| *************************************************** | | Linear Technology | | IBIS model of LTC4303 | Hot Swappable Two Wire Bus Buffer. | MS8 Package- | Due to IBIS specification limitations, several analog I/O | characteristics of this product's SDA and SCL pins cannot be | modeled by IBIS. This model contains a reasonable approximation | of I/O behavior that should be sufficient for | most PCB designs and SI checks. | Please contact Applications Engineering for any questions | regarding IBIS models and their limitations. | *************************************************** | [IBIS ver] 2.1 [File name] 4303.ibs [File Rev] 1.0 [Date] June, 2005 [Source] Linear Technology | [Disclaimer] (C) Copyright 2005 Linear Technology All rights reserved | | |************************************************************************ | Component LTC4303 |************************************************************************ | [Component] LTC4303 [Manufacturer] Linear Technology [Package] | variable typ min max R_pkg 4.44E-02 4.40E-02 4.49E-02 L_pkg 1.02E-09 1.01E-09 1.03E-09 C_pkg 2.18E-13 2.18E-13 2.18E-13 | [Pin] signal_name model_name 1 ENABLE EN 2 SCLOUT SOUT 3 SCLIN SIN 4 GND GND 5 READY NC 6 SDAIN SIN 7 SDAOUT SOUT 8 VCC POWER | |************************************************************************ | Model SIN |************************************************************************ | [Model] SIN Model_type Input Vinl = 0.80V Vinh = 2.00V C_comp 10.00pF 10.00pF 10.00pF | | [Temperature Range] 25.00 70.00 0.000 [Voltage Range] 3.30V 3.00V 3.60V [GND_clamp] | voltage I(typ) I(min) I(max) | -3.3 -1.00E+01 -8.93E+00 -1.08E+01 -3.2 -9.61E+00 -8.59E+00 -1.04E+01 -3.1 -9.21E+00 -8.25E+00 -9.92E+00 -3.0 -8.82E+00 -7.90E+00 -9.49E+00 -2.9 -8.42E+00 -7.56E+00 -9.06E+00 -2.8 -8.02E+00 -7.22E+00 -8.62E+00 -2.7 -7.63E+00 -6.87E+00 -8.19E+00 -2.6 -7.23E+00 -6.53E+00 -7.76E+00 -2.5 -6.84E+00 -6.19E+00 -7.32E+00 -2.4 -6.44E+00 -5.84E+00 -6.89E+00 -2.3 -6.04E+00 -5.50E+00 -6.46E+00 -2.2 -5.65E+00 -5.16E+00 -6.02E+00 -2.1 -5.25E+00 -4.81E+00 -5.59E+00 -2.0 -4.86E+00 -4.47E+00 -5.16E+00 -1.9 -4.46E+00 -4.13E+00 -4.72E+00 -1.8 -4.07E+00 -3.79E+00 -4.29E+00 -1.7 -3.67E+00 -3.44E+00 -3.86E+00 -1.6 -3.27E+00 -3.10E+00 -3.42E+00 -1.5 -2.88E+00 -2.76E+00 -2.99E+00 -1.4 -2.48E+00 -2.42E+00 -2.56E+00 -1.3 -2.09E+00 -2.07E+00 -2.12E+00 -1.2 -1.69E+00 -1.73E+00 -1.69E+00 -1.1 -1.30E+00 -1.39E+00 -1.26E+00 -1.0 -9.04E-01 -1.05E+00 -8.22E-01 -0.9 -5.10E-01 -7.04E-01 -3.90E-01 -0.8 -1.16E-01 -3.62E-01 -3.59E-02 -0.7 -4.65E-03 -4.72E-02 -9.34E-03 -0.6 -6.06E-04 -2.52E-03 -4.21E-03 -0.5 -7.35E-05 -1.39E-04 -1.11E-03 -0.4 -7.78E-06 -5.54E-06 -1.14E-04 -0.3 -1.24E-06 -2.59E-07 -9.47E-06 -0.2 -1.41E-07 -1.39E-08 -2.17E-06 -0.1 -5.94E-09 -6.78E-10 -2.63E-07 6.1 7.60E-11 9.91E-11 7.74E-11 | | End [Model] SIN | |************************************************************************ | Model EN |************************************************************************ | [Model] EN Model_type Input Enable Active-High Vinl = 0.80V Vinh = 2.00V C_comp 5.00pF 5.00pF 5.00pF | | [Temperature Range] 25.00 70.00 0.000 [Voltage Range] 3.30V 3.00V 3.60V [GND_clamp] | voltage I(typ) I(min) I(max) | -3.3 -1.00E+01 -8.02E+00 -1.07E+01 -3.2 -9.61E+00 -7.73E+00 -1.03E+01 -3.1 -9.22E+00 -7.43E+00 -9.88E+00 -3 -8.82E+00 -7.14E+00 -9.45E+00 -2.9 -8.43E+00 -6.84E+00 -9.02E+00 -2.8 -8.04E+00 -6.55E+00 -8.59E+00 -2.7 -7.64E+00 -6.25E+00 -8.16E+00 -2.6 -7.25E+00 -5.96E+00 -7.73E+00 -2.5 -6.85E+00 -5.66E+00 -7.30E+00 -2.4 -6.46E+00 -5.37E+00 -6.87E+00 -2.3 -6.07E+00 -5.07E+00 -6.44E+00 -2.2 -5.67E+00 -4.78E+00 -6.01E+00 -2.1 -5.28E+00 -4.48E+00 -5.58E+00 -2 -4.89E+00 -4.19E+00 -5.15E+00 -1.9 -4.49E+00 -3.89E+00 -4.72E+00 -1.8 -4.10E+00 -3.60E+00 -4.29E+00 -1.7 -3.71E+00 -3.31E+00 -3.86E+00 -1.6 -3.31E+00 -3.01E+00 -3.43E+00 -1.5 -2.92E+00 -2.72E+00 -3.00E+00 -1.4 -2.53E+00 -2.42E+00 -2.57E+00 -1.3 -2.13E+00 -2.13E+00 -2.15E+00 -1.2 -1.74E+00 -1.83E+00 -1.72E+00 -1.1 -1.35E+00 -1.54E+00 -1.29E+00 -1 -9.56E-01 -1.24E+00 -8.60E-01 -0.9 -5.64E-01 -9.50E-01 -4.33E-01 -0.8 -1.72E-01 -6.56E-01 -4.05E-02 -0.7 -5.67E-03 -3.63E-01 -1.63E-03 -0.6 -5.07E-04 -7.43E-02 -2.46E-04 -0.5 -6.99E-05 -5.06E-03 -3.77E-05 -0.4 -1.19E-05 -5.11E-04 -7.65E-06 -0.3 -2.05E-06 -4.85E-05 -1.25E-06 -0.2 -1.74E-07 -4.53E-06 -7.79E-08 -0.1 -7.70E-09 -3.83E-07 -2.42E-09 0 -3.31E-12 -5.49E-10 -3.13E-12 0.1 2.13E-10 2.75E-08 4.35E-11 0.2 2.25E-10 2.88E-08 4.65E-11 0.3 2.29E-10 2.91E-08 4.80E-11 0.4 2.32E-10 2.92E-08 4.92E-11 0.5 2.34E-10 2.94E-08 5.03E-11 0.6 2.36E-10 2.95E-08 5.13E-11 0.7 2.38E-10 2.96E-08 5.24E-11 0.8 2.40E-10 2.97E-08 5.33E-11 0.9 2.42E-10 2.98E-08 5.43E-11 1 2.44E-10 2.99E-08 5.53E-11 1.1 2.46E-10 3.00E-08 5.63E-11 1.2 2.47E-10 3.01E-08 5.72E-11 1.3 2.49E-10 3.02E-08 5.82E-11 1.4 2.51E-10 3.02E-08 5.91E-11 1.5 2.52E-10 3.03E-08 6.01E-11 1.6 2.54E-10 3.04E-08 6.10E-11 1.7 2.55E-10 3.04E-08 6.19E-11 1.8 2.57E-10 3.05E-08 6.28E-11 1.9 2.59E-10 3.06E-08 6.38E-11 2 2.60E-10 3.06E-08 6.47E-11 2.1 2.62E-10 3.07E-08 6.56E-11 2.2 2.63E-10 