改为现在的时间。若档案不存在，系统会建立一个新的档案。

touch file
touch file1 file2
 

将 file 的时间记录改为 5 月 6 日 18 点 3 分，公元两千年。时间的格式可以参考 date 指令，至少需输入 MMDDHHmm ，就是月日时与分。

touch -c -t 05061803 file
touch -c -t 050618032000 file

将 file 的时间记录改变成与 referencefile 一样。

touch -r referencefile file

将 file 的时间记录改成 5 月 6 日 18 点 3 分，公元两千年。时间可以使用 am, pm 或是 24 小时的格式，日期可以使用其他格式如 6 May 2000 。

touch -d "6:03pm" file
touch -d "05/06/2000" file
touch -d "6:03pm 05/06/2000" file

touch 也可以制造一个空档(0 byte).例如DHCP Server所需的/etc/dhcpd.leases,dhcpd 必须要有这个档案才能运作正常.[root@/root]#touch /etc/dhcpd.leases[root@/root]#ls -l /etc/dhcpd.leases-rw-r--r-- 1 root root 0 Jul 3 05:50 /etc/dhcpd.leases

记得上一次重灌前把/etc下的设定档tar起来，重灌好之后把原有设定还原，却发现系统检查设定档的时间有问题，这个时候用
find /etc -name * -exec touch {};

就可以把设定档的时间更新到与现在一致了。

Taiwan's IC Industry: Review of Q1 and Outlook for 2007

<Just as a template of Industry Reports>

ITRI IEK-ITIS Project

1. 2007 Q1 Industry Overview

According to statistics released by the Industrial Economics and Knowledge Center (IEK) of the Industrial Technology Research Institute (ITRI), the production value of Taiwan's IC industry (including design, manufacturing, packaging and testing) was NT$339.5 billion in the first quarter of 2007. This represented a drop of 11.4% over the previous quarter (Q4 2006), but an increase of 10.6% relative to the first quarter of 2006 (the same period of the previous year). The design sector accounted for NT$84 billion (down 9.3% from Q4 2006, up 15.4% from Q1 2006), manufacturing for NT$182.5 billion (down 14.6% from Q4 2006, up 11.6% from Q1 2006), packaging for NT$50 billion (down 6.5% from Q4 2006, up 2.0% from Q1 2006), and testing for NT$23 billion (down 2.1% from Q4 2006, up 6.0% from Q1 2006). The following is a survey of the performance of Taiwan's IC design, manufacturing, packaging, and testing industries during the first quarter of 2007.

A. IC Design

In LCD-related IC design, revenue growth slowed due to the influence of flat screen product shipments during the first quarter; shipments of optical storage chipsets and DVD player chips remained steady. Shipments of low-grade mobile phones from China and India increased steadily, boosting mobile phone IC manufacturers' revenue. In the area of information product chipsets, Intel's and AMD's increasing focus on the embedded market, as well as NVIDIA's and ATI's reliance on their dominating graphics technology to lock up market share, has constricted the market for Taiwan's PC chipsets. In summary, the IC design sector had a production value of NT$84 billion during the first quarter of 2007; this figure was down 9.3% from the fourth quarter of 2006, but up 15.4% from the first quarter of 2006.

B. IC Manufacturing

Among Taiwan's two leading IC foundries, TSMC had revenue of NT$63.3 billion during the first quarter of 2007--a drop of 14% relative to the previous quarter--while UMC had revenue of NT$23 billion--which was similarly down by 12% over the previous quarter. These drops can mainly be attributed to customers' inventory adjustments. Spot prices of mainstream 512Mb DDR2 DRAM quickly fell from US$5 to below US$3 during the first quarter, and are now very close to manufacturers' production cost, which has also affected revenue performance. IC manufacturers had a production value of NT$182.5 billion during the first quarter of 2007; this represented a drop of 14.6% from the fourth quarter of 2006, but growth of 11.6 from the first quarter of that year.

