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SM8701BM Fiches technique(PDF) 6 Page - Nippon Precision Circuits Inc |
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SM8701BM Fiches technique(HTML) 6 Page - Nippon Precision Circuits Inc |
6 / 14 page SM8701BM NIPPON PRECISION CIRCUITS—6 PLL AC Electrical Characteristics External clock, Ta = −40 to 85 °C, VDD = VDDP = 4.5 to 5.5 V, VDDO = VDD3 = 2.7 to 3.6 V unless otherwise stated P arameter Symbol Condition Rating Unit min typ m a x XTI external input clock frequency fM DUTY: 50 ± 5% – 27.0000 – M H z Output clock rise time tR All outputs, 0.2 to 0.8VDDO or V DD3, CL = 20 pF – 2.5 – ns Output clock fall time tF All outputs, 0.8 to 0.2VDDO or V DD3, CL = 20 pF – 2.5 – ns M O , MON output clock jitter1 1. 1.4V to 1.4V. Ta=20 °C.The characteristics of output clock jitter and output clock duty depends on crystal oscillator. NPC’s standard crystal oscillator: R = 10.5 Ω, L = 5.38 mH, Ca = 6.74 fF, Cb = 1.85 pF measurement apparatus: HP4195 Load capacitance: C1 = 7 p F, C2 = 11 p F JITTER Standard tolerance Cr ystal oscillator element – 150 – ps SO1, SO2 (Standard), SO3, SO4 output clock jitter1 – 150 – ps SO2 (Double) output clock jitter1 – 450 – ps M O , MON output clock duty1 DUTY Cr ystal oscillator element, C L = 20 pF 45 50 55 % SO1, SO2 (Standard), SO3, SO4 output clock duty1 C L = 20 pF 40 50 60 % SO2 (Double) output clock duty1 C L = 20 pF 23.3 33.3 43.3 % Settling time tS All outputs – – 4 0 m s P ow er-up time2 2. Time from OFF condition to stable frequency output. tP All outputs – – 5 0 m s RSTN external reset LOW -level pulsewidth tRSTL 1.4 V to 1.4 V 1 0 0 – – ns L Ca R Cb |
Numéro de pièce similaire - SM8701BM |
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Description similaire - SM8701BM |
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