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SP526CF 数据表(PDF) 12 Page - Sipex Corporation |
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SP526CF 数据表(HTML) 12 Page - Sipex Corporation |
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12 / 24 page ![]() 12 Rev: C Date:2/1/06 SP526 Multi–Mode Serial Transceiver © Copyright 2006 Sipex Corporation - Figure 22. Driver Timing Test Load Circuit Figure 23. Receiver Timing Test Load Circuit 500Ω CL Output Under Test S1 S2 VCC 1KΩ 1KΩ CRL Receiver Ou tpu t S1 S2 Test Point VCC Figure 24. Driver Propagation Delays +3V 0V DRIVER INPUT B A DRIVER OUTPUT VO+ DIFFERENTIAL OUTPUT VA – VB 0V VO– 1.5V 1.5V tPLH tR tF f = 1MHz; tR ≤ 10ns; tF ≤ 10ns VO 1/2VO 1/2VO tPHL tSKEW = |tDPLH - tDPHL| tDPHL tDPLH Figure 25. V.11 Driver Enable and Disable Times +3V 0V DECX or Tx_Enable 5V VOL A, B 0V 1.5V 1.5V tZL tZH f= 1MHz; tR < 10ns; tF <10ns VOH A, B 2.3V 2.3V tLZ tHZ 0.5V 0.5V Output normally LOW Output normally HIGH Figure 21. Driver/Receiver Timing Test Circuit CL1 15pF RO A B A B DI CL2 RL D X or TX_Enable |
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