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SM8760CAV Datenblatt(PDF) 4 Page - Nippon Precision Circuits Inc |
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SM8760CAV Datenblatt(HTML) 4 Page - Nippon Precision Circuits Inc |
4 / 8 page SM8760CA SEIKO NPC CORPORATION —4 AC Characteristics VDD = 3.3 ± 0.3V, VSS = 0V, Ta = −20 to +80°C unless otherwise noted. Parameter Symbol Pins Condition Rating Unit min typ max Clock frequency fin XT Crystal connection – 12.75 – MHz External clock input*1 *1. When using an external clock input, it is recommended that the clock on XT have 50% duty and VDD level signal amplitude. Note that the input signal voltage must not exceed the absolute maximum rating, otherwise it may cause the device to breakdown. – 12.75 – Output clock rise time*2 *2. Measured using the circuit in Figure 1 on the NPC standard evaluation board. tr CLKOUT, REFOUT CL = 15pF, VOL = 0.2VDD to VOH = 0.8VDD transition time – 2.0 – ns Output clock fall time*2 tf CLKOUT, REFOUT CL = 15pF, VOH = 0.8VDD to VOL = 0.2VDD transition time – 2.0 – ns Output clock jitter*2 tjitter REFOUT 1-sigma jitter, Ta = 25 °C, CL = 15pF, VO = 0.5VDD –25– ps Peak-to-peak jitter, Ta = 25 °C, CL = 15pF, VO = 0.5VDD – 180 – CLKOUT Cycle-to-cycle jitter, Ta = 25 °C, CL = 15pF, VO = 0.5VDD – 350 – Output clock duty cycle*2 Dt CLKOUT, REFOUT Ta = 25 °C, CL = 15pF, VO = 0.5VDD 45 50 55 % Power-up time*2,*3 *3. The power-up time is the time from when the supply reaches 3.0V after the supply is turned ON until each output clock reaches its designated fre- quency to within ± 0.1%. tp CLKOUT, REFOUT –15 ms Figure 1. Measurement circuit Frequency & Time Interval Analyzer (HP5371A) X'tal Oscilloscope (Infinium HP54845A) Passive Probe (HP10435A) Active Probe (HP1152A) DUT Jitter Measurement System (ASA, M1) + + DUT: Device Under Testing |
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Ähnliche Beschreibung - SM8760CAV |
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