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AX2000 Scheda tecnica(PDF) 18 Page - Microsemi Corporation |
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AX2000 Scheda tecnica(HTML) 18 Page - Microsemi Corporation |
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18 / 262 page ![]() Detailed Specifications 2- 4 R ev isio n 1 8 Ptotal = Pdc + Pac PHCLK = (P1 + P2 * s + P3 * sqrt[s]) * Fs PCLK = (P4 + P5 * s + P6 * sqrt[s]) * Fs PR-cells = P7 * ms * Fs PC-cells = P8 * mc * Fs Pinputs = P9 * pi * Fpi Table 2-5 • Different Components Contributing to the Total Power Consumption in Axcelerator Devices Component Definition Device Specific Value (in µW/MHz) 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 RAM block 25 25 25 25 25 P12 Power component associated with the write operation in the RAM block 30 30 30 30 30 P13 Core PLL power component 1.5 1.5 1.5 1.5 1.5 Pdc = ICCA * VCCA Pac =PHCLK + PCLK + PR-cells + PC-cells + Pinputs + Poutputs + Pmemory + PPLL s = the number of R-cells clocked by this clock Fs = the clock frequency s = the number of R-cells clocked by this clock Fs = the clock frequency ms = the number of R-cells switching at each Fs cycle Fs = the clock frequency mc = the number of C-cells switching at each Fs cycle Fs = the clock frequency pi = the number of inputs Fpi = the average input frequency |
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