dbx.ibs

利用CANDANCE软件做的一个板级信号完整性分析的例子

Rref  = 50
Cref  = 0.0pF
|
|                    typ                 min                 max
|
C_comp               4.00pF              2.00pF              6.00pF
[Voltage range]      3.300V              2.970V              3.465V
[Temperature Range] 50.0                 0.0               100.0
|
|*********************************************************************
|
[Pulldown]
|
|       Voltage         I(typ)         I(min)         I(max)
|
        -3.30V         -1.92mA        -1.55mA        -2.25mA
        -2.80V         -2.40mA        -1.92mA        -2.86mA
        -2.70V         -2.53mA        -2.01mA        -3.02mA
        -2.40V         -3.00mA        -2.36mA        -3.63mA
        -2.30V         -3.20mA        -2.51mA        -3.90mA
        -2.10V         -3.70mA        -2.86mA        -4.57mA
        -2.00V         -4.01mA        -3.08mA        -4.99mA
        -1.90V         -4.38mA        -3.33mA        -5.51mA
        -1.80V         -4.82mA        -3.63mA        -6.14mA
        -1.70V         -5.36mA        -3.98mA        -6.94mA
        -1.60V         -6.04mA        -4.42mA        -7.98mA
        -1.50V         -6.91mA        -4.95mA        -9.39mA
        -1.40V         -8.07mA        -5.64mA       -11.39mA
        -1.30V         -9.70mA        -6.54mA       -14.46mA
        -1.20V        -12.13mA        -7.78mA       -19.76mA
        -1.10V        -16.10mA        -9.56mA       -30.71mA
        -1.00V        -23.54mA       -12.35mA       -56.32mA
      -900.00mV       -39.37mA       -17.18mA       -94.41mA
      -800.00mV       -65.79mA       -26.55mA      -126.91mA
      -700.00mV       -90.27mA       -43.59mA      -137.35mA
      -600.00mV       -96.85mA       -61.78mA      -124.32mA
      -500.00mV       -85.58mA       -65.98mA      -106.96mA
      -400.00mV       -69.79mA       -55.87mA       -86.76mA
      -300.00mV       -52.68mA       -42.32mA       -65.54mA
      -200.00mV       -35.30mA       -28.31mA       -43.98mA
      -150.00mV       -26.54mA       -21.26mA       -33.09mA
         0.00V          1.33uA        -3.10uA       -33.35uA
        50.00mV         8.78mA         7.02mA        11.02mA
       100.00mV        17.45mA        13.91mA        21.82mA
       150.00mV        25.90mA        20.63mA        32.40mA
       200.00mV        34.17mA        27.20mA        42.73mA
       250.00mV        42.21mA        33.58mA        52.79mA
       300.00mV        50.14mA        39.87mA        62.70mA
       400.00mV        65.36mA        51.88mA        81.71mA
       500.00mV        79.79mA        63.22mA        99.74mA
       600.00mV        93.42mA        73.88mA       116.75mA
       700.00mV       106.23mA        83.83mA       132.74mA
       750.00mV       112.36mA        88.48mA       140.33mA
       800.00mV       118.23mA        93.07mA       147.61mA
       850.00mV       123.86mA        97.35mA       154.57mA
       900.00mV       129.27mA       101.58mA       161.40mA
         1.00V        139.50mA       109.34mA       174.11mA
         1.05V        144.27mA       112.97mA       179.99mA
         1.10V        148.85mA       116.38mA       185.71mA
         1.15V        153.17mA       119.60mA       191.14mA
         1.20V        157.37mA       122.62mA       196.20mA
         1.25V        161.24mA       125.43mA       200.95mA
         1.30V        164.90mA       128.01mA       205.43mA
         1.35V        168.29mA       130.49mA       209.69mA
         1.40V        171.50mA       132.70mA       213.60mA
         1.45V        174.39mA       134.80mA       217.29mA
         1.50V        177.21mA       136.61mA       220.62mA
         1.55V        179.64mA       138.32mA       223.74mA
         1.60V        182.00mA       139.82mA       226.50mA
         1.65V        183.97mA       141.05mA       229.05mA
         1.70V        185.87mA       142.17mA       231.24mA
         1.75V        187.39mA       142.97mA       233.23mA
         1.80V        188.84mA       143.74mA       234.87mA
         1.85V        189.91mA       144.16mA       236.30mA
         1.90V        190.91mA       144.55mA       237.39mA
         1.95V        191.54mA       144.78mA       238.28mA
         2.00V        192.11mA       145.00mA       238.84mA
         2.05V        192.40mA       145.21mA       239.30mA
         2.20V        193.16mA       145.77mA       240.18mA
         2.25V        193.37mA       145.93mA       240.45mA
         2.50V        194.34mA       146.63mA       241.61mA
         2.55V        194.50mA       146.75mA       241.82mA
         2.60V        194.66mA       146.86mA       242.00mA
