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SP505ACF Fiches technique(PDF) 13 Page - Sipex Corporation |
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SP505ACF Fiches technique(HTML) 13 Page - Sipex Corporation |
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13 / 35 page ![]() 13 Rev: A Date: 1/27/04 SP505 Multi–Mode Serial Transceiver © Copyright 2004 Sipex Corporation Figure 34. Driver Timing Test Load Circuit Figure 35. Receiver Timing Test Load Circuit 500Ω CL Output Under Test S1 S2 VCC 1KΩ 1KΩ CRL Receiver Output S1 S2 Test Point VCC Figure 36. Driver Propagation Delays Figure 37. Driver Enable and Disable Times +3V 0V DECX 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 TX ENABLE Figure 38. Receiver 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 > 5MHz; tR < 10ns; tF < 10ns VO 1/2VO 1/2VO tPHL tDPLH tDPHL tSKEW = | tDPLH - tDPHL | VOH VOL RECEIVER OUT (VOH - VOL)/2 (VOH - VOL)/2 tPLH f > 5MHz; tR < 10ns; tF < 10ns OUTPUT V0D2+ V0D2– A – B 0V 0V tPHL INPUT t SKEW = | tPHL - tPLH | |
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