
ProASIC3 DC and Switching Characteristics
2-10 v1.3
Power Consumption of Various Internal Resources
Table 2-14 • Different Components Contributing to Dynamic Power Consumption in ProASIC3 Devices
Parameter Definition
Device Specific Dynamic Contributions
(µW/MHz)
A3P1000
A3P600
A3P400
A3P250
A3P125
A3P060
A3P030
A3P015
P
AC1
Clock contribution of a Global Rib 14.50 12.80 12.80 11.00 11.00 9.30 9.30 9.30
P
AC2
Clock contribution of a Global Spine 2.48 1.85 1.35 1.58 0.81 0.81 0.41 0.41
P
AC3
Clock contribution of a VersaTile row 0.81
P
AC4
Clock contribution of a VersaTile used as a
sequential module
0.12
P
AC5
First contribution of a VersaTile used as a
sequential module
0.07
P
AC6
Second contribution of a VersaTile used as a
sequential module
0.29
P
AC7
Contribution of a VersaTile used as a
combinatorial Module
0.29
P
AC8
Average contribution of a routing net 0.70
P
AC9
Contribution of an I/O input pin (standard
dependent)
See Table 2-8 on page 2-6 through
Table 2-10 on page 2-7.
P
AC10
Contribution of an I/O output pin (standard
dependent)
See Table 2-11 on page 2-8 through
Table 2-13 on page 2-9.
P
AC11
Average contribution of a RAM block during
a read operation
25.00
P
AC12
Average contribution of a RAM block during
a write operation
30.00
P
AC13
Dynamic contribution for PLL 2.60
Note: *For a different output load, drive strength, or slew rate, Actel recommends using the Actel Power
spreadsheet calculator or SmartPower tool in Libero
®
Integrated Design Environment (IDE) software.