Spartan-3 - Speed File Revision History

Description

What is the revision history for the Spartan-3 family?

Solution

Speed File Revision History 

1.39 Release: Description and Explanation of Changes 

- Added automotive version of 3s1500 (a3s1500) to speed files. 

- a3s1500 for all speed grades is now PRODUCTION. 

1.38 Release: Description and Explanation of Changes 

- Updated CLKIN Max/Min Frequency limits to match data sheet. 

- 3s5000 for all speed grades is now PRODUCTION. 

1.37 Release: Description and Explanation of Changes 

- All Speed Grades have PRODUCTION status except 3s5000, which is still ADVANCED. 

- Increased delays for the DELAY component in the IOB. 

1.36 Release: Description and Explanation of Changes 

- Added support for new I/O Standard adjustments (SSTL18_II). 

- Corrected values for MIN/MAX Frequency for Period checks. 

1.35 Release: Description and Explanation of Changes 

- 3s50, 3s1000, 3s1500 speed grade -4 are now PRODUCTION. 

- Updated maximum frequency for speed grade -5 for the DCM. 

1.34 Release: Description and Explanation of Changes 

- Added I/O support for HSLVDCI_{15, 18, 25, 33}. 

- Added support for low voltage devices. 

1.32 Release: Description and Explanation of Changes 

- 3s200 and 3s400 speed grade -4 is changed to PRODUCTION. 

- Updated IOB Delay and IOB Delay Mux values. 

- Updated I/O Adjustment values. 

- Updated values for the Frequency checks. 

1.30 Release: Description and Explanation of Changes 

- Added I/O Support for HSLVDCI_18. 

1.29 Release: Description and Explanation of Changes 

- Adjusted Multiplier delays to be more in line with Virtex-II Pro. 

- Updated I/O Standard adjustment values. 

- Updated SLICEM and SLICEL delay values. 

1.27 Release: Description and Explanation of Changes 

- Added support for LVPECL_25 I/O Standard adjustment. 

- Reduced IOB Delay by 0.75. 

- Removed Unsupported I/O Adjustments (HSTL_II, HSTL_II_DCI, LVCMOS15_16, and LVCMOS12_8). 

1.26 Release: Description and Explanation of Changes 

- Added values for Period Checks. 

- Changed JITTER values. 

- Updated relative min factors for hold analysis. 

- Updated I/O Adjustments values. 

1.22 Release: Description and Explanation of Changes 

- Updated Multiplier Values. 

- Adjusted IOB Delay Mux values. 

- Updated I/O Adjustments to include LVCMOS33, LVTTL, PCI33, PCI66, LVDCI_33, LVDCI_DV2_33, RSDS_25, and removed HSTL_II and HSTL_II_DCI. 

- Updated parameters for SLICEM and SLICEL. 

1.20 Release: Description and Explanation of Changes 

- Splitting of values based upon SLICEL and SLICEM. 

- Added support for 3s4000 and 3s5000.

For information on current speed file versions with respect to design tool releases, see (Xilinx Answer 12201).