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SY89113UMYTR Datasheet(PDF) 7 Page - Micrel Semiconductor |
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SY89113UMYTR Datasheet(HTML) 7 Page - Micrel Semiconductor |
7 / 14 page Micrel, Inc. SY89113U December 2007 M9999-120607 hbwhelp@micrel.com or (408) 955-1690 7 AC Electrical Characteristics (8) VCC = +2.5V ±5%; TA = –40°C to + 85°C, RL = 100 Ω across the output pair, unless otherwise stated. Symbol Parameter Condition Min Typ Max Units fMAX Maximum Operating Frequency VOUT ≥ 200mV 1 GHz tPD Propagation Delay CLK0-to-Q CLK1-to-Q CLK_SEL-to-Q VIN ≥ 100mV 625 750 975 ps VIN ≥ 200mV 700 900 1200 ps 500 700 900 ps tPD Tempco Differential Propagation Delay Temperature Coefficient 90 fs/ oC tS Set-up Time EN-to-CLK0 EN-to-CLK1 Note 9 100 ps Note 9 0 ps tH Hold Time CLK0-to-EN CLK1-to-EN Note 9 500 ps Note 9 600 ps tSKEW Output-to-Output Skew Note 10 25 ps Part-to-Part Skew CLK0 Part-to-Part Skew CLK1 Note 11 200 ps Note 11 250 ps tJITTER Cycle-to-Cycle Jitter Note 12 1 psRMS Random Jitter (RJ) Note 13 1 psRMS Total Jitter (TJ) Note 14 10 psPP Adjacent Channel Crosstalk-induced Jitter Note 15 0.7 psRMS tr, tf Output Rise/Fall Time (20% to 80%) At full output swing. 80 150 250 ps Notes: 8. High-frequency AC-parameters are guaranteed by design and characterization. 9. Set-up and hold times apply to synchronous applications that intend to enable/disable before the next clock cycle. For asynchronous applications, set-up and hold do not apply. 10. Output-to-output skew is measured between two different outputs under identical input transitions. 11. Part-to-part skew is defined for two parts with identical power supply voltages at the same temperature and with no skew of the edges at the respective inputs 12. Cycle-to-cycle jitter definition: the variation of periods between adjacent cycles, Tn – Tn-1 where T is the time between rising edges of the output signal. 13. Random jitter is measured with a K28.7 character pattern, measured at <fMAX. 14. Total jitter definition: with an ideal clock input of frequency <fMAX, no more than one output edge in 10 12 output edges will deviate by more than the specified peak-to-peak jitter value. 15. Crosstalk-induced jitter is defined as: the added jitter that results from signals applied to two adjacent channels. It is measured at the output while applying two similar, differential clock frequencies that are asynchronous with respect to each other at the inputs. |
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