MAX213
5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH
±15-kV
ESD PROTECTION
SLLS680 – DECEMBER 2005
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PARAMETER MEASUREMENT INFORMATION (continued)
5-V
SHDN
Input
Generator
(see Note B)
RS-232
Output
50
Ω
R
L
C
L
(see Note A)
Output
TEST CIRCUIT
6V
t
THL(D)
or t
TLH(D)
3V
1.5 V
1.5 V
0V
t
THL(D)
3V
–3 V
SR(tr) =
t
TLH(D)
3V
–3 V
V
OH
V
OL
VOLTAGE WAVEFORMS
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: Z
O
= 50
Ω,
50% duty cycle, t
r
≤
10 ns, t
f
≤
10 ns.
Figure 2. Driver Slew Rate
5-V
SHDN
3V
Generator
(see Note B)
RS-232
Output
50
Ω
R
L
C
L
(see Note A)
Output
TEST CIRCUIT
Input
1.5 V
t
PHL(D)
50%
VOLTAGE WAVEFORMS
1.5 V
0V
t
PLH(D)
V
OH
50%
V
OL
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: Z
O
= 50
Ω,
50% duty cycle, t
r
≤
10 ns, t
f
≤
10 ns.
Figure 3. Driver Pulse Skew and Propagation Delay Times
5-V
SHDN
Input
Output
Generator
(see Note B)
50
Ω
5-V
EN
TEST CIRCUIT
C
L
(see Note A)
Output
t
PHL(R)
50%
VOLTAGE WAVEFORMS
t
PLH(R)
V
OH
50%
V
OL
1.5 V
1.5 V
–3 V
3V
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: Z
O
= 50
Ω,
50% duty cycle, t
r
≤
10 ns, t
f
≤
10 ns.
Figure 4. Receiver Propagation Delay Times
8
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