Xilinx XC9536XL CPLD (36 macrocells / 800 gates), available in 44PLCC/44TQFP/48CSBGA/64TQFP packages. The one we decapped was a 44TQFP. Note probe scrub marks from wafer test on unbonded pads.

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