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 why my ELC internal power result so large??? 

Last post 03-05-2014 4:14 PM by Willvlsi. 0 replies.
Started by Willvlsi 05 Mar 2014 04:14 PM. Topic has 0 replies and 632 views
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  • 03-05-2014 4:14 PM

    • Willvlsi
    • Not Ranked
    • Joined on 02-08-2014
    • Posts 6
    • Points 90
    why my ELC internal power result so large??? Reply
    Hi, all

    I am characterizing a std library using encounter library characterizer, after the result comes out, the timing is almost the same with my reference lib, however, the internal power is much larger than the reference.

    Here is the ref lib example of inv:

    internal_power() {
    related_pin : "I";
    fall_power(energy_template_7x7) {
    index_1 ("0.1500, 0.1950, 0.2850, 0.4650, 0.8250, 1.5450, 3.0000");
    index_2 ("0.0275, 0.0358, 0.0524, 0.0856, 0.1520, 0.2848, 0.5500");
    values("0.0146, 0.0143, 0.0139, 0.0137, 0.0135, 0.0134, 0.0133", \
    "0.0177, 0.0172, 0.0165, 0.0152, 0.0146, 0.0140, 0.0137", \
    "0.0263, 0.0247, 0.0229, 0.0202, 0.0178, 0.0160, 0.0148", \
    "0.0485, 0.0454, 0.0403, 0.0340, 0.0280, 0.0225, 0.0186", \
    "0.1052, 0.0980, 0.0873, 0.0732, 0.0574, 0.0426, 0.0314", \
    "0.2376, 0.2253, 0.2054, 0.1763, 0.1414, 0.1049, 0.0729", \
    "0.5292, 0.5112, 0.4801, 0.4300, 0.3606, 0.2807, 0.2020");
    }
    rise_power(energy_template_7x7) {
    index_1 ("0.1500, 0.1950, 0.2850, 0.4650, 0.8250, 1.5450, 3.0000");
    index_2 ("0.0275, 0.0358, 0.0524, 0.0856, 0.1520, 0.2848, 0.5500");
    values("0.1132, 0.1125, 0.1118, 0.1109, 0.1107, 0.1104, 0.1110", \
    "0.1177, 0.1163, 0.1148, 0.1144, 0.1120, 0.1112, 0.1109", \
    "0.1302, 0.1277, 0.1250, 0.1210, 0.1177, 0.1140, 0.1121", \
    "0.1589, 0.1547, 0.1488, 0.1403, 0.1315, 0.1236, 0.1180", \
    "0.2244, 0.2176, 0.2069, 0.1912, 0.1719, 0.1527, 0.1368", \
    "0.3664, 0.3568, 0.3398, 0.3128, 0.2774, 0.2350, 0.1952", \
    "0.6688, 0.6550, 0.6313, 0.5917, 0.5317, 0.4535, 0.3648");
    }

    Here is my result from ELC:

    internal_power() {
    related_pin : "I";
    rise_power(energy_template_7x7) {
    index_1 ("0.15, 0.195, 0.285, 0.465, 0.825, 1.545, 3");
    index_2 ("0.0275, 0.0358, 0.0524, 0.0856, 0.152, 0.2848, 0.55");
    values ( \
    "0.250143, 0.294332, 0.384242, 0.564545, 0.926109, 1.64877, 3.09253", \
    "0.25458, 0.298545, 0.387506, 0.566799, 0.926855, 1.6491, 3.09263", \
    "0.266756, 0.309973, 0.397712, 0.575173, 0.932731, 1.65136, 3.09405", \
    "0.296662, 0.33773, 0.42031, 0.592889, 0.945036, 1.66245, 3.10148", \
    "0.361799, 0.400121, 0.480181, 0.642851, 0.985232, 1.68859, 3.12031", \
    "0.499045, 0.533272, 0.606913, 0.762445, 1.08822, 1.77142, 3.18192", \
    "0.795337, 0.826922, 0.893386, 1.03452, 1.33868, 1.97731, 3.34011");
    }
    fall_power(energy_template_7x7) {
    index_1 ("0.15, 0.195, 0.285, 0.465, 0.825, 1.545, 3");
    index_2 ("0.0275, 0.0358, 0.0524, 0.0856, 0.152, 0.2848, 0.55");
    values ( \
    "0.137081, 0.182511, 0.273648, 0.454886, 0.816747, 1.5399, 2.98395", \
    "0.134285, 0.180146, 0.271656, 0.45348, 0.815519, 1.53916, 2.98357", \
    "0.12622, 0.172893, 0.265303, 0.448603, 0.812201, 1.53658, 2.98196", \
    "0.104768, 0.153176, 0.248546, 0.434988, 0.802701, 1.52955, 2.97739", \
    "0.047762, 0.099884, 0.202154, 0.396617, 0.773335, 1.51029, 2.96357", \
    "0.078644, 0.021338, 0.089133, 0.298237, 0.692397, 1.44976, 2.92269", \
    "0.364571, 0.300658, 0.17897, 0.045831, 0.480675, 1.28133, 2.80204");
    }

    Anyone knows why?

    Thanks in advance!
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    • Post Points: 5
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Started by Willvlsi at 05 Mar 2014 04:14 PM. Topic has 0 replies.