Design Name | counter4 |
Device, Speed (SpeedFile Version) | XC2C64A, -5 (14.0 Advance Product Specification) |
Date Created | Fri Mar 07 18:00:29 2008 |
Created By | Timing Report Generator: version J.40 |
Copyright | Copyright (c) 1995-2007 Xilinx, Inc. All rights reserved. |
Notes and Warnings |
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Note: This design contains no timing constraints. |
Note: A default set of constraints using a delay of 0.000ns will be used for analysis. |
Performance Summary | |
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Min. Clock Period | 3.800 ns. |
Max. Clock Frequency (fSYSTEM) | 263.158 MHz. |
Limited by Cycle Time for clk | |
Clock to Setup (tCYC) | 3.800 ns. |
Clock Pad to Output Pad Delay (tCO) | 7.100 ns. |
Constraint Name | Requirement (ns) | Delay (ns) | Paths | Paths Failing |
---|---|---|---|---|
TS1000 | 0.0 | 0.0 | 0 | 0 |
AUTO_TS_F2F | 0.0 | 3.8 | 6 | 6 |
AUTO_TS_P2P | 0.0 | 7.1 | 4 | 4 |
AUTO_TS_P2F | 0.0 | 3.6 | 1 | 1 |
AUTO_TS_F2P | 0.0 | 3.5 | 4 | 4 |
Path | Requirement (ns) | Delay (ns) | Slack (ns) |
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Path | Requirement (ns) | Delay (ns) | Slack (ns) |
---|---|---|---|
Q0.Q to Q1.D | 0.000 | 3.800 | -3.800 |
Q0.Q to Q2.D | 0.000 | 3.800 | -3.800 |
Q0.Q to Q3.D | 0.000 | 3.800 | -3.800 |
Path | Requirement (ns) | Delay (ns) | Slack (ns) |
---|---|---|---|
clk to Q0 | 0.000 | 7.100 | -7.100 |
clk to Q1 | 0.000 | 7.100 | -7.100 |
clk to Q2 | 0.000 | 7.100 | -7.100 |
clk to Q3 | 0.000 | 7.100 | -7.100 |
Path | Requirement (ns) | Delay (ns) | Slack (ns) |
---|---|---|---|
clk to clk.GCK | 0.000 | 3.600 | -3.600 |
Path | Requirement (ns) | Delay (ns) | Slack (ns) |
---|---|---|---|
Q0.Q to Q0 | 0.000 | 3.500 | -3.500 |
Q1.Q to Q1 | 0.000 | 3.500 | -3.500 |
Q2.Q to Q2 | 0.000 | 3.500 | -3.500 |
Q3.Q to Q3 | 0.000 | 3.500 | -3.500 |
Clock | fEXT (MHz) | Reason |
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clk | 263.158 | Limited by Cycle Time for clk |
Destination Pad | Clock (edge) to Pad |
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Q0 | 7.100 |
Q1 | 7.100 |
Q2 | 7.100 |
Q3 | 7.100 |
Source | Destination | Delay |
---|---|---|
Q0.Q | Q1.D | 3.800 |
Q0.Q | Q2.D | 3.800 |
Q0.Q | Q3.D | 3.800 |
Q1.Q | Q2.D | 3.800 |
Q1.Q | Q3.D | 3.800 |
Q2.Q | Q3.D | 3.800 |
Source Pad | Destination Pad | Delay |
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