MAX3237E Datasheet, PDF (8/15 Pages) Texas Instruments – 3-V TO 5.5-V MULTICHANNEL RS-232 1-MBit/s LINE DRIVER/RECEIVER

MAX3237E
3-V TO 5.5-V MULTICHANNEL RS-232
1-MBit/s LINE DRIVER/RECEIVER
SLLS709A – MAY 2006 – REVISED OCTOBER 2006
PARAMETER MEASUREMENT INFORMATION (continued)
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3 V or 0 V
Generator
(see Note B)
3 V or 0 V
EN
50 Ω
V_CC
S1
GND
R_L
Output
C_L
(see Note A)
TEST CIRCUIT
Input
t_PHZ
(S1 at GND)
Output
0.3 V
t_PLZ
(S1 at V_CC)
0.3 V
Output
1.5 V
3V
1.5 V
−3 V
t_PZH
(S1 at GND)
50%
V_OH
t_PZL
(S1 at V_CC)
50%
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.
C. t_PLZ and t_PHZ are the same as t_dis.
D. t_PZL and t_PZH are the same as t_en.
Figure 4. Receiver Enable and Disable Times
8
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