36-macrocell / 800 gate Xilinx XC9500XL series CPLD, available in 44PLCC/44TQFP/48CSBGA/64TQFP packages. The one we decapped was a 44TQFP. Note probe scrub marks from wafer test on unbonded pads.

Approximate size: 1390 x 3150 μm (4.38 mm^2)

http://siliconpr0n.org/map/xilinx/xc9536xl_vqg44awn1105__neo50xulwd__semipol_lev_noz_dirty/