Datasheet

SN65ALS1176
DIFFERENTIAL BUS TRANSCEIVER
SLLS295A – APRIL 1998 – REVISED DECEMBER 1999
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT
Driver Input: R
(eq)
= 3 kΩ NOM
Enable Inputs: R
(eq)
= 8 kΩ
NOM
R
(eq)
= equivalent resistor
TYPICAL OF A AND B I/O PORTS TYPICAL OF RECEIVER OUTPUT
Output
85 Ω
NOM
V
CC
180 kΩ
NOM
Connected
on B Port
1.1 kΩ
NOM
3 kΩ
NOM
18 kΩ
NOM
Connected
on A Port
180 kΩ
NOM
A or B
R
(eq)
V
CC
Input
V
CC
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage, V
CC
(see Note 1) 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range at any bus terminal –7 V to 12 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Enable input voltage, V
I
5.5 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θ
JA
(see Note 2): D package 97°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P package 85°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values, except differential I/O bus voltage, are with respect to network ground terminal.
2. The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions
MIN NOM MAX UNIT
Supply voltage, V
CC
4.75 5 5.25 V
In
p
ut voltage at any bus terminal (se
p
arately or common mode) V
I
or V
IC
12
V
Inp
u
t
v
oltage
at
an
y
b
u
s
terminal
(separatel
y
or
common
mode)
,
V
I
or
V
IC
–7
V
High-level input voltage, V
IH
D, DE, and RE 2 V
Low-level input voltage, V
IL
D, DE, and RE 0.8 V
Differential input voltage, V
ID
(see Note 3) ±12 V
High level out
p
ut current I
OH
Driver –60 mA
High
-
le
v
el
o
u
tp
u
t
c
u
rrent
,
I
OH
Receiver –400 µA
Low level out
p
ut current I
OL
Driver 60
mA
Lo
w-
le
v
el
o
u
tp
u
t
c
u
rrent
,
I
OL
Receiver 8
mA
Operating free-air temperature, T
A
–25 85 °C
NOTE 3: Differential input/output bus voltage is measured at the noninverting terminal A with respect to the inverting terminal B.