Net interconect area面积是Cell area面积的9倍
时间:10-02
整理:3721RD
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大家好,麻烦各位帮我看看这样,Net interconect area面积是Cell area面积的9倍。这样是不是不正常啊,要多少才正常呢?导致连线面积过大的原因可能有哪些呢?谢谢。
Library(s) Used:
slow (File: /home/binsun/ftp/dc_sam/lib/slow.db)
Number of ports: 16
Number of nets: 55983
Number of cells: 40872
Number of references: 200
Combinational area: 493351.692013
Noncombinational area: 1105356.101681
Net Interconnect area: 12304291.000000
Total cell area: 1598707.750000
Total area: 13902998.750000
Library(s) Used:
slow (File: /home/binsun/ftp/dc_sam/lib/slow.db)
Number of ports: 16
Number of nets: 55983
Number of cells: 40872
Number of references: 200
Combinational area: 493351.692013
Noncombinational area: 1105356.101681
Net Interconnect area: 12304291.000000
Total cell area: 1598707.750000
Total area: 13902998.750000
ddddddddddddddd
你用的应该是.18或者以下的wire model吧?此时,根据wire model计算出来的连线面积会很不准。
不准,一般都不看
dc的area report 只能做个参考,具体面积多大要看布线后的情况。
