导入LEF/LIB，有好多Warning，麻烦大家指导下是否有影响

angelojiang

新手上路。
导入LEF/LIB文件后有好多warning。

麻烦大家帮忙看下这些warning是否有影响。

1.The 'OBS USEMINSPACING' attribute should be set
2.The 'PIN USEMINSPACING' attribute should be set
3.NAMESCASESENSITIVE statement is obsolete in version 5.6 and later
4.MACRO CAPACTITANCE statement is obsolete in version 5.4 and later
5.BUSBITCHARS is a required statement on LEF file with version 5.5 and earlier
6.DIVIDERCHAR is a required statement on LEF file with version 5.5 and earlier

7.Attribute 'max_capacitance' on output/input pin ‘DI’  of cell '...' is not defined in the library
8.(leakage_power_unit) not found in the library. Assuming (1nW)
9.input_threshold_pct_rise not specified in the library. using .lib default of 50%
10.slew_lower_threshold_pct_rise not specified in the library. using .lib default of 20%

chrisyl

是不是库太老了呀

zhang209a

一般可以忽略！

liamy2009

请问各位高手一下啊 怎样从standcell 导出标准单元啊

as1234

请问在Cadence里面怎么将已制作好的LEF导入？求高人指点啊