Datasheet

MAX1489E
±15kV ESD-Protected, Quad,
Low-Power RS-232 Line Receiver
_______________________________________________________________________________________ 3
0.6
-40
PROPAGATION DELAY vs. TEMPERATURE
1.0
MAX1489E-01
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
60
1.8
1.4
-15 35 85
2.2
10
t
PHL
t
PLH
0
-40
PROPAGATION DELAY SKEW
vs. TEMPERATURE
200
MAX1489E-02
TEMPERATURE (°C)
PROPAGATION DELAY SKEW (ns)
60
600
400
-15 35 85
800
10
V
CC
= 5V
V
CC
= 5.25V
V
CC
= 4.75V
0
0.7
NOISE PULSE REJECTION
2
MAX1489E-03
INPUT PULSE WIDTH (µs)
INPUT PULSE AMPLITUDE (Vp-p)
2.3
6
4
1.1 1.9 2.7
8
1.5
V
IN
=
(V
IL
+ V
IH
)
±
PULSE AMP,
2 2
f = 300kHz
NAME FUNCTION
1, 4, 10,
13
INPUT_ Receiver Inputs
2, 5, 9,
12
N.C.
No Connect—not internally
connected
PIN
3, 6, 8,
11
OUTPUT_ Receiver Outputs
7 GND Ground
_____________________Pin Description
14 V
CC
Supply Voltage
__________________________________________Typical Operating Characteristics
(V
CC
= 5V, T
A
= +25°C, unless otherwise noted.)
t
PHL
t
PLH
t
TR
t
TR
1.5V
3.0V
0V
S.G.
V
OUT
V
OH
V
OL
10%
50% 50%
50pF V
OUT
V
CC
SIGNAL
GENERATOR
(S.G.)
90%
NOTE: S.G. SET TO f = 20kHz;
DUTY CYCLE = 50%;
t
R
, t
F
< 5.0ns
Figure 1. Timing Diagram