         2.85V        195.31mA       147.33mA       242.81mA
         2.95V        195.52mA       147.48mA       243.07mA
         3.25V        196.04mA       147.85mA       243.70mA
         3.35V        196.17mA       147.96mA       243.87mA
         4.05V        196.98mA       148.65mA       244.86mA
         4.15V        197.11mA       148.78mA       245.03mA
         4.45V        197.67mA       149.32mA       245.71mA
         4.50V        197.80mA       149.45mA       245.86mA
         4.55V        197.93mA       149.57mA       246.03mA
         4.65V        198.23mA       149.87mA       246.41mA
         4.75V        198.60mA       150.21mA       246.86mA
         4.85V        199.02mA       150.61mA       247.38mA
         4.95V        199.52mA       151.07mA       248.00mA
         5.10V        200.42mA       151.89mA       249.11mA
         5.15V        200.76mA       152.20mA       249.53mA
         5.20V        201.13mA       152.53mA       249.98mA
         5.25V        201.52mA       152.87mA       250.47mA
         5.35V        202.38mA       153.64mA       251.53mA
         5.40V        202.85mA       154.06mA       252.11mA
         5.45V        203.34mA       154.48mA       252.72mA
         5.55V        204.42mA       155.42mA       254.06mA
         5.60V        205.01mA       155.94mA       254.78mA
         5.70V        206.27mA       157.02mA       256.33mA
         5.75V        206.94mA       157.59mA       257.17mA
         5.90V        209.17mA       159.50mA       259.92mA
         5.95V        209.97mA       160.17mA       260.93mA
         6.05V        211.69mA       161.62mA       263.05mA
         6.10V        212.61mA       162.40mA       264.18mA
         6.25V        215.56mA       164.86mA       267.84mA
         6.40V        218.85mA       167.60mA       271.90mA
         6.45V        220.01mA       168.56mA       273.34mA
         6.60V        223.74mA       171.63mA       277.94mA
|
[GND_clamp]
|
|       Voltage         I(typ)         I(min)         I(max)
|
        -3.30V         -2.04A         -1.83A         -2.33A
        -3.25V         -2.00A         -1.79A         -2.29A
        -3.20V         -1.96A         -1.76A         -2.24A
        -3.15V         -1.92A         -1.72A         -2.19A
        -3.10V         -1.88A         -1.69A         -2.15A
        -3.05V         -1.84A         -1.66A         -2.10A
        -3.00V         -1.80A         -1.62A         -2.05A
        -2.95V         -1.76A         -1.59A         -2.01A
        -2.90V         -1.72A         -1.55A         -1.96A
        -2.80V         -1.65A         -1.48A         -1.87A
        -2.75V         -1.61A         -1.45A         -1.82A
        -2.70V         -1.57A         -1.41A         -1.77A
        -2.65V         -1.53A         -1.38A         -1.73A
        -2.60V         -1.49A         -1.34A         -1.68A
        -2.55V         -1.45A         -1.31A         -1.63A
        -2.50V         -1.41A         -1.28A         -1.59A
        -2.45V         -1.37A         -1.24A         -1.54A
        -2.40V         -1.33A         -1.21A         -1.49A
        -2.35V         -1.29A         -1.17A         -1.45A
        -2.30V         -1.25A         -1.14A         -1.40A
        -2.25V         -1.21A         -1.10A         -1.35A
        -2.20V         -1.17A         -1.07A         -1.31A
        -2.15V         -1.13A         -1.04A         -1.26A
        -2.10V         -1.09A         -1.00A         -1.21A
        -2.05V         -1.05A       -966.85mA        -1.17A
        -2.00V         -1.01A       -932.63mA        -1.12A
        -1.95V       -972.84mA      -898.47mA        -1.07A
        -1.90V       -933.51mA      -864.31mA        -1.03A
        -1.80V       -855.03mA      -796.14mA      -936.04mA
        -1.75V       -815.89mA      -762.14mA      -889.94mA
        -1.70V       -776.75mA      -728.13mA      -843.84mA
        -1.65V       -737.72mA      -694.23mA      -797.88mA
        -1.60V       -698.70mA      -660.33mA      -751.93mA
        -1.55V       -659.83mA      -626.55mA      -706.16mA
        -1.50V       -620.95mA      -592.77mA      -660.39mA
        -1.45V       -582.27mA      -559.14mA      -614.85mA
        -1.40V       -543.58mA      -525.51mA      -569.32mA
        -1.35V       -505.14mA      -492.07mA      -524.10mA
        -1.30V       -466.69mA      -458.64mA      -478.89mA
        -1.25V       -428.58mA      -425.45mA      -434.14mA
        -1.20V       -390.47mA      -392.26mA      -389.38mA
        -1.15V       -352.83mA      -359.41mA      -345.33mA
        -1.10V       -315.19mA      -326.56mA      -301.29mA
        -1.05V       -278.27mA      -294.19mA      -258.46mA
