A3P015-1FG144 ACTEL [Actel Corporation], A3P015-1FG144 Datasheet - Page 92

• Manufacturer Part Number: A3P015-1FG144
• Description: ProASIC3 Flash Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

ProASIC3 DC and Switching Characteristics
Global Resource Characteristics
Figure 2-27 • Example of Global Tree Use in an A3P250 Device for Clock Routing
2 -7 8
CCC
A3P250 Clock Tree Topology
Clock delays are device-specific.
The global tree presented in
device. It is used to drive all D-flip-flops in the device.
Figure 2-27
Figure 2-27
v1.3
is driven by a CCC located on the west side of the A3P250
is an example of a global tree used for clock routing.
Central
Global Rib
VersaTile
Rows
Global Spine