3.07E-08 6.65E-11 2.3 2.65E-10 3.08E-08 6.75E-11 2.4 2.66E-10 3.08E-08 6.84E-11 2.5 2.68E-10 3.09E-08 6.93E-11 2.6 2.69E-10 3.09E-08 7.02E-11 2.7 2.71E-10 3.10E-08 7.11E-11 2.8 2.72E-10 3.10E-08 7.21E-11 2.9 2.74E-10 3.10E-08 7.30E-11 3 2.75E-10 3.11E-08 7.39E-11 3.1 2.77E-10 3.11E-08 7.48E-11 3.2 2.78E-10 3.12E-08 7.57E-11 3.3 2.80E-10 3.17E-08 7.65E-11 3.4 2.81E-10 3.53E-08 7.74E-11 3.5 2.83E-10 3.82E-08 7.83E-11 3.6 2.84E-10 3.85E-08 7.92E-11 3.7 2.86E-10 3.86E-08 8.01E-11 3.8 2.88E-10 3.86E-08 8.10E-11 3.9 2.89E-10 3.86E-08 8.19E-11 4 2.91E-10 3.87E-08 8.28E-11 4.1 2.92E-10 3.87E-08 8.38E-11 4.2 2.94E-10 3.87E-08 8.47E-11 4.3 2.96E-10 3.88E-08 8.56E-11 4.4 2.97E-10 3.88E-08 8.66E-11 4.5 2.99E-10 3.88E-08 8.76E-11 4.6 3.01E-10 3.89E-08 8.86E-11 4.7 3.03E-10 3.89E-08 8.96E-11 4.8 3.05E-10 3.90E-08 9.06E-11 4.9 3.07E-10 3.91E-08 9.16E-11 5 3.09E-10 3.91E-08 9.27E-11 5.1 3.11E-10 3.92E-08 9.38E-11 5.2 3.14E-10 3.93E-08 9.49E-11 5.3 3.16E-10 3.94E-08 9.61E-11 5.4 3.19E-10 3.95E-08 9.73E-11 5.5 3.22E-10 3.96E-08 9.85E-11 5.6 3.25E-10 3.98E-08 9.98E-11 5.7 3.28E-10 3.99E-08 1.01E-10 5.8 3.32E-10 4.01E-08 1.03E-10 5.9 3.36E-10 4.03E-08 1.04E-10 6 3.40E-10 4.05E-08 1.06E-10 6.1 3.45E-10 4.08E-08 1.07E-10 6.2 3.50E-10 4.11E-08 1.09E-10 6.3 3.55E-10 4.14E-08 1.11E-10 6.4 3.61E-10 4.17E-08 1.12E-10 6.5 3.67E-10 4.20E-08 1.14E-10 6.6 3.73E-10 4.24E-08 1.17E-10 | | End [Model] EN | |************************************************************************ | Model SOUT |************************************************************************ | [Model] SOUT Model_type Open_drain Polarity Non-Inverting Vmeas = 1.6V Rref = 10k Vref = 3.3V Cref = 0.1pF C_comp 10.00pF 10.00pF 10.00pF | | [Temperature Range] 25.00 70.00 0.000 [Voltage Range] 3.30V 3.00V 3.60V [Pulldown] | voltage I(typ) I(min) I(max) | -3.3 0.00E+00 0.00E+00 0.00E+00 0.0 2.37E-11 4.54E-12 4.30E-12 0.1 1.99E-05 2.20E-05 2.03E-05 0.2 3.39E-03 3.01E-03 3.77E-03 0.3 7.38E-03 5.90E-03 8.46E-03 0.4 1.04E-02 8.33E-03 1.23E-02 0.5 1.34E-02 1.06E-02 1.56E-02 0.6 1.63E-02 1.27E-02 1.89E-02 0.7 1.93E-02 1.48E-02 2.22E-02 0.8 2.23E-02 1.68E-02 2.55E-02 0.9 2.52E-02 1.87E-02 2.87E-02 1.0 2.82E-02 2.07E-02 3.20E-02 1.1 3.11E-02 2.25E-02 3.53E-02 1.2 3.41E-02 2.43E-02 3.86E-02 1.3 3.71E-02 2.61E-02 4.19E-02 1.4 4.00E-02 2.78E-02 4.52E-02 1.5 4.30E-02 2.94E-02 4.85E-02 1.6 4.59E-02 3.10E-02 5.18E-02 1.7 4.88E-02 3.25E-02 5.50E-02 1.8 5.16E-02 3.39E-02 5.83E-02 1.9 5.43E-02 3.52E-02 6.16E-02 2.0 5.71E-02 3.64E-02 6.49E-02 2.1 5.98E-02 3.75E-02 