        -1.00V       -241.36mA      -261.82mA      -215.64mA
      -950.00mV      -205.68mA      -230.17mA      -175.35mA
      -900.00mV      -170.00mA      -198.52mA      -135.07mA
      -850.00mV      -136.83mA      -168.10mA      -101.64mA
      -800.00mV      -103.65mA      -137.68mA       -68.21mA
      -750.00mV       -76.63mA      -109.64mA       -50.33mA
      -700.00mV       -49.61mA       -81.61mA       -32.45mA
      -650.00mV       -35.14mA       -59.02mA       -26.64mA
      -600.00mV       -20.68mA       -36.43mA       -20.84mA
      -550.00mV       -16.16mA       -24.65mA       -17.21mA
      -500.00mV       -11.64mA       -12.86mA       -13.58mA
      -450.00mV        -9.53mA        -9.57mA       -11.41mA
      -400.00mV        -7.43mA        -6.27mA        -9.23mA
      -350.00mV        -6.08mA        -4.98mA        -7.62mA
      -300.00mV        -4.73mA        -3.70mA        -6.00mA
      -250.00mV        -3.61mA        -2.81mA        -4.62mA
      -200.00mV        -2.53mA        -1.92mA        -3.24mA
      -150.00mV        -1.63mA        -1.23mA        -2.09mA
      -100.00mV        -1.18mA      -905.10uA        -1.44mA
       -50.00mV      -498.32uA      -358.86uA      -548.92uA
         0.00V          0.00A          0.00A          0.00A
         3.30V          0.00A          0.00A          0.00A
|
[POWER_clamp]
|
|       Voltage         I(typ)         I(min)         I(max)
|
        -3.30V          2.66A          2.26A          3.27A
        -3.25V          2.61A          2.22A          3.20A
        -3.20V          2.55A          2.17A          3.13A
        -3.15V          2.50A          2.13A          3.06A
        -3.10V          2.44A          2.08A          2.99A
        -3.05V          2.39A          2.03A          2.92A
        -3.00V          2.33A          1.99A          2.85A
        -2.95V          2.28A          1.94A          2.78A
        -2.90V          2.22A          1.90A          2.71A
        -2.85V          2.17A          1.85A          2.64A
        -2.80V          2.11A          1.80A          2.57A
        -2.75V          2.06A          1.76A          2.50A
        -2.70V          2.00A          1.71A          2.43A
        -2.65V          1.94A          1.67A          2.37A
        -2.60V          1.89A          1.62A          2.30A
        -2.50V          1.78A          1.53A          2.16A
        -2.45V          1.72A          1.48A          2.09A
        -2.40V          1.67A          1.44A          2.02A
        -2.35V          1.61A          1.39A          1.95A
        -2.30V          1.56A          1.35A          1.88A
        -2.25V          1.50A          1.30A          1.81A
        -2.20V          1.45A          1.26A          1.74A
        -2.15V          1.40A          1.21A          1.68A
        -2.10V          1.34A          1.16A          1.61A
        -2.05V          1.29A          1.12A          1.54A
        -2.00V          1.23A          1.07A          1.47A
        -1.95V          1.18A          1.03A          1.40A
        -1.90V          1.12A        982.79mA         1.33A
        -1.85V          1.07A        937.59mA         1.27A
        -1.80V          1.01A        892.39mA         1.20A
        -1.75V        958.95mA       847.34mA         1.13A
        -1.70V        904.72mA       802.29mA         1.06A
        -1.65V        850.71mA       757.43mA       992.95mA
        -1.60V        796.70mA       712.57mA       925.17mA
        -1.55V        742.98mA       667.94mA       857.75mA
        -1.50V        689.25mA       623.31mA       790.33mA
        -1.45V        635.90mA       578.98mA       723.38mA
        -1.40V        582.56mA       534.66mA       656.44mA
        -1.35V        529.72mA       490.73mA       590.17mA
        -1.30V        476.88mA       446.81mA       523.90mA
        -1.25V        424.79mA       403.45mA       458.67mA
        -1.20V        372.70mA       360.08mA       393.45mA
        -1.15V        321.80mA       317.56mA       330.02mA
        -1.10V        270.90mA       275.04mA       266.58mA
        -1.05V        222.12mA       233.88mA       206.83mA
        -1.00V        173.34mA       192.72mA       147.08mA
      -950.00mV       129.19mA       154.10mA        97.68mA
      -900.00mV        85.05mA       115.48mA        48.28mA
      -850.00mV        53.85mA        82.60mA        28.64mA
      -800.00mV        22.66mA        49.72mA         9.00mA
      -750.00mV        14.26mA        30.87mA         6.96mA
      -700.00mV         5.86mA        12.02mA         4.93mA
      -650.00mV         4.19mA         7.62mA         3.56mA
      -600.00mV         2.53mA         3.22mA