chengfa_8.tan.rpt

异步FIFO设计的说明文档

Timing Analyzer report for CHENGFA_8
Sun Oct 14 10:47:58 2007
Version 6.0 Build 178 04/27/2006 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Summary
  3. Timing Analyzer Settings
  4. Clock Settings Summary
  5. Clock Setup: 'CLK'
  6. tsu
  7. tco
  8. th
  9. Timing Analyzer Messages



----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2006 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 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 tsu               ; N/A   ; None          ; 4.069 ns                         ; B[1]       ; p[4]  ; --         ; CLK      ; 0            ;
; Worst-case tco               ; N/A   ; None          ; 12.883 ns                        ; Y[15]~reg0 ; Y[15] ; CLK        ; --       ; 0            ;
; Worst-case th                ; N/A   ; None          ; -0.148 ns                        ; A[5]       ; t[5]  ; --         ; CLK      ; 0            ;
; Clock Setup: 'CLK'           ; N/A   ; None          ; 185.87 MHz ( period = 5.380 ns ) ; p[3]       ; p[15] ; CLK        ; CLK      ; 0            ;
; Total number of failed paths ;       ;               ;                                  ;            ;       ;            ;          ; 0            ;
+------------------------------+-------+---------------+----------------------------------+------------+-------+------------+----------+--------------+


+------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                                             ;
+-------------------------------------------------------+--------------------+------+----+-------------+
; Option                                                ; Setting            ; From ; To ; Entity Name ;
+-------------------------------------------------------+--------------------+------+----+-------------+
; Device Name                                           ; EP1C3T144C8        ;      ;    ;             ;
; Timing Models                                         ; Final              ;      ;    ;             ;
; 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                ;      ;    ;             ;
; 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               ; Off                ;      ;    ;             ;
; Enable Recovery/Removal analysis                      ; Off                ;      ;    ;             ;
; Enable Clock Latency                                  ; Off                ;      ;    ;             ;
; Use TimeQuest Timing Analyzer                         ; Off                ;      ;    ;             ;
+-------------------------------------------------------+--------------------+------+----+-------------+


+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
; Clock Settings Summary                                                                                                                                                             ;
+-----------------+--------------------+----------+------------------+---------------+--------------+----------+-----------------------+---------------------+--------+--------------+
; Clock Node Name ; Clock Setting Name ; Type     ; Fmax Requirement ; Early Latency ; Late Latency ; Based on ; Multiply Base Fmax by ; Divide Base Fmax by ; Offset ; Phase offset ;
+-----------------+--------------------+----------+------------------+---------------+--------------+----------+-----------------------+---------------------+--------+--------------+
; CLK             ;                    ; User Pin ; None             ; 0.000 ns      ; 0.000 ns     ; --       ; N/A                   ; N/A                 ; N/A    ;              ;
+-----------------+--------------------+----------+------------------+---------------+--------------+----------+-----------------------+---------------------+--------+--------------+


+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
; Clock Setup: 'CLK'                                                                                                                                                                                                              ;
+-----------------------------------------+-----------------------------------------------------+----------+----------+------------+----------+-----------------------------+---------------------------+-------------------------+
; Slack                                   ; Actual fmax (period)                                ; From     ; To       ; From Clock ; To Clock ; Required Setup Relationship ; Required Longest P2P Time ; Actual Longest P2P Time ;
+-----------------------------------------+-----------------------------------------------------+----------+----------+------------+----------+-----------------------------+---------------------------+-------------------------+
; N/A                                     ; 185.87 MHz ( period = 5.380 ns )                    ; p[3]     ; p[15]    ; CLK        ; CLK      ; None                        ; None                      ; 5.119 ns                ;
; N/A                                     ; 188.64 MHz ( period = 5.301 ns )                    ; count[1] ; p[4]     ; CLK        ; CLK      ; None                        ; None                      ; 5.040 ns                ;
; N/A                                     ; 189.79 MHz ( period = 5.269 ns )                    ; p[1]     ; p[15]    ; CLK        ; CLK      ; None                        ; None                      ; 5.008 ns                ;