quartus/register_8b/register_8b.tan.rpt

215 行
14 KiB
Plaintext

Classic Timing Analyzer report for register_8b
Tue Mar 08 15:08:53 2022
Quartus II Version 9.0 Build 235 06/17/2009 Service Pack 2 SJ Web Edition
---------------------
; Table of Contents ;
---------------------
1. Legal Notice
2. Timing Analyzer Summary
3. Timing Analyzer Settings
4. Clock Settings Summary
5. Parallel Compilation
6. tsu
7. tco
8. th
9. Timing Analyzer Messages
----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2009 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 tsu ; N/A ; None ; 3.273 ns ; D0 ; inst8 ; -- ; CP ; 0 ;
; Worst-case tco ; N/A ; None ; 11.227 ns ; inst3 ; Q5 ; CP ; -- ; 0 ;
; Worst-case th ; N/A ; None ; -2.294 ns ; D5 ; inst3 ; -- ; CP ; 0 ;
; Total number of failed paths ; ; ; ; ; ; ; ; 0 ;
+------------------------------+-------+---------------+-------------+-------+-------+------------+----------+--------------+
+--------------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings ;
+---------------------------------------------------------------------+--------------------+------+----+-------------+
; Option ; Setting ; From ; To ; Entity Name ;
+---------------------------------------------------------------------+--------------------+------+----+-------------+
; Device Name ; EP2C8Q208C8 ; ; ; ;
; 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 ; ; ; ;
; Minimum Core Junction Temperature ; 0 ; ; ; ;
; Maximum Core Junction Temperature ; 85 ; ; ; ;
; 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 ; ; ; ;
; Removes common clock path pessimism (CCPP) during slack computation ; Off ; ; ; ;
; Output I/O Timing Endpoint ; Near End ; ; ; ;
+---------------------------------------------------------------------+--------------------+------+----+-------------+
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
; 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 ;
+-----------------+--------------------+----------+------------------+---------------+--------------+----------+-----------------------+---------------------+--------+--------------+
; CP ; ; User Pin ; None ; 0.000 ns ; 0.000 ns ; -- ; N/A ; N/A ; N/A ; ;
+-----------------+--------------------+----------+------------------+---------------+--------------+----------+-----------------------+---------------------+--------+--------------+
+------------------------------------------+
; Parallel Compilation ;
+----------------------------+-------------+
; Processors ; Number ;
+----------------------------+-------------+
; Number detected on machine ; 4 ;
; Maximum allowed ; 4 ;
; ; ;
; Average used ; 1.00 ;
; Maximum used ; 1 ;
; ; ;
; Usage by Processor ; % Time Used ;
; 1 processor ; 100.0% ;
; 2-4 processors ; 0.0% ;
+----------------------------+-------------+
+-------------------------------------------------------------+
; tsu ;
+-------+--------------+------------+------+-------+----------+
; Slack ; Required tsu ; Actual tsu ; From ; To ; To Clock ;
+-------+--------------+------------+------+-------+----------+
; N/A ; None ; 3.273 ns ; D0 ; inst8 ; CP ;
; N/A ; None ; 2.730 ns ; D3 ; inst5 ; CP ;
; N/A ; None ; 2.724 ns ; D7 ; inst ; CP ;
; N/A ; None ; 2.599 ns ; D1 ; inst7 ; CP ;
; N/A ; None ; 2.597 ns ; D2 ; inst6 ; CP ;
; N/A ; None ; 2.569 ns ; D6 ; inst2 ; CP ;
; N/A ; None ; 2.567 ns ; D4 ; inst4 ; CP ;
; N/A ; None ; 2.560 ns ; D5 ; inst3 ; CP ;
+-------+--------------+------------+------+-------+----------+
+-------------------------------------------------------------+
; tco ;
+-------+--------------+------------+-------+----+------------+
; Slack ; Required tco ; Actual tco ; From ; To ; From Clock ;
+-------+--------------+------------+-------+----+------------+
; N/A ; None ; 11.227 ns ; inst3 ; Q5 ; CP ;
; N/A ; None ; 11.226 ns ; inst2 ; Q6 ; CP ;
; N/A ; None ; 11.174 ns ; inst5 ; Q3 ; CP ;
; N/A ; None ; 11.161 ns ; inst4 ; Q4 ; CP ;
; N/A ; None ; 11.157 ns ; inst ; Q7 ; CP ;
; N/A ; None ; 10.809 ns ; inst8 ; Q0 ; CP ;
; N/A ; None ; 10.781 ns ; inst7 ; Q1 ; CP ;
; N/A ; None ; 10.767 ns ; inst6 ; Q2 ; CP ;
+-------+--------------+------------+-------+----+------------+
+-------------------------------------------------------------------+
; th ;
+---------------+-------------+-----------+------+-------+----------+
; Minimum Slack ; Required th ; Actual th ; From ; To ; To Clock ;
