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ICS950812 数据表(PDF) 13 Page - Integrated Circuit Systems |
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ICS950812 数据表(HTML) 13 Page - Integrated Circuit Systems |
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13 / 29 page  13 ICS950812 0542G—08/21/03 Electrical Characteristics - CPU (1V Select) 100MHz TA = 0 - 90°C; VDD=3.3V +/-5%; CL = 10-20 pF (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Current Source Output Impedance Zo 1 VO = Vx 2500 Ω Average Period TPERIOD Fig. 5 10.00 10.01 10.20 ns Output High Voltage VOH3 0.92 1.45 Output Low Voltage VOL3 -0.2 0.35 Rise Time tr3 VOL = 0.41V, VOH = 0.86V (Fig. 6) 175 390 540 ps Fall Time tf3 VOH = 0.86V VOL = 0.41V (Fig.6) 175 305 540 ps Duty Cycle dt3 Fig. 5 45 51 55 % Skew tsk3 VT = 50% 10 100 ps Jitter, Cycle to cycle tjcyc-cyc 1 VT = 50% 40 175 ps 1Guaranteed by design, not 100% tested in production. 2 I OWT can be varied and is selectable thru the MULTSEL pin. V Measured from Single Ended Waveform Electrical Characteristics - CPU (0.7V Select) 100MHz TA = 0 - 90°C; VDD=3.3V +/-5%; (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Current Source Output Impedance Zo 1 VO = Vx 3000 Ω Average Period TPERIOD Fig. 1 10.00 10.01 10.20 ns Voltage HighVHigh 660 720 850 Voltage Low VLow -150 15 150 Max Voltage Vovs 750 1150 Min Voltage Vuds -450 -2 Crossing Voltage (abs) Vcross(abs) Fig. 3 250 319 550 mV Crossing Voltage (var) d-Vcross Variation of crossing over all edges (Fig. 4) 12 140 mV Rise Time tr VOL = 0.175V, VOH = 0.525V (Fig. 3) 175 310 810 ps Fall Time tf VOH = 0.525V VOL = 0.175V (Fig. 3) 175 300 810 ps Rise Time Variation d-tr 10 125 ps Fall Time Variation d-tf 10 125 ps Duty Cycle dt3 Measurement from differential wavefrom (Fig 1) 45 51 55 % Skew tsk3 VT = 50% 16 100 ps Jitter, Cycle to cycle tjcyc-cyc 1 VT = 50% (Fig. 1) 48 175 ps 1Guaranteed by design, not 100% tested in production. 2 I OWT can be varied and is selectable thru the MULTSEL pin. mV Statistical measurement on single ended signal using oscilloscope math function. Measurement on single ended signal using absolute value. mV |
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