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SP3224E Datasheet(PDF) 10 Page - Sipex Corporation |
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SP3224E Datasheet(HTML) 10 Page - Sipex Corporation |
10 / 23 page 10 Rev P 11/20/06 SP3224E-SP3227E Transceivers with Auto On-line® Plus © 2006 Sipex Corporation Generator (see note B) 50Ω 3V SHUTDOWN RS-232 Output CL (see note A) RL TEST CIRCUIT Figure 1. Driver Slew Rate SR= 6V tTHL or tTLH tTLH tTHL 3V -3V 3V -3V 3V 0V VOH VOL Input Output VOLTAGE WAVEFORMS A. CL includes probe and jig capacitance B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50Ω, 50% duty cycle, tr ≤10ns, tf ≤10ns NOTES Generator (see note B) 50Ω 3V SHUTDOWN RS-232 Output CL (see note A) RL TEST CIRCUIT Figure 2. Driver Propagation and Skew tDPLH tDPHL 1.5V 50% 50% 3V 0V VOH VOL Input Output VOLTAGE WAVEFORMS 1.5V Skew= ItDPHL- tDPLHI A. CL includes probe and jig capacitance B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50Ω, 50% duty cycle, tr ≤10ns, tf ≤10ns NOTES CHARACTERIZATION CIRCUITS AND WAVEFORMS Generator (see note B) 50Ω 3V SHUTDOWN RS-232 Output CL (see note A) TEST CIRCUIT NOTES A. CL includes probe and jig capacitance B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50Ω, 50% duty cycle, tr ≤10ns, tf ≤10ns Figure 3. Receiver Propagation Delay and Skew tRPLH tRPHL 1.5V 50% 50% 3V 0V VOH VOL Input Output VOLTAGE WAVEFORMS 1.5V 3V or 0V ONLINE Skew= ItRPHL- tRPLHI 3V or 0V ONLINE 3V or 0V SHUTDOWN 50Ω Generator (See Note B) CL (see note A) Output RL GND VCC S1 TEST CIRCUIT NOTES: A CL includes probe and jig capacitance B. The pulse generator has the folowing characteristics Zo=50Ω, 50% duty cycle, tr ≤10ns, tf ≤10ns C. tPLZ and tPHZ are the same as tdis D. tPZL and tPZH are the same as ten Figure 4. Receiver Enable and Disable Times VOLTAGE WAVEFORMS Input tPHZ 1.5V 1.5V 3V 0V VOH 50% 0.3V (51 at GND) Output tPLZ (51 at VCC) Output 0.3V 50% VOL tPZL (S1 at VCC) tPZH |
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