Xilinx XC9572XL CPLD 64-pin IC VQFP Package :

The XC9572XL is a 3.3V CPLD targeted for high-performance, low-voltage applications in leading-edge communications and computing systems.
It is comprised of four 54V18 Function Blocks, providing 1,600 usable gates with propagation delays of 5 ns.
(72 macrocells with 1,600 usable gates). 

Features:

- XC9572XL chip (72 macrocells with 1,600 usable gates)
- System Frequency up to 178Mhz 
- 5 ns pin-to-pin logic delays
- 5V to 3.3 V (AMS1117-3.3) voltage regulator chip
- Optimized for high-performance 3.3V systems
- Low power operation
- 5V tolerant I/O pins accept 5V, 3.3V, and 2.5V signals
- 3.3V or 2.5V output capability
- CPLD chip got its internal flash to store the config files.
- On chip non-volatile code storage