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SM8707E Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc |
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SM8707E Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc |
7 / 12 page SM8707E/F SEIKO NPC CORPORATION - 7 SM8707F fXTAL=27.0000MHz, VDD=3.3V±0.3V, VSS=0V, Ta=-40 to +85C unless otherwise noted. Rating Parameter Symbol Pins Condition MIN TYP MAX Unit External input clock frequency*1 fXTI XTI Applies to external clock input use only - 27.0000 - MHz MO1,SO1, SO2 CL=25pF, transition between VOL=0.2VDD and VOH=0.8VDD - 2.0 - Output clock rise time*2 tr AO1,AO2 CL=15pF, transition between VOL=0.2VDD and VOH=0.8VDD - 2.0 - ns MO1,SO1, SO2 CL=25pF, transition between VOH=0.8VDD and VOL=0.2VDD - 2.0 - Output clock fall time*2 tf AO1,AO2 CL=15pF, transition between VOH=0.8VDD and VOL=0.2VDD - 2.0 - ns MO1 - 20 - SO1,SO2 Ta=25℃,CL=25pF,VO=0.5VDD - 40 - Output clock jitter*3 tjitter (1-sigma) AO1,AO2 Ta=25℃,CL=15pF,VO=0.5VDD - 40 - ps MO1,SO1, SO2 Ta=25℃,CL=25pF,VO=0.5VDD 45 50 55 Output clock duty cycle*2 Dt AO1,AO2 Ta=25℃,CL=15pF,VO=0.5VDD 45 50 55 % Settling time*2 ts All outputs excluding XTO - - 1 s Power-up time*2*4 tp All outputs excluding XTO - 1 5 ms *1. When using an external clock input, the XTI duty should be 50% with 3.3V clock signal amplitude level. The input signal voltage should not exceed the absolute maximum rating, otherwise damage may occur. *2. The numeric values are measured values obtained using the circuit in Figure 1 and the NPC standard evaluation board. *3. The numeric values are measured values obtained using the circuit in Figure 2 and the NPC standard evaluation board. *4. This is the time, after the supply is turned ON from the OFF state, until the output clock reaches ±0.1% of the specified frequency. Active Probe (HP1152A) Oscilloscope (Infinium HP54845A) Passive Probe (HP10435A) Frequency & Time Interval Analyzer (HP5371A) DUT 27MHz DUT:Device under test Active Probe (HP54701A) Oscilloscope (HP54720D + HP54721A) Jitter Measurement System (ASA,M1) DUT 27MHz DUT:Device under test Figure 1. Measurement circuit 1 Figure 2. Measurement circuit 2 |
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