Datasheet
SN75155
LINE DRIVER AND RECEIVER
SLLS017C − JULY 1986 − REVISED MAY 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC+
= 12 V,
V
CC−
= −12 V (unless otherwise noted)
driver section
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
CC +
= 5 V, V
CC −
= − 5 V 3.2 3.7
V
OH
High-level output voltage V
IL
= 0.8 V, R
L
= 3 kΩ
V
CC +
= 9 V, V
CC −
= − 9 V 6.5 7.2
V
V
OH
High level
output
voltage
V
IL
0.8
V, R
L
3
kΩ
V
CC +
= 12 V, V
CC −
= − 12 V 8.9 9.8
V
Lllttlt
V
CC +
= 5 V, V
CC −
= − 5 V −3.6 −3.2
V
OL
Low-level output voltage
(see Note 2)
V
IH
= 2 V, R
L
= 3 kΩ
V
CC +
= 9 V, V
CC −
= − 9 V −7.1 −6.4
V
V
OL
(
see
N
o
t
e
2)
V
IH
2
V, R
L
3
kΩ
V
CC +
= 12 V, V
CC −
= − 12 V −9.7 −8.8
V
I
IH
High-level input current V
I
= 7 V 5 μA
I
IL
Low-level input current V
I
= 0 −0.73 −1.2 mA
I
Hi
g
h-level short-circuit
V 08V V 0
7
12
14 5
mA
I
OS(H)
High level
short circuit
output current
V
I
= 0.8 V, V
O
= 0 −7 −12 −14.5 mA
I
Low-level short-circuit
V 2V V 0
65
11 5
15
mA
I
OS(L)
Low level
short circuit
output current
V
I
= 2 V, V
O
= 0 6.5 11.5 15 mA
r
Output resistance
V 2Vto2V
300
Ω
r
O
Output
resistance
with power off
V
O
= −2 V to 2 V 300 Ω
receiver section (see Figure 1)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IT +
Positive-going input threshhold voltage 1.2 1.9 2.3 V
V
IT −
Negative-going input threshhold
voltage
0.6 0.95 1.2 V
V
hys
Hystresis voltage (V
IT +
−V
IT −
) 0.6 V
V
I
= 0.6 V,
V
CC +
= 5 V, V
CC −
= − 5 V 3.7 4.1 4.5
V
High level output voltage
V
I
=
0
.
6
V
,
I
OH
= 10 μA
V
CC +
= 12 V, V
CC −
= − 12 V 4.4 4.7 5.2
V
V
O(H)
High-level output voltage
V
I
= 0.6 V,
V
CC +
= 5 V, V
CC −
= − 5 V 3.1 3.4 3.8
V
V
I
=
0
.
6
V
,
I
OH
= 0.4 mA
V
CC +
= 12 V, V
CC −
= − 12 V 3.6 4 4.5
V
O(L)
Low-level output voltage V
I
= 2.3 V, I
OL
= 24 mA 0.2 0.3 V
I
High level input current
V
I
= 2 5 V 3.6 6.7 10 mA
I
IH
High-level input current
V
I
= 3 V 0.43 0.67 1 mA
I
Low level input current
V
I
= −25 V −3.6 −6.7 −10 mA
I
IL
Low-level input current
V
I
= −3 V −0.43 −0.67 −1 mA
I
OS
Short-circuit output current V
I
= 0.6 V −2.8 −3.7 mA
†
All typical values are at T
A
= 25°C.
NOTE 2: The algebraic limit system, in which the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic
voltage levels only (e.g., if −8.8 V is the maximum, the typical value is a more negative value).