C. IC Packaging and Testing

Seasonal factors and unfavorable market conditions caused the packaging and testing industry fall into a slump during the first quarter. Continued demand for packaging and testing of LCD driver ICs, memory cards, computer chipsets, chips for 3G mobile phones, and other communications and graphics chips will drive grow in the future, however. In summary, the IC packaging industry had production value of NT$50 billion during the first quarter of 2007, down 6.5% from the final quarter of 2006, but up 2.0% from the first quarter of that year. The testing industry had production value of NT$23 billion during the first quarter, which was down by 2.1% from the fourth quarter, but up 6.0% from the first quarter of 2006.

2. Outlook for the Second Quarter and all of 2007

In the design sector, demand will be driven by systems companies' continued introduction of popular new products like the Nintendo Wii, the Sony PS3 and the Apple iPhone. Taiwan's IC design industry is also expected to benefit from the ongoing effects of Microsoft's Vista, demand sparked by falling digital TV prices, and other business opportunities created by popular products. The IC industry is projected to have a production value of NT$87 billion during the second quarter, and achieve 3.6% growth relative to the first quarter. Production value for all of 2007 is projected to be NT$361.5 billion, which represents growth of 11.8% over 2006.

In the manufacturing sector, continued inventory adjustments by foundry customers will lead to a steadily increasing proportion of 90nm and 65nm advanced process product shipments. It is expected that Taiwan's IC foundries will have a second-quarter production value of NT$102.9 billion, a rise of 12.6% from the first quarter. The price of DRAM has fallen steadily, and is seen as bottoming out during Q2. This will drag down manufacturers' revenues and profits. The IC manufacturing industry as a whole is projected to have a production value of NT$172.9 billion during the second quarter, a 5.3% drop relative to Q1. The industry's production value for all of 2007 is projected to be NT$833.4 billion, growing 8.7% from 2006.

In the packaging and testing sector, demand for packaging and testing of chips used in PCs, mobile phones and digital consumer electronics products and peripherals may grow. Microsoft's Vista is expected to sustain growth in PC-related markets. The 2008 Beijing Olympics should also provide opportunities for the consumer electronics industry. Demand for mid-range and low end products in India and other emerging markets will continue. The production value of the packaging and testing industry is expected to reach NT$76.5 billion in the second quarter of 2007, an increase of 4.8% over the first quarter. Production value for all of 2007 is projected to be NT$341.3 billion, an increase of 12.6% relative to 2006.

Synopsys synthesis tutorial

some tutorials from the synopsys install directoy,maybe it's too old for the latest tool.

 

点击下载, Click for Download

 

keywords:Design compiler ,Power Compiler,Scan chain insertion,script,synthesis example,DC脚本,综合实例

EFA Flex License Generator 0.4beta

A very power Flex License Generator: (点击下载)(Click to Download)
Related link:
http://www.woodmann.net/crackz/Flexlm.htm

License For The vendor list below:
Actel
AgilentADS_1.5
Aldec Active HDL
Aldec Active HDL70
Aldec RIVIERA
Allegro14_Cdslmd
Allegro14_PSLD
Altera
AnalyticalGraphics_STK42
AnsoftMaxWell
AnsoftSerenade_8.5
Aplac76
Asset
Atlass
Avanti
AvantiCorp
Cadence Design Systems
Cadence Design Systems_6
Cadence Design Systems_7
Cadence Design Systems_71
Cadence
CadencePSD_14.2
Concept_GateVision
CST_MicroWave_Studio_3.2
Dolphin-Smash
FPGACompilerII_3.6
GerbTool_10
HyperLynx_6.0
Laker LayoutEditor
Laker
Laker1
Laker_Any
LSI-Logic
Magma
Mars_Synplify
Micromagic
modeltech
ModelTech71
ModeltechBundle
MWO2001
NovasDebussy_5
NovasLaker
novas_50v16
Simplex
SonetLite
SynaptiCad_7.5
Synopsys
Synplicity
Synplicity_6.2
Synplify Synplicity
TransEDA
TranslogicHDLEntry_5
verisity
Veritools
Verplex
Viewlogic
VirageLogic
X-Tek