full_adder.tan.rpt

实现一位加法器的设计

Classic Timing Analyzer report for full_adder
Tue Jun 25 02:46:31 2002
Quartus II Version 7.2 Build 203 02/05/2008 Service Pack 2 SJ Full Version


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



----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2007 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic 
functions, and any output files from any of the foregoing 
(including device programming or simulation files), and any 
associated documentation or information are expressly subject 
to the terms and conditions of the Altera Program License 
Subscription Agreement, Altera MegaCore Function License 
Agreement, or other applicable license agreement, including, 
without limitation, that your use is for the sole purpose of 
programming logic devices manufactured by Altera and sold by 
Altera or its authorized distributors.  Please refer to the 
applicable agreement for further details.



+------------------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Summary                                                                                                ;
+------------------------------+-------+---------------+-------------+------+-----+------------+----------+--------------+
; Type                         ; Slack ; Required Time ; Actual Time ; From ; To  ; From Clock ; To Clock ; Failed Paths ;
+------------------------------+-------+---------------+-------------+------+-----+------------+----------+--------------+
; Worst-case tpd               ; N/A   ; None          ; 9.559 ns    ; bin  ; sum ; --         ; --       ; 0            ;
; Total number of failed paths ;       ;               ;             ;      ;     ;            ;          ; 0            ;
+------------------------------+-------+---------------+-------------+------+-----+------------+----------+--------------+


+---------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                                                      ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Option                                                         ; Setting            ; From ; To ; Entity Name ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Device Name                                                    ; EP2C35F672C6       ;      ;    ;             ;
; Timing Models                                                  ; Final              ;      ;    ;             ;
; Default hold multicycle                                        ; Same as Multicycle ;      ;    ;             ;
; Cut paths between unrelated clock domains                      ; On                 ;      ;    ;             ;
; Cut off read during write signal paths                         ; On                 ;      ;    ;             ;
; Cut off feedback from I/O pins                                 ; On                 ;      ;    ;             ;
; Report Combined Fast/Slow Timing                               ; Off                ;      ;    ;             ;
; Ignore Clock Settings                                          ; Off                ;      ;    ;             ;
; Analyze latches as synchronous elements                        ; On                 ;      ;    ;             ;
; Enable Recovery/Removal analysis                               ; Off                ;      ;    ;             ;
; Enable Clock Latency                                           ; Off                ;      ;    ;             ;
; Use TimeQuest Timing Analyzer                                  ; Off                ;      ;    ;             ;
; Number of source nodes to report per destination node          ; 10                 ;      ;    ;             ;
; Number of destination nodes to report                          ; 10                 ;      ;    ;             ;
; Number of paths to report                                      ; 200                ;      ;    ;             ;
; Report Minimum Timing Checks                                   ; Off                ;      ;    ;             ;
; Use Fast Timing Models                                         ; Off                ;      ;    ;             ;
; Report IO Paths Separately                                     ; Off                ;      ;    ;             ;
; Perform Multicorner Analysis                                   ; On                 ;      ;    ;             ;
; Reports the worst-case path for each clock domain and analysis ; Off                ;      ;    ;             ;
+----------------------------------------------------------------+--------------------+------+----+-------------+


+-----------------------------------------------------------+
; tpd                                                       ;
+-------+-------------------+-----------------+------+------+
; Slack ; Required P2P Time ; Actual P2P Time ; From ; To   ;
+-------+-------------------+-----------------+------+------+
; N/A   ; None              ; 9.559 ns        ; bin  ; sum  ;
; N/A   ; None              ; 9.551 ns        ; bin  ; cout ;
; N/A   ; None              ; 8.890 ns        ; bin  ; red2 ;
; N/A   ; None              ; 5.434 ns        ; ain  ; sum  ;
; N/A   ; None              ; 5.430 ns        ; ain  ; cout ;
; N/A   ; None              ; 5.158 ns        ; cin  ; sum  ;
; N/A   ; None              ; 5.155 ns        ; cin  ; cout ;
; N/A   ; None              ; 4.856 ns        ; cin  ; red3 ;
; N/A   ; None              ; 4.760 ns        ; ain  ; red1 ;
+-------+-------------------+-----------------+------+------+


+--------------------------+
; Timing Analyzer Messages ;
+--------------------------+
Info: *******************************************************************
Info: Running Quartus II Classic Timing Analyzer
    Info: Version 7.2 Build 203 02/05/2008 Service Pack 2 SJ Full Version
    Info: Processing started: Tue Jun 25 02:46:30 2002
Info: Command: quartus_tan --read_settings_files=off --write_settings_files=off full_adder -c full_adder --timing_analysis_only
Info: Longest tpd from source pin "bin" to destination pin "sum" is 9.559 ns
    Info: 1: + IC(0.000 ns) + CELL(0.880 ns) = 0.880 ns; Loc. = PIN_J10; Fanout = 3; PIN Node = 'bin'
    Info: 2: + IC(5.033 ns) + CELL(0.275 ns) = 6.188 ns; Loc. = LCCOMB_X30_Y35_N4; Fanout = 1; COMB Node = 'half_adder:inst1|s~16'
    Info: 3: + IC(0.573 ns) + CELL(2.798 ns) = 9.559 ns; Loc. = PIN_B11; Fanout = 0; PIN Node = 'sum'
    Info: Total cell delay = 3.953 ns ( 41.35 % )
    Info: Total interconnect delay = 5.606 ns ( 58.65 % )
Info: Quartus II Classic Timing Analyzer was successful. 0 errors, 0 warnings
    Info: Allocated 120 megabytes of memory during processing
    Info: Processing ended: Tue Jun 25 02:46:32 2002
    Info: Elapsed time: 00:00:02