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RECEIVER SECTION
Electrical Characteristics
(1)
Switching Characteristics
(1)
MAX3232E
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV IEC ESD PROTECTION
SLLS664A – AUGUST 2005 – REVISED APRIL 2007
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 4 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
OH
High-level output voltage I
OH
= –1 mA V
CC
– 0.6 V
CC
– 0.1 V
V
OL
Low-level output voltage I
OL
= 1.6 mA 0.4 V
V
CC
= 3.3 V 1.5 2.4
V
IT+
Positive-going input threshold voltage V
V
CC
= 5 V 1.8 2.4
V
CC
= 3.3 V 0.6 1.2
V
IT–
Negative-going input threshold voltage V
V
CC
= 5 V 0.8 1.5
V
hys
Input hysteresis (V
IT+
– V
IT–
) 0.3 V
r
i
Input resistance V
I
= ± 3 V to ± 25 V 3 5 7 k Ω
(1) Test conditions are C1–C4 = 0.1 µ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 µ F, C2–C4 = 0.33 µ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 3 )
PARAMETER TEST CONDITIONS TYP
(2)
UNIT
t
PLH
Propagation delay time, low- to high-level output 300 ns
C
L
= 150 pF
t
PHL
Propagation delay time, high- to low-level output 300 ns
t
sk(p)
Pulse skew
(3)
300 ns
(1) Test conditions are C1–C4 = 0.1 µ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 µ F, C2–C4 = 0.33 µ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
(3) Pulse skew is defined as |t
PLH
– t
PHL
| of each channel of the same device.
5
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