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ICS950810 数据表(PDF) 7 Page - Integrated Circuit Systems |
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ICS950810 数据表(HTML) 7 Page - Integrated Circuit Systems |
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7 / 19 page ![]() 7 ICS950810 0472F—01/12/04 Electrical Characteristics - CPU (0.7V Select) TA = 0 - 70°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 3000 Ω Voltage High VHigh 660 810 850 Voltage Low VLow -150 20 150 Max Voltage Vovs 850 1150 Min Voltage Vuds -450 -15 Crossing Voltage (abs) Vcross(abs) 250 380 550 mV Crossing Voltage (var) d-Vcross Variation of crossing over all edges 22 140 mV Rise Time tr VOL = 0.175V, VOH = 0.525V 175 290 700 ps Fall Time tf VOH = 0.525V VOL = 0.175V 175 310 700 ps Rise Time Variation d-tr 10 125 ps Fall Time Variation d-tf 10 125 ps Duty Cycle dt3 Measurement from differential wavefrom 45 51 55 % Skew tsk3 VT = 50% 16 100 ps Jitter, Cycle to cycle tjcyc-cyc 1 VT = 50% 48 150 ps 1Guaranteed by design, not 100% tested in production. 2 I OWT can be varied and is selectable thru the MULTSEL pin. Statistical measurement on single ended signal using mV Measurement on single ended signal using absolute value. mV Electrical Characteristics - PCICLK TA = 0 - 70°C; VDD=3.3V +/-5%; CL = 10-30 pF (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Impedance RDSP1 1 VO = VDD*(0.5) 12 33 55 W Output High Voltage VOH 1 IOH = -1 mA 2.4 3.28 V Output Low Voltage VOL 1 IOL = 1 mA 0.08 0.55 V V OH@MIN = 1.0 V -33 -110 V OH@MAX = 3.135 V -20 -33 mA VOL @MIN = 1.95 V 30 110 VOL @MAX = 0.4 V 37 38 mA Rise Time tr1 1 VOL = 0.4 V, VOH = 2.4 V 0.5 1.28 2 ns Fall Time tf1 1 VOH = 2.4 V, VOL = 0.4 V 0.5 1.37 2 ns Duty Cycle dt1 1 VT = 1.5 V 45 51.1 55 % Skew tsk1 1 VT = 1.5 V 127 500 ps Jitter,cycle to cyc tjcyc-cyc 1 VT = 1.5 V 164 250 ps 1Guaranteed by design, not 100% tested in production. Output High Current IOH 1 Output Low Current IOL 1 |
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