General Description: -2 .db XC4000E synthesis library files for XSI 5.2.1 are now available via the Xilinx anonymous FTP site (ftp.xilinx.com). These files are designed to work with XSI 5.2.1, and Synopsys 3.3b.
There is a README file in the above file which explain how to install these .db files. These files can be used with FPGA Compiler 3.3b and above, or Design Compiler 3.3b.