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SP481RCP 数据表(PDF) 5 Page - Sipex Corporation |
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SP481RCP 数据表(HTML) 5 Page - Sipex Corporation |
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5 / 9 page ![]() Date: 6/21/04 SP485R RS-485 Serial Transceiver © Copyright 2004 Sipex Corporation 5 Figure 6. Driver Enable and Disable Times Figure 7. Receiver Propagation Delays VOH VOL RECEIVER OUT 1.5V 1.5V tPHL f = 1MHz; tR < 10ns; tF < 10ns OUTPUT V0D2+ V0D2– A – B 0V 0V tPLH INPUT tSKEW = | tPHL - tPLH | Figure 8. Receiver Enable and Disable Times +3V 0V DE 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 +3V 0V RE 5V 0V 1.5V 1.5V tZL tZH f = 1MHz; tR < 10ns; tF < 10ns RECEIVER OUT 1.5V 1.5V tLZ tHZ 0.5V 0.5V Output normally LOW Output normally HIGH VIL VIH RECEIVER OUT |
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