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MC145170-2 Datasheet(PDF) 7 Page - Freescale Semiconductor, Inc |
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MC145170-2 Datasheet(HTML) 7 Page - Freescale Semiconductor, Inc |
7 / 32 page Electrical Characteristics MC145170-2 Technical Data, Rev. 5 Freescale Semiconductor 7 Figure 8. Test Circuit, fin Table 6. Loop Specifications (TA = -40 to 85°C) Parameter Test Condition Symbol Figure No. VDD V Guaranteed Range Unit Min Max Input Frequency, fin [Note] Vin ≥ 500 mVpp Sine Wave, N Counter Set to Divide Ratio Such that fV ≤ 2.0 MHz f 8 2.7 3.0 4.5 5.5 5.0 5.0 25 45 80 100 185 185 MHz Input Frequency, OSCin Externally Driven with ac-coupled Signal Vin ≥ 1.0 Vpp Sine Wave, OSCout = No Connect, R Counter Set to Divide Ratio Such that fR ≤ 2 MHz f 9 2.7 3.0 4.5 5.5 1.0* 1.0* 1.0* 1.0* 22 25 30 35 MHz Crystal Frequency, OSCin and OSCout C1 ≤ 30 pF C2 ≤ 30 pF Includes Stray Capacitance fXTAL 11 2.7 3.0 4.5 5.5 2.0 2.0 2.0 2.0 12 12 15 15 MHz Output Frequency, REFout CL = 30 pF fout 12, 14 2.7 4.5 5.5 dc dc dc - 10 10 MHz Operating Frequency of the Phase Detectors f 2.7 4.5 5.5 dc dc dc - 2.0 2.0 MHz Output Pulse Width, φ R, φV, and LD fR in Phase with fV CL = 50 pF tw 13, 14 2.7 4.5 5.5 - 20 16 - 100 90 ns Output Transition Times, φ R, φV, LD, fR, and fV CL = 50 pF tTLH, tTHL 13, 14 2.7 4.5 5.5 - - - - 65 60 ns Input Capacitance fin OSCin Cin - - - - - - 7.0 7.0 pF * If lower frequency is desired, use wave shaping or higher amplitude sinusoidal signal in ac-coupled case. Also, see Figure 25 on page 22 for dc coupling. Sine Wave Generator 100 pF MC145170-2 Test Point V+ V DD f in f V V in 50 Ω* V SS *Characteristic impedance |
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