
SN75177B, SN75178B
DIFFERENTIAL BUS REPEATERS
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–3
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
(see Note 1)
Voltage range at any bus terminal
Differential input voltage (see Note 2)
Enable input voltage
Continuous total dissipation
Operating free-air temperature range
Storage temperature range
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–10 V to 15 V
±
25 V
5.5 V
See Dissipation Rating Table
0
°
C to 70
°
C
–65
°
C to 150
°
C
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES: 1. All voltage values, except differential input voltage, are with respect to network ground terminal.
2. Differential input voltage is measured at the noninverting input with respect to the corresponding inverting input.
DISSIPATION RATING TABLE
TA
≤
25
°
C
POWER RATING
725 mW
1000 mW
PACKAGE
DERATING FACTOR
ABOVE TA = 25
°
C
5.8 mW/
°
C
8.0 mW/
°
C
TA = 70
°
C
POWER RATING
464 mW
640 mW
D
P
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
High-level input voltage, VIH
low-level input voltage, VIL
Common-mode input voltage, VIC
Differential input voltage, VID
4.75
5
5.25
V
EN or EN
2
V
EN or EN
0.8
V
–7
12
V
±
12
–60
V
High level output current IOH
High-level output current, IOH
Driver
mA
μ
A
Receiver
–400
Low level output current IOL
Low-level output current, IOL
Driver
60
mA
Receiver
8
Operating free-air temperature, TA
The algebraic convention, where the less-positive (more-negative) limit is designated minimum, is used in this data sheet for common-mode input
voltage and threshold voltage.
0
70
°
C