微波EDA网,见证研发工程师的成长!
首页 > 研发问答 > 微电子和IC设计 > IC后端设计交流 > DC后,PAD_I/O的max_capacitance违例,需要修复吗,如何修

DC后,PAD_I/O的max_capacitance违例,需要修复吗,如何修

时间:10-02 整理:3721RD 点击:
max_capacitance
RequiredActual
NetCapacitanceCapacitanceSlack
-----------------------------------------------------------------
PAD_wb_ack_o0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[0]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[1]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[2]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[3]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[4]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[5]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[6]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[7]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[8]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[9]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[10]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[11]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[12]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[13]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[14]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[15]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[16]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[17]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[18]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[19]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[20]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[21]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[22]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[23]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[24]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[25]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[26]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[27]0.112.20-2.08(VIOLATED)
PAD_wb_dat_o[28]0.11

好像一般无需修复

需要跟前端的人确认IO要求

查看PAD的带Cap实际能力(lib,datasheet里面找找)~然后确定,一般PAD的带CAP能力要大很多~

Copyright © 2017-2020 微波EDA网 版权所有

网站地图

Top