Datasheet

SN75196
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS188B – MAY 1995 – REVISED APRIL 1998
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
RECEIVER SECTION
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN
TYP
MAX UNIT
V
IT
Positive going in
p
ut threshold voltage
See Figure 5
T
A
= 25°C 1.75 1.9 2.3
V
V
IT+
Positi
v
e
-
going
inp
u
t
threshold
v
oltage
See
Fig
u
re
5
T
A
= 0°C to 70 °C 1.55 2.3
V
V
IT–
Negative-going input threshold voltage See Figure 5 0.75 0.97 1.25 V
V
hys
Input hysteresis (V
IT+
– V
IT–
) See Figure 5 0.5 V
V
OH
High level out
p
ut voltage
I
OH
=05mA
See Figure 5
V
IH
= 0.75 V 2.6 4 5
V
V
OH
High
-
le
v
el
o
u
tp
u
t
v
oltage
I
OH
= –
0
.
5
mA
,
See
Fig
u
re
5
Inputs open 2.6
V
V
OL
Low-level input voltage I
OL
= 10 mA, V
I
= 3 V, See Figure 5 0.2 0.45 V
I
IH
High level in
p
ut current
V
I
= 25 V 3.6 8.3
mA
I
IH
High
-
le
v
el
inp
u
t
c
u
rrent
V
I
= 3 V 0.43
mA
I
IL
Low level in
p
ut current
V
I
= –25 V –3.6 –8.3
mA
I
IL
Lo
w-
le
v
el
inp
u
t
c
u
rrent
V
I
= –3 V –0.43
mA
I
OS
Short-circuit output current See Figure 4 –3.4 –12 mA
†
All typical values are at T
A
= 25°C, V
CC
= 5 V, V
DD
= 9 V, and V
SS
= –9 V.
switching characteristics, V
CC
= 5 V, V
DD
= 12 V, V
SS
= –12 V, T
A
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PLH
Propagation delay time, low- to high-level output C
L
= 50 pF, R
L
= 5 kΩ, See Figure 6 107 500 ns
t
PHL
Propagation delay time, high- to low-level output C
L
= 50 pF, R
L
= 5 kΩ, See Figure 6 42 150 ns
t
TLH
Transition time, low- to high-level output C
L
= 50 pF, R
L
= 5 kΩ, See Figure 6 175 525 ns
t
THL
Transition time, high- to low-level output C
L
= 50 pF, R
L
= 5 kΩ, See Figure 6 16 60 ns