The 128 macrocells in the 84 pin
CY7C374i are divided between eight logic blocks. Each logic block includes 16
macrocells, a 72 x 86 product term array, and an intelligent product term
allocator. You can refer to (cy7c374i)
for more details.
Figure 6: Logic Block Diagram
The pin layout of the CYC374I CPLD is
Figure 7: Pin Layout