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