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932SQ426AKLF Datasheet(PDF) 14 Page - Integrated Device Technology |
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932SQ426AKLF Datasheet(HTML) 14 Page - Integrated Device Technology |
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14 / 25 page  932SQ426 CK420BQ DERIVATIVE SUPPORTING SRNS PCIE CLOCKING IDT® CK420BQ DERIVATIVE SUPPORTING SRNS PCIE CLOCKING 14 932SQ426 REV C 022916 Electrical Characteristics - REF Clock AC Tolerances Clock Periods – Outputs without Spread Spectrum TA = 0 - 70°C; Supply Voltage VDD/VDDA = 3.3 V +/-5%, PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Notes Output Impedance RDSP VO = VDD*(0.5) 12 55 Ω 1 Output High Voltage VOH IOH = -1 mA 2.4 V Output Low Voltage VOL IOL = 1 mA 0.55 V Clock High Time THIGH 1.5V 27.5 ns 1 Clock Low Time TLOW 1.5V 27.5 ns 1 Edge Rate tslewr/f Rising/Falling edge rate 1 1.5 4 V/ns 1,2 Duty Cycle dt1 VT = 1.5 V 45 50.5 55 % 1 Jitter, Cycle to cycle tjcyc-cyc VT = 1.5 V 89 1000 ps 1 See "Single-ended Test Loads Page" for termination circuits 1Guaranteed by design and characterization, not 100% tested in production. 2 Measured between 0.8V and 2.0V CPU SRC, NS_SAS, NS_SRC PCI DOT96 48MHz REF 100 100 100 100 100 100 ppm 50 50 500 250 350 1000 ps PPM tolerance Cycle to Cycle Jitter 1 Clock 1us 0.1s 0.1s 0.1s 1us 1 Clock -c2c jitter AbsPer Min -SSC Short-Term Average Min - ppm Long-Term Average Min 0 ppm Period Nominal + ppm Long-Term Average Max +SSC Short-Term Average Max +c2c jitter AbsPer Max CPU 100.00000 9.94900 9.99900 10.00000 10.00100 10.05100 ns 1,2 SRC, NS_SAS, NS_SRC 100.00000 9.94900 9.99900 10.00000 10.00100 10.05100 ns 1,2 PCI 33.33333 29.49700 29.99700 30.00000 30.00300 30.50300 ns 1,2 DOT96 96.00000 10.16563 10.41563 10.41667 10.41771 10.66771 ns 1,2 48MHz 48.00000 20.48125 20.83125 20.83333 20.83542 21.18542 ns 1,2 REF 14.31818 69.78429 69.83429 69.84128 69.84826 69.89826 ns 1,2 1Guaranteed by design and characterization, not 100% tested in production. SSC ON 2 All Long Term Accuracy specifications are guaranteed with the assumption that the REF output is tuned to exactly 14.31818MHz. Center Freq. MHz Notes Measurement Window Units |
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