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SM5002LCS Scheda tecnica(PDF) 6 Page - Nippon Precision Circuits Inc |
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SM5002LCS Scheda tecnica(HTML) 6 Page - Nippon Precision Circuits Inc |
6 / 9 page SM5002L series NIPPON PRECISION CIRCUITS—6 Switching Characteristics VSS = 0 V, Ta = −20 to 80 °C unless otherwise noted. Current consumption and Output waveform with NPC’s standard crystal FUNCTIONAL DESCRIPTION Standby Function The oscillator stops when INH goes LOW. When the oscillator stops, the oscillator output on Q goes high impedance. Parameter Symbol Conditions Limits Units min typ max Output rise time tr1 Measurement cct 3, load cct 1, 0.1VDD → 0.9VDD VDD = 2.7 to 3.6 V, CL = 15 pF –24 ns tr2 VDD = 3.0 to 3.6 V, CL = 30 pF – 2.5 5 ns Output fall time tf1 Measurement cct 3, load cct 1, 0.9VDD → 0.1VDD VDD = 2.7 to 3.6 V, CL = 15 pF –24 ns tf2 VDD = 3.0 to 3.6 V, CL = 30 pF – 2.5 5 ns Output duty cycle1 1. Monitored in sample lots. DUTY Measurement cct 3, load cct 1, Ta = 25 °C, VDD = 3.0 V SM5002LAS, SM5002LFS CF5002LA, CF5002LF CL = 30 pF, f = 30 MHz 45–55 % SM5002LBS, CF5002LB CL = 30 pF, f = 50 MHz 45–55 % SM5002LCS, CF5002LC CL = 30 pF, f = 70 MHz 45–55 % SM5002LDS, SM5002LES CL = 15 pF, f = 100 MHz 40–60 % CF5002LD, CF5002LE CL = 15 pF, f = 100 MHz 45–55 % Output disable delay time2 2. Oscillator stop function is built-in. When INH goes LOW, normal output stops. When INH goes HIGH, normal output is not resumed until after the oscillator start-up time has elapsed. tPLZ Measurement cct 6, Ta = 25 °C, VDD = 2.7 V, load CL ≤ 15 pF – – 100 ns Output enable delay time2 tPZL – – 100 ns INH Q Oscillator HIGH (or open) fO output frequency Normal operation LOW High impedance Stopped f (MHz) R ( Ω) L (mH) Ca (fF) Cb (pF) 30 18.62 16.24 1.733 5.337 50 22.17 7.40 1.370 4.105 70 25.42 4.18 1.254 5.170 100 16.60 3.56 0.726 5.394 L Ca R Cb |
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