XC9500XL Xilinx Corp., XC9500XL Datasheet - Page 8

• Manufacturer Part Number: XC9500XL
• Description: XC9500XL 3.3 V CPLD Family
• Manufacturer: Xilinx Corp.

XC9500XL High-Performance CPLD Family
The product term allocator can re-assign product terms
from any macrocell within the FB by combining partial sums
of products over several macrocells, as shown in
In this example, the incremental delay is only 2
product terms are available to any macrocell, with a maxi-
mum incremental delay of 8
8
*
T
PTA.
*
T
PTA
Figure
. All 90
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7.
Figure 7: Product Term Allocation Over Several
Product Term
Allocator
Product Term
Product Term
Product Term
Allocator
Macrocells
Allocator
Allocator
Preliminary Product Specification
DS054 (v1.6) January 24, 2002
Macrocell Logic
With 2
Product Terms
Macrocell Logic
With 18
Product Terms
DS054_07 _042101
R