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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ICS953002 데이터시트(PDF) 30 Page - Integrated Circuit Systems |
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ICS953002 데이터시트(HTML) 30 Page - Integrated Circuit Systems |
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30 / 35 page  30 Integrated Circuit Systems, Inc. ICS953002 0924—11/18/09 Electrical Characteristics - CPUCLKT/C -- 0.7V Current Mode Differential Pair PARAMETER SYMBOL CONDITIONS* MIN TYP MAX UNITS NOTES Current Source Output Impedance Zo VO = Vx 3000 Ω 1 Voltage High VHigh 660 850 mV 1,3 Voltage Low VLow -150 150 mV 1,3 Max Voltage Vovs 1150 mV 1 Min Voltage Vuds -300 mV 1 Crossing Voltage (abs) Vx(abs) 250 550 mV 1 Crossing Voltage (var) d-Vx Variation of crossing over all edges 140 mV 1 Long Accuracy ppm see Tperiod min-max values -300 300 ppm 1,2 400MHz nominal 2.4993 2.5008 ns 2 400MHz spread 2.4993 2.5133 ns 2 333.33MHz nominal 2.9991 3.0009 ns 2 333.33MHz spread 2.9991 3.016 ns 2 266.66MHz nominal 3.7489 3.7511 ns 2 266.66MHz spread 3.7489 3.77 ns 2 200MHz nominal 4.9985 5.0015 ns 2 200MHz spread 4.9985 5.0266 ns 2 166.66MHz nominal 5.9982 6.0018 ns 2 166.66MHz spread 5.9982 6.0320 ns 2 133.33MHz nominal 7.4978 7.5023 ns 2 133.33MHz spread 7.4978 7.5400 ns 2 100.00MHz nominal 9.9970 10.0030 ns 2 100.00MHz spread 9.9970 10.0533 ns 2 400MHz nominal/spread 2.4143 ns 1,2 333.33MHz nominal/spread 2.9141 ns 1,2 266.66MHz nominal/spread 3.6639 ns 1,2 200MHz nominal/spread 4.8735 ns 1,2 166.66MHz nominal/spread 5.8732 ns 1,2 133.33MHz nominal/spread 7.3728 ns 1,2 100.00MHz nominal/spread 9.8720 ns 1,2 Rise Time tr VOL = 0.175V, VOH = 0.525V 175 700 ps 1 Fall Time tf VOH = 0.525V VOL = 0.175V 175 700 ps 1 Rise Time Variation d-tr VOL = 0.175V, VOH = 0.525V 125 ps 1 Fall Time Variation d-tf VOH = 0.525V VOL = 0.175V 125 ps 1 Duty Cycle dt3 Measurement from differential wavefrom 45 55 % 1 Skew tsk3 CPU(1:0), VT = 50% 100 ps 1 Skew tsk4 CPU(1:0) to CPU2_ITP, VT = 50% 150 ps 1 Jitter, Cycle to cycle tjcyc-cyc Measurement from differential wavefrom (CPU2_ITP) 125 ps 1 Jitter, Cycle to cycle tjcyc-cyc Measurement from differential wavefrom, (CPU(1:0)) 85 ps 1 *TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL =2pF, RS=33.2 Ω, R P=49.9 Ω, Ι REF = 475Ω 1Guaranteed by design and characterization, not 100% tested in production. 2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 3I REF = VDD/(3xRR). For RR = 475 Ω (1%), I REF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50 Ω. Statistical measurement on single ended signal Measurement on single ended signal using absolute value. Average period Tperiod Absolute min period Tabsmin |
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