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TRS3221E Datasheet(PDF) 7 Page - Texas Instruments |
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TRS3221E Datasheet(HTML) 7 Page - Texas Instruments |
7 / 17 page www.ti.com PARAMETER MEASUREMENT INFORMATION 50 Ω TEST CIRCUIT VOLTAGE WAVEFORMS −3 V −3 V 3 V 3 V 0 V 3 V Output Input VOL VOH tTLH Generator (see Note B) RL 3 V FORCEOFF RS-232 Output tTHL CL (see Note A) SR(tr) + 6 V t THL or tTLH NOTES: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics: PRR = 250 kbit/s, ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns. FORCEON 3 V 50 Ω TEST CIRCUIT VOLTAGE WAVEFORMS 0 V 3 V Output Input VOL VOH tPLH Generator (see Note B) RL 3 V FORCEOFF RS-232 Output tPHL CL (see Note A) NOTES: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics: PRR = 250 kbit/s, ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns. 50% 50% 1.5 V 1.5 V FORCEON 3 V TEST CIRCUIT VOLTAGE WAVEFORMS 50 Ω −3 V 3 V Output Input VOL VOH tPHL Generator (see Note B) tPLH Output CL (see Note A) EN = VCC NOTES: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics: ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns. 1.5 V 1.5 V 50% 50% TRS3221E 3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV IEC ESD PROTECTION SLLS792 – JUNE 2007 Figure 1. Driver Slew Rate Figure 2. Driver Pulse Skew Figure 3. Receiver Propagation Delay Times 7 Submit Documentation Feedback |
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