6.82E-02 2.2 6.25E-02 3.85E-02 7.15E-02 2.3 6.51E-02 3.93E-02 7.48E-02 2.4 6.78E-02 4.00E-02 7.81E-02 2.5 7.04E-02 4.06E-02 8.14E-02 2.6 7.30E-02 4.11E-02 8.47E-02 2.7 7.56E-02 4.15E-02 8.80E-02 2.8 7.82E-02 4.19E-02 9.14E-02 2.9 8.07E-02 4.23E-02 9.47E-02 3.0 8.33E-02 4.26E-02 9.81E-02 3.1 8.57E-02 4.29E-02 1.01E-01 3.2 8.82E-02 4.31E-02 1.05E-01 3.3 9.06E-02 4.34E-02 1.08E-01 3.4 9.29E-02 4.36E-02 1.11E-01 3.5 9.52E-02 4.39E-02 1.14E-01 3.6 9.75E-02 4.41E-02 1.18E-01 3.7 9.96E-02 4.43E-02 1.21E-01 3.8 1.02E-01 4.45E-02 1.24E-01 3.9 1.04E-01 4.47E-02 1.27E-01 4.0 1.06E-01 4.48E-02 1.31E-01 4.1 1.07E-01 4.50E-02 1.34E-01 4.2 1.09E-01 4.52E-02 1.37E-01 4.3 1.10E-01 4.54E-02 1.40E-01 4.4 1.12E-01 4.55E-02 1.43E-01 4.5 1.13E-01 4.57E-02 1.46E-01 4.6 1.14E-01 4.58E-02 1.49E-01 4.7 1.15E-01 4.60E-02 1.52E-01 4.8 1.16E-01 4.61E-02 1.55E-01 4.9 1.17E-01 4.63E-02 1.58E-01 5.0 1.18E-01 4.64E-02 1.61E-01 5.1 1.18E-01 4.66E-02 1.64E-01 5.2 1.19E-01 4.67E-02 1.67E-01 5.3 1.19E-01 4.69E-02 1.70E-01 5.4 1.20E-01 4.70E-02 1.73E-01 5.5 1.21E-01 4.71E-02 1.75E-01 5.6 1.21E-01 4.73E-02 1.78E-01 5.7 1.22E-01 4.74E-02 1.81E-01 5.8 1.22E-01 4.75E-02 1.83E-01 5.9 1.22E-01 4.77E-02 1.86E-01 6.0 1.23E-01 4.78E-02 1.89E-01 6.1 1.23E-01 4.79E-02 1.91E-01 | | [GND_clamp] | voltage I(typ) I(min) I(max) | -3.3 -1.00E+01 -8.93E+00 -1.08E+01 -3.2 -9.61E+00 -8.59E+00 -1.04E+01 -3.1 -9.21E+00 -8.25E+00 -9.92E+00 -3.0 -8.82E+00 -7.90E+00 -9.49E+00 -2.9 -8.42E+00 -7.56E+00 -9.06E+00 -2.8 -8.02E+00 -7.22E+00 -8.62E+00 -2.7 -7.63E+00 -6.87E+00 -8.19E+00 -2.6 -7.23E+00 -6.53E+00 -7.76E+00 -2.5 -6.84E+00 -6.19E+00 -7.32E+00 -2.4 -6.44E+00 -5.84E+00 -6.89E+00 -2.3 -6.04E+00 -5.50E+00 -6.46E+00 -2.2 -5.65E+00 -5.16E+00 -6.02E+00 -2.1 -5.25E+00 -4.81E+00 -5.59E+00 -2.0 -4.86E+00 -4.47E+00 -5.16E+00 -1.9 -4.46E+00 -4.13E+00 -4.72E+00 -1.8 -4.07E+00 -3.79E+00 -4.29E+00 -1.7 -3.67E+00 -3.44E+00 -3.86E+00 -1.6 -3.27E+00 -3.10E+00 -3.42E+00 -1.5 -2.88E+00 -2.76E+00 -2.99E+00 -1.4 -2.48E+00 -2.42E+00 -2.56E+00 -1.3 -2.09E+00 -2.07E+00 -2.12E+00 -1.2 -1.69E+00 -1.73E+00 -1.69E+00 -1.1 -1.30E+00 -1.39E+00 -1.26E+00 -1.0 -9.04E-01 -1.05E+00 -8.22E-01 -0.9 -5.10E-01 -7.04E-01 -3.90E-01 -0.8 -1.16E-01 -3.62E-01 -3.59E-02 -0.7 -4.65E-03 -4.72E-02 -9.34E-03 -0.6 -6.06E-04 -2.52E-03 -4.21E-03 -0.5 -7.35E-05 -1.39E-04 -1.11E-03 -0.4 -7.78E-06 -5.54E-06 -1.14E-04 -0.3 -1.24E-06 -2.59E-07 -9.47E-06 -0.2 -1.41E-07 -1.39E-08 -2.17E-06 -0.1 -5.94E-09 -6.78E-10 -2.63E-07 0.0 -3.45E-12 -1.30E-11 -9.46E-10 6.1 7.60E-11 9.91E-11 7.74E-11 | | [Ramp] | variable typ min max dV/dt_r 1.900/60n 1.719/95n 2.082/55n dV/dt_f 1.900/45n 1.719/70n 2.082/40n R_load = 10k | [Rising Waveform] R_fixture = 10.0k V_fixture_min = 3.0 V_fixture = 3.3 V_fixture_max= 3.6 |time V(typ) V(min) V(max) | 0ns 0.132 0.135 0.128 20ns 0.132 0.135 0.128 40ns 0.132 0.135 0.128 60ns 0.132 0.135 0.128 80ns 0.132 0.135 0.128 100ns 0.132 0.135 0.128 120ns 0.132 0.135 0.128 140ns 0.132 0.135 0.128 160ns 0.132 0.135 0.128 180ns 0.132 0.135 0.128 200ns 0.132 0.135 0.128 220ns 0.132 0.135 0.128 240ns 0.132 0.135 0.128 260ns 0.146 0.135 0.155 280ns 0.241 0.234 0.247 300ns 0.310 0.333 0.305 320ns 0.361 0.394 0.359 340ns 0.419 0.431 0.416 360ns 0.479 0.471 0.473 380ns 0.536 0.512 0.530 400ns 0.594 0.558 0.587 420ns 0.651 0.607 0.643 440ns 0.754 0.651 1.058 460ns 1.456 0.693 1.821 480ns 2.028 0.778 2.522 500ns 2.619 1.337 3.104 520ns 2.900 1.839 3.282 540ns 3.032 2.205 3.399 560ns 3.121 2.516 3.475 580ns 3.183 2.690 3.524 600ns 3.225 2.789 3.555 620ns 3.249 2.858 3.575 640ns 3.270 2.903 3.588 660ns 3.279 2.938 3.595 680ns 3.289 2.959 3.601 700ns 3.296 2.974 3.604 720ns 3.299 2.981 3.605 740ns 3.303 2.989 3.605 760ns 3.304 2.994 3.605 780ns 3.305 2.996 3.606 800ns 3.306 2.999 3.604 820ns 3.306 3.001 3.603 840ns 3.307 3.004 3.602 860ns 3.307 3.004 3.601 880ns 3.307 3.004 3.601 900ns 3.306 3.003 3.601 920ns 3.305 3.003 3.600 940ns 3.305 3.003 3.600 960ns 3.304 3.003 3.600 980ns 3.303 3.002 3.600 1000ns 3.302 3.002 3.600 1020ns 3.302 3.002 3.600 1040ns 3.301 3.002 3.600 | [Falling Waveform] R_fixture = 10.0k V_fixture_min = 3.0 V_fixture = 3.3 V_fixture_max= 3.6 | time V(typ) V(min) V(max) | 0ns 3.300 3.000 3.600 20ns 3.300 3.000 3.600 40ns 3.300 3.000 3.600 60ns 3.300 3.000 3.600 80ns 3.300 3.000 3.600 100ns 3.300 3.000 3.600 120ns 3.300 3.000 3.600 140ns 3.300 3.000 3.600 160ns 3.300 3.000 3.600 180ns 3.300 3.000 3.600 200ns 3.300 3.000 3.600 220ns 3.300 3.000 3.600 240ns 3.300 3.000 3.600 260ns 3.300 3.000 3.600 280ns 3.300 3.000 3.600 300ns 3.288 2.992 3.578 320ns 3.328 2.996 2.699 340ns 1.493 3.036 1.313 360ns 1.017 2.715 0.457 380ns 0.506 1.409 0.118 400ns 0.161 0.984 0.046 420ns 0.084 0.767 0.041 440ns 0.068 0.566 0.051 460ns 0.069 0.376 0.068 480ns 0.076 0.225 0.089 500ns 0.088 0.140 0.105 520ns 0.100 0.109 0.113 540ns 0.108 0.101 0.120 560ns 0.116 0.099 0.128 580ns 0.124 0.101 0.133 600ns 0.132 0.104 0.133 620ns 0.136 0.108 0.133 640ns 0.136 0.113 0.133 660ns 0.136 0.117 0.133 680ns 0.136 0.120 0.133 | | End [Model] SOUT | | End [Component] LTC4303 | [End]