WebJun 14, 2011 · This error is only a problem in the case of a PMOS device (which we do not have here) The floating .psub error is a chip level violation and should go away when you connect the p-substrate to ground. The PLL_CAP cell does not contain a substrate connection since it also users the NMOSCAP_18 device. 点赞( 2 ) 收藏 分享到: 微信 … WebAlthough I am fairly sure that no floating metals or unconnected layers exist in my layout however I would like to know if it can be verified somehow in cadence. Is there any way I can find out if there are any unconnected layers in my layout (perhaps skill code or some function in cadence virtuoso layout editor).
[問題求助] lvs 問題 有點急,懇請大大幫忙 - Chip123
WebJan 24, 2024 · FG flash的浮栅极材料是导体。任何两个彼此绝缘且相隔很近的导体间都构成一个电容器。因此,任何两个存储单元的浮栅极就构成一个电容器,一个浮栅极里面电荷的变化,都会引起别的存储单元浮栅极电荷的变化。 一个… WebAug 6, 2009 · TSMC ESD PAD在LVS使用FLAT去跑可以得到笑臉 但是在RVE左方欄會出現ERROR如下 SOFTCHK DATABASE: SOFTCHK psubx CONTACT ERC DATABASE: npvss49 floating.nwell floating.psub 這四個錯誤是可允許的嗎?有沒有大大有經驗的 電路是跑full chip 已接vdd gnd -- ※ 發信站: 批踢踢實業坊 (ptt.cc) From: 118.160.116.207 ※ … phosfen
Assura LVS questions: layout and schematic match but got an …
WebAug 4, 2024 · I notice that after scaling, floating point values are no longer fractional, implying that data loss has occurred. Thank you in advance. Theme. Copy. fi (linspace (-5,5,10),true,32,28) ans =. -5.0000 -3.8889 -2.7778 -1.6667 -0.5556 0.5556 1.6667 2.7778 3.8889 5.0000 DataTypeMode: Fixed-point: binary point scaling Signedness: Signed … WebFloating-Point Adder/Subtractor January 1996, ver. 1 Functional Specification 2 A-FS-02-01 Features fp_add_sub reference design implementing a floating-point … WebHow to find floating metals or unconnected layers in layout. This is my first post here. I have a custom mixed signal layout which has been designed and redesigned many times. … how does a membrane switch work