mul.tan.rpt

VHDL乘法器 四输入 四输出的代码设计

Timing Analyzer report for Mul
Wed Dec 17 13:04:39 2008
Version 4.1 Build 181 06/29/2004 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Settings
  3. Timing Analyzer Summary
  4. tpd
  5. Minimum tpd
  6. Timing Analyzer Messages



----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2004 Altera Corporation
Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
support information,  device programming or simulation file,  and any other
associated  documentation or information  provided by  Altera  or a partner
under  Altera's   Megafunction   Partnership   Program  may  be  used  only
to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
other  use  of such  megafunction  design,  netlist,  support  information,
device programming or simulation file,  or any other  related documentation
or information  is prohibited  for  any  other purpose,  including, but not
limited to  modification,  reverse engineering,  de-compiling, or use  with
any other  silicon devices,  unless such use is  explicitly  licensed under
a separate agreement with  Altera  or a megafunction partner.  Title to the
intellectual property,  including patents,  copyrights,  trademarks,  trade
secrets,  or maskworks,  embodied in any such megafunction design, netlist,
support  information,  device programming or simulation file,  or any other
related documentation or information provided by  Altera  or a megafunction
partner, remains with Altera, the megafunction partner, or their respective
licensors. No other licenses, including any licenses needed under any third
party's intellectual property, are provided herein.



+----------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                               ;
+-------------------------------------------------------+--------------------+------+----+
; Option                                                ; Setting            ; From ; To ;
+-------------------------------------------------------+--------------------+------+----+
; Device name                                           ; EP1C3T144C8        ;      ;    ;
; Timing Models                                         ; Production         ;      ;    ;
; Number of source nodes to report per destination node ; 10                 ;      ;    ;
; Number of destination nodes to report                 ; 10                 ;      ;    ;
; Number of paths to report                             ; 200                ;      ;    ;
; Run Minimum Analysis                                  ; On                 ;      ;    ;
; Use Minimum Timing Models                             ; Off                ;      ;    ;
; Report IO Paths Separately                            ; Off                ;      ;    ;
; Clock Analysis Only                                   ; Off                ;      ;    ;
; Default hold multicycle                               ; Same as Multicycle ;      ;    ;
; Cut paths between unrelated clock domains             ; On                 ;      ;    ;
; Cut off read during write signal paths                ; On                 ;      ;    ;
; Cut off clear and preset signal paths                 ; On                 ;      ;    ;
; Cut off feedback from I/O pins                        ; On                 ;      ;    ;
; Ignore Clock Settings                                 ; Off                ;      ;    ;
; Analyze latches as synchronous elements               ; Off                ;      ;    ;
+-------------------------------------------------------+--------------------+------+----+


+-------------------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Summary                                                                                                 ;
+------------------------------+-------+---------------+-------------+------+------+------------+----------+--------------+
; Type                         ; Slack ; Required Time ; Actual Time ; From ; To   ; From Clock ; To Clock ; Failed Paths ;
+------------------------------+-------+---------------+-------------+------+------+------------+----------+--------------+
; Worst-case tpd               ; N/A   ; None          ; 20.193 ns   ; b[0] ; y[5] ;            ;          ; 0            ;
; Worst-case Minimum tpd       ; N/A   ; None          ; 9.366 ns    ; a[0] ; y[0] ;            ;          ; 0            ;
; Total number of failed paths ;       ;               ;             ;      ;      ;            ;          ; 0            ;
+------------------------------+-------+---------------+-------------+------+------+------------+----------+--------------+


+-----------------------------------------------------------+
; tpd                                                       ;
+-------+-------------------+-----------------+------+------+
; Slack ; Required P2P Time ; Actual P2P Time ; From ; To   ;
+-------+-------------------+-----------------+------+------+
; N/A   ; None              ; 20.193 ns       ; b[0] ; y[5] ;
; N/A   ; None              ; 20.145 ns       ; b[0] ; y[6] ;
; N/A   ; None              ; 19.787 ns       ; b[0] ; y[7] ;
; N/A   ; None              ; 19.452 ns       ; a[1] ; y[5] ;
; N/A   ; None              ; 19.404 ns       ; a[1] ; y[6] ;
; N/A   ; None              ; 19.403 ns       ; a[2] ; y[5] ;
; N/A   ; None              ; 19.355 ns       ; a[2] ; y[6] ;
; N/A   ; None              ; 19.192 ns       ; b[0] ; y[4] ;
; N/A   ; None              ; 19.046 ns       ; a[1] ; y[7] ;
; N/A   ; None              ; 18.997 ns       ; a[2] ; y[7] ;
; N/A   ; None              ; 18.765 ns       ; a[3] ; y[5] ;
; N/A   ; None              ; 18.717 ns       ; a[3] ; y[6] ;
; N/A   ; None              ; 18.691 ns       ; a[0] ; y[5] ;
; N/A   ; None              ; 18.643 ns       ; a[0] ; y[6] ;
; N/A   ; None              ; 18.451 ns       ; a[1] ; y[4] ;
; N/A   ; None              ; 18.402 ns       ; a[2] ; y[4] ;
; N/A   ; None              ; 18.359 ns       ; a[3] ; y[7] ;
; N/A   ; None              ; 18.330 ns       ; b[0] ; y[3] ;
; N/A   ; None              ; 18.285 ns       ; a[0] ; y[7] ;
; N/A   ; None              ; 17.764 ns       ; a[3] ; y[4] ;
; N/A   ; None              ; 17.690 ns       ; a[0] ; y[4] ;
; N/A   ; None              ; 17.589 ns       ; a[1] ; y[3] ;
; N/A   ; None              ; 17.574 ns       ; b[1] ; y[5] ;
; N/A   ; None              ; 17.526 ns       ; b[1] ; y[6] ;
; N/A   ; None              ; 17.217 ns       ; a[2] ; y[3] ;
; N/A   ; None              ; 17.168 ns       ; b[1] ; y[7] ;
; N/A   ; None              ; 16.828 ns       ; a[0] ; y[3] ;
; N/A   ; None              ; 16.698 ns       ; b[1] ; y[4] ;
; N/A   ; None              ; 16.525 ns       ; a[3] ; y[3] ;
; N/A   ; None              ; 16.099 ns       ; b[0] ; y[2] ;
; N/A   ; None              ; 15.906 ns       ; b[1] ; y[3] ;
; N/A   ; None              ; 15.358 ns       ; a[1] ; y[2] ;
; N/A   ; None              ; 14.791 ns       ; a[2] ; y[2] ;
; N/A   ; None              ; 14.597 ns       ; a[0] ; y[2] ;
; N/A   ; None              ; 14.021 ns       ; b[2] ; y[5] ;