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U1AFS250-FG256 Datasheet, PDF (15/27 Pages) Actel Corporation – 3 - DC and Power Characteristics
Actel Fusion Mixed-Signal FPGA for the MicroBlade AdvancedMC Solution
Dynamic Power Consumption of Various Internal Resources
Table 3-11 • Different Components Contributing to the Dynamic Power Consumption in MicroBlade-Based
Fusion Devices
Power Supply
Device-Specific
Dynamic Contributions
Parameter
Definition
Name Setting U1AFS1500 U1AFS600 U1AFS250 Units
PAC1
Clock contribution of a Global VCC 1.5 V
14.5
Rib
12.8
11
µW/MHz
PAC2
Clock contribution of a Global VCC 1.5 V
2.5
Spine
1.9
1.6 µW/MHz
PAC3
Clock contribution of a VersaTile VCC
row
1.5 V
0.81
µW/MHz
PAC4
Clock contribution of a VersaTile VCC
used as a sequential module
1.5 V
0.11
µW/MHz
PAC5
First contribution of a VersaTile VCC
used as a sequential module
1.5 V
0.07
µW/MHz
PAC6
Second contribution of a VCC
VersaTile used as a sequential
module
1.5 V
0.29
µW/MHz
PAC7
Contribution of a VersaTile used VCC
as a combinatorial module
1.5 V
0.29
µW/MHz
PAC8
Average contribution of a VCC
routing net
1.5 V
0.70
µW/MHz
PAC9
PAC10
PAC11
Contribution of an I/O input pin
(standard dependent)
Contribution of an I/O output
pin (standard dependent)
Average contribution of a RAM
block during a read operation
VMV/
VCC
VCCI/
VCC
VCC
1.5 V
See Table 3-9 on page 3-11
See Table 3-10 on page 3-13
25
µW/MHz
PAC12
Average contribution of a RAM VCC
block during a write operation
1.5 V
30
µW/MHz
PAC13
PAC15
Dynamic Contribution for PLL
VCC
Contribution of NVM block VCC
during a read operation (F <
33MHz)
1.5 V
1.5 V
2.6
µW/MHz
358
µW/MHz
PAC16
1st contribution of NVM block VCC 1.5 V
12.88
mW
during a read operation (F >
33MHz)
PAC17
2nd contribution of NVM block VCC
during a read operation (F >
33MHz)
1.5 V
4.8
µW/MHz
PAC18
Crystal Oscillator contribution VCC33A 3.3 V
0.63
mW
PAC19
RC Oscillator contribution
VCC33A 3.3 V
3.3
mW
PAC20
Analog Block dynamic power VCC 1.5 V
3
mW
contribution of ADC
Preliminary v0.4
3 - 15