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📄 bidir.sum

📁 verilog 代码. 经验证成功,可以作为标准单元库,为FPGA设计者使用.
💻 SUM
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*******************************************************

Cell: bidir    View: INTERFACE    Library: work

*******************************************************

Total accumulated area : 
 Number of IBUF :                        8
 Number of OBUF :                        8
 Number of OBUFT :                       8

 Number of ports :                      17
 Number of nets :                       26
 Number of instances :                  26
 Number of references to this view :     0


             Cell          Library  References     Total Area

              GND            xi4xl     1 x      1      1 GND
             IBUF            xi4xl     8 x      1      8 IBUF
             OBUF            xi4xl     8 x      1      8 OBUF
            OBUFT            xi4xl     8 x      1      8 OBUFT
              VCC            xi4xl     1 x      1      1 VCC

***********************************************
Device Utilization for 4010xlPQ100
***********************************************
Resource                Used    Avail   Utilization
-----------------------------------------------
IOs                     17      77       22.08%
FG Function Generators  0       800       0.00%
H Function Generators   0       400       0.00%
CLB Flip Flops          0       800       0.00%

-----------------------------------------------
Using wire table: 4013xl-3_avg




                        Slack Table at End Points


End points                         Slack       Arrival             Required
                                             rise     fall      rise     fall

use_bidir_sig(7)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(0)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(1)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(2)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(3)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(4)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(5)/              :    n/a      6.80   6.80         n/a      n/a 
use_bidir_sig(6)/              :    n/a      6.80   6.80         n/a      n/a 
bidir_bus(0)/                  :    n/a      5.00   5.00         n/a      n/a 
bidir_bus(1)/                  :    n/a      5.00   5.00         n/a      n/a 



                        Critical Path Report

Critical path #1, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(6)/                                          0.00  0.00 up             0.00
bidir_bus(6)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(6)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(6)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #2, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(5)/                                          0.00  0.00 up             0.00
bidir_bus(5)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(5)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(5)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #3, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(4)/                                          0.00  0.00 up             0.00
bidir_bus(4)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(4)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(4)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #4, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(3)/                                          0.00  0.00 up             0.00
bidir_bus(3)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(3)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(3)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #5, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(2)/                                          0.00  0.00 up             0.00
bidir_bus(2)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(2)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(2)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #6, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(1)/                                          0.00  0.00 up             0.00
bidir_bus(1)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(1)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(1)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #7, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(0)/                                          0.00  0.00 up             0.00
bidir_bus(0)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(0)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(0)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------



Critical path #8, (unconstrained path)
NAME                                       GATE              ARRIVAL              LOAD
--------------------------------------------------------------------------------------
bidir_bus(7)/                                          0.00  0.00 up             0.00
bidir_bus(7)_bdbuf_I1/O                    IBUF        0.00  1.80 up             2.77
use_bidir_sig(7)_obuf/O                    OBUF        5.00  6.80 up             2.77
use_bidir_sig(7)/                                      0.00  6.80 up             0.00
data arrival time                                            6.80

data required time  (default specified)                   not specified
--------------------------------------------------------------------------------------
data required time                                        not specified
data arrival time                                            6.80
                                                          ----------
                                                       unconstrained path
--------------------------------------------------------------------------------------


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