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SM5050A Scheda tecnica(PDF) 5 Page - Nippon Precision Circuits Inc |
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SM5050A Scheda tecnica(HTML) 5 Page - Nippon Precision Circuits Inc |
5 / 8 page SM5050A NIPPON PRECISION CIRCUITS—5 Switching Characteristics VDD = 2.7 to 3.6V, VSS = 0V, Ta = −20 to 80°C unless otherwise noted NPC STANDARD CRYSTAL DATA P arameter Symbol Condition Rating Unit min typ m a x Output rise time tr 0.2VDD → 0.8VDD, measurement circuit 1, load circuit 1, CL = 15pF – 1 2.5 ns Output fall time tf 0.8VDD → 0.2VDD, measurement circuit 1, load circuit 1, CL = 15pF – 1 2.5 ns Output duty cycle Duty V DD = 3V, Ta = 25°C , measurement circuit 1, load circuit 1, CL = 15pF, f ≤ 166.6MHz 4 0–6 0 % Output disable delay time1 1. Time from when INHN goes LOW until Q output goes high impedance. tPLZ V DD = 3V, Ta = 25°C , measurement circuit 1, load circuit 1, CL = 15pF – – 100 ns Star tup time2,3 2. Time from when either INHN goes LOW to HIGH or supply voltage V DD = 3.0V until normal signal output. tSZL V DD = 3V, Ta = 25°C , measurement circuit 1, load circuit 1, CL = 15pF –1– m s Oscillator frequency f Measurement circuit 1 2 0 – 4 0 M H z Output frequency fOUT Measurement circuit 1 V DD = 2.7V 1 0 0 – 1 2 5 MHz V DD = 3.0V 1 0 0 – 166.6 Output clock jitter3 3. Measured values using NPC characteristics standard evaluation board and standard cr ystal. Jitter V DD = 3V, Ta = 25°C , 25MHz crystal, P0 = HIGH, P1 = LOW , measurement circuit 1, load circuit 1,CL = 15pF, peak-to-peak – 100 – ps f (MHz) R ( Ω) L (mH) Ca (fF) Cb (pF) 25 4.368 1.885 21.52 4.793 27 7.421 2.402 14.48 4.097 L Ca R Cb |
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