AX500-PQ208I Datasheet, PDF (18/262 Pages) Microsemi Corporation – Axcelerator Family FPGAs

Detailed Specifications
Table 2-5 • Different Components Contributing to the Total Power Consumption in Axcelerator Devices
Device Specific Value (in µW/MHz)
Component
Definition
AX125 AX250 AX500 AX1000 AX2000
P1
Core tile HCLK power component
33 49 71
130
216
P2
R-cell power component
0.2 0.2 0.2
0.2
0.2
P3
HCLK signal power dissipation
4.5 4.5
9
13.5
18
P4
Core tile RCLK power component
33 49 71
130
216
P5
R-cell power component
0.3 0.3 0.3
0.3
0.3
P6
RCLK signal power dissipation
6.5 6.5 13
19.5
26
P7
Power dissipation due to the switching activity on the R-cell 1.6 1.6 1.6
1.6
1.6
P8
Power dissipation due to the switching activity on the C-cell 1.4 1.4 1.4
1.4
1.4
P9
Power component associated with the input voltage
10 10 10
10
10
P10
Power component associated with the output voltage
See table Per pin contribution
P11
Power component associated with the read operation in the 25 25 25
25
25
RAM block
P12
Power component associated with the write operation in 30 30 30
30
30
the RAM block
P13
Core PLL power component
1.5 1.5 1.5
1.5
1.5
Ptotal = Pdc + Pac
P_dc = ICCA * VCCA
P_ac = P_HCLK + P_CLK + P_R-cells + P_C-cells + P_inputs + P_outputs + P_memory + P_PLL
P_HCLK = (P1 + P2 * s + P3 * sqrt[s]) * Fs
s = the number of R-cells clocked by this clock
Fs = the clock frequency
PCLK = (P4 + P5 * s + P6 * sqrt[s]) * Fs
s = the number of R-cells clocked by this clock
Fs = the clock frequency
PR-cells = P7 * ms * Fs
ms = the number of R-cells switching at each Fs cycle
Fs = the clock frequency
PC-cells = P8 * mc * Fs
mc = the number of C-cells switching at each Fs cycle
Fs = the clock frequency
Pinputs = P9 * pi * Fpi
pi = the number of inputs
F_pi = the average input frequency
2-4
Revision 18