+---------------+-------------+-----------+------+-------+----------+
; N/A ; None ; -2.294 ns ; D5 ; inst3 ; CP ;
; N/A ; None ; -2.301 ns ; D4 ; inst4 ; CP ;
; N/A ; None ; -2.303 ns ; D6 ; inst2 ; CP ;
; N/A ; None ; -2.331 ns ; D2 ; inst6 ; CP ;
; N/A ; None ; -2.333 ns ; D1 ; inst7 ; CP ;
; N/A ; None ; -2.458 ns ; D7 ; inst ; CP ;
; N/A ; None ; -2.464 ns ; D3 ; inst5 ; CP ;
; N/A ; None ; -3.007 ns ; D0 ; inst8 ; CP ;
+---------------+-------------+-----------+------+-------+----------+
+--------------------------+
; Timing Analyzer Messages ;
+--------------------------+
Info: *******************************************************************
Info: Running Quartus II Classic Timing Analyzer
Info: Version 9.0 Build 235 06/17/2009 Service Pack 2 SJ Web Edition
Info: Processing started: Tue Mar 08 15:08:53 2022
Info: Command: quartus_tan --read_settings_files=off --write_settings_files=off register_8b -c register_8b --timing_analysis_only
Info: Parallel compilation is enabled and will use 4 of the 4 processors detected
Warning: Found pins functioning as undefined clocks and/or memory enables
Info: Assuming node "CP" is an undefined clock
Info: No valid register-to-register data paths exist for clock "CP"
Info: tsu for register "inst8" (data pin = "D0", clock pin = "CP") is 3.273 ns
Info: + Longest pin to register delay is 7.692 ns
Info: 1: + IC(0.000 ns) + CELL(0.974 ns) = 0.974 ns; Loc. = PIN_77; Fanout = 1; PIN Node = 'D0'
Info: 2: + IC(6.404 ns) + CELL(0.206 ns) = 7.584 ns; Loc. = LCCOMB_X25_Y1_N22; Fanout = 1; COMB Node = 'inst8~feeder'
Info: 3: + IC(0.000 ns) + CELL(0.108 ns) = 7.692 ns; Loc. = LCFF_X25_Y1_N23; Fanout = 1; REG Node = 'inst8'
Info: Total cell delay = 1.288 ns ( 16.74 % )
Info: Total interconnect delay = 6.404 ns ( 83.26 % )
Info: + Micro setup delay of destination is -0.040 ns
Info: - Shortest clock path from clock "CP" to destination register is 4.379 ns
Info: 1: + IC(0.000 ns) + CELL(0.994 ns) = 0.994 ns; Loc. = PIN_67; Fanout = 8; CLK Node = 'CP'
Info: 2: + IC(2.719 ns) + CELL(0.666 ns) = 4.379 ns; Loc. = LCFF_X25_Y1_N23; Fanout = 1; REG Node = 'inst8'
Info: Total cell delay = 1.660 ns ( 37.91 % )
Info: Total interconnect delay = 2.719 ns ( 62.09 % )
Info: tco from clock "CP" to destination pin "Q5" through register "inst3" is 11.227 ns
Info: + Longest clock path from clock "CP" to source register is 4.379 ns
Info: 1: + IC(0.000 ns) + CELL(0.994 ns) = 0.994 ns; Loc. = PIN_67; Fanout = 8; CLK Node = 'CP'
Info: 2: + IC(2.719 ns) + CELL(0.666 ns) = 4.379 ns; Loc. = LCFF_X25_Y1_N29; Fanout = 1; REG Node = 'inst3'
Info: Total cell delay = 1.660 ns ( 37.91 % )
Info: Total interconnect delay = 2.719 ns ( 62.09 % )
Info: + Micro clock to output delay of source is 0.304 ns
Info: + Longest register to pin delay is 6.544 ns
Info: 1: + IC(0.000 ns) + CELL(0.000 ns) = 0.000 ns; Loc. = LCFF_X25_Y1_N29; Fanout = 1; REG Node = 'inst3'
Info: 2: + IC(3.428 ns) + CELL(3.116 ns) = 6.544 ns; Loc. = PIN_147; Fanout = 0; PIN Node = 'Q5'
Info: Total cell delay = 3.116 ns ( 47.62 % )
Info: Total interconnect delay = 3.428 ns ( 52.38 % )
Info: th for register "inst3" (data pin = "D5", clock pin = "CP") is -2.294 ns
Info: + Longest clock path from clock "CP" to destination register is 4.379 ns
Info: 1: + IC(0.000 ns) + CELL(0.994 ns) = 0.994 ns; Loc. = PIN_67; Fanout = 8; CLK Node = 'CP'
Info: 2: + IC(2.719 ns) + CELL(0.666 ns) = 4.379 ns; Loc. = LCFF_X25_Y1_N29; Fanout = 1; REG Node = 'inst3'
Info: Total cell delay = 1.660 ns ( 37.91 % )
Info: Total interconnect delay = 2.719 ns ( 62.09 % )
Info: + Micro hold delay of destination is 0.306 ns
Info: - Shortest pin to register delay is 6.979 ns
Info: 1: + IC(0.000 ns) + CELL(0.964 ns) = 0.964 ns; Loc. = PIN_86; Fanout = 1; PIN Node = 'D5'
Info: 2: + IC(5.701 ns) + CELL(0.206 ns) = 6.871 ns; Loc. = LCCOMB_X25_Y1_N28; Fanout = 1; COMB Node = 'inst3~feeder'
Info: 3: + IC(0.000 ns) + CELL(0.108 ns) = 6.979 ns; Loc. = LCFF_X25_Y1_N29; Fanout = 1; REG Node = 'inst3'
Info: Total cell delay = 1.278 ns ( 18.31 % )
Info: Total interconnect delay = 5.701 ns ( 81.69 % )
Info: Quartus II Classic Timing Analyzer was successful. 0 errors, 1 warning
Info: Peak virtual memory: 212 megabytes
Info: Processing ended: Tue Mar 08 15:08:53 2022
Info: Elapsed time: 00:00:00
Info: Total CPU time (on all processors): 00:00:00