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SN75C3222 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. SN75C3222
Description  3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN75C3222 Datasheet(HTML) 6 Page - Texas Instruments

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SN65C3222, SN75C3222
3V TO 5.5V MULTICHANNEL RS232 COMPATIBLE LINE DRIVER/RECEIVER
SLLS534B − MAY 2002 − REVISED OCTOBER 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
50
TEST CIRCUIT
VOLTAGE WAVEFORMS
−3 V
−3 V
3 V
3 V
0 V
3 V
1.5 V
1.5 V
Output
Input
VOL
VOH
tTLH
Generator
(see Note B)
RL
RS-232
Output
tTHL
CL
(see Note A)
SR(tr)
+
6V
t
THL
or t
TLH
3 V
PWRDOWN
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.
Figure 1. Driver Slew Rate
50
TEST CIRCUIT
VOLTAGE WAVEFORMS
0 V
3 V
Output
Input
VOL
VOH
tPLH
Generator
(see Note B)
RL
3 V
PWRDOWN
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
Figure 2. Driver Pulse Skew
TEST CIRCUIT
VOLTAGE WAVEFORMS
50
50%
50%
−3 V
3 V
1.5 V
1.5 V
Output
Input
VOL
VOH
tPHL
Generator
(see Note B)
tPLH
Output
EN
0 V
CL
(see Note A)
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.
Figure 3. Receiver Propagation-Delay Times


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