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楼主: hunewton

[资料] SPEF 文件格式 【延时、功耗】

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发表于 2015-5-18 16:33:53 | 显示全部楼层
正在学习.看看先
发表于 2015-6-17 16:24:52 | 显示全部楼层
oo
dd
发表于 2015-7-20 14:23:07 | 显示全部楼层
扫一下这个文件,就基本可以看懂spef文件了。
发表于 2015-7-28 11:24:36 | 显示全部楼层
好像usrguide里有,不过谢谢了
发表于 2015-7-28 12:27:29 | 显示全部楼层
来围观,刚刚开始学这个
发表于 2015-8-20 09:42:05 | 显示全部楼层
谢谢分享
发表于 2015-10-10 09:38:15 | 显示全部楼层
多谢楼主。学习一下。
发表于 2015-10-28 15:03:37 | 显示全部楼层
回复 1# hunewton


    hao dongxi, ding yi ge ~~~~~~
发表于 2015-10-28 18:37:56 | 显示全部楼层
感谢分享
发表于 2015-10-29 15:21:48 | 显示全部楼层
从9.1开始的:

9.1 Introduction
The Standard Parasitic Exchange Format (SPEF) provides a standard medium to pass parasitic information
between EDA tools during any stage in the design process. Parasitics can be represented on a net by net
basis in many different levels of sophistication from a simple lumped capacitance, to a fully distributed RC
tree, to a multiple pole AWE representation.
9.2 Targeted applications for SPEF
SPEF is suitable for use in many different tool combinations. Because parasitics can be represented in various
levels of sophistication, SPEF_files can communicate parasitic information throughout the design flow
process. A design can be distributed between multiple SPEF_files. The files can also communicate information
such as slews and the “routing confidence” indicating at what stage of the design process and/or how the
parasitics were generated. A diagram of how SPEF interfaces with various example applications is shown in
Figure 9-1.
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