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SY89874UMI Datasheet(PDF) 5 Page - Micrel Semiconductor |
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SY89874UMI Datasheet(HTML) 5 Page - Micrel Semiconductor |
5 / 10 page 5 Precision Edge™ SY89874U Micrel V CC = 3.3V ±10% or 2.5V ±5%; TA = –40°C to +85°C; Unless otherwise stated. Symbol Parameter Condition Min Typ Max Units f MAX Maximum Output Toggle Frequency Output Swing ≥ 400mV 2.5 GHz Maximum Input Frequency Divide by 2, 4, 8, 16 3.2 GHz t PLH Differential Propagation Delay Input Swing < 400mV 540 650 790 ps t PHL IN to Q Input Swing ≥ 400mV 480 600 730 ps t SKEW Within-Device Skew (diff.) Note 3 715 ps Q0–Q1 Part-to-Part Skew (diff.) Note 3 250 ps t RR Reset Recovery Time Note 4 600 ps Tjitter Cycle-to-Cycle Jitter Note 5 1 ps(rms) Total Jitter Note 6 10 ps(pk-pk) t r,tf Rise/Fall Time (20% to 80%) 70 150 250 ps Note 1. Measured with 400mV input signal, 50% duty cycle, all outputs loaded with 50 Ω to V CC–2V, unless otherwise stated. Note 2. Specification for packaged product only. Note 3. Skew is measured between outputs under identical transitions. Note 4. See “Timing Diagram.” Note 5. Cycle-to-cycle jitter definition: the variation in period between adjacent cycles over a random sample of adjacent cycle pairs. Tjitter_cc=Tn–Tn+1, where T is the time between rising edges of the output signal. Note 6. Total jitter definition: with an ideal clock input, of frequency ≤ f MAX (device), no more than one output edge in 10 12 output edges will deviate by more than the specified peak-to-peak jitter value. AC ELECTRICAL CHARACTERISTICS(Notes 1, 2) TIMING DIAGRAM VIN /RESET IN /IN /Q Q tPD tRR VCC/2 VIN Swing VOUT Swing |
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