Datasheet
ST3485EB, ST3485EC, ST3485EI, ST3485EIY 
Maximum ratings 
DocID9102 Rev 11 
5/24 
3  Maximum ratings 
Absolute maximum ratings are those values beyond which damage to the device may 
occur. Functional operation under these condition is not implied. 
Table 5: Absolute maximum ratings 
Symbol 
Parameter 
Value 
Unit 
V
CC
Supply voltage 
7 
V 
V
I
Control input voltage ( RE  , DE) 
-0.3 to 7 
V
DI
Driver input voltage (DI) 
-0.3 to 7 
V
DO
Driver output voltage (A, B) 
±14 
V
RI
Receiver input voltage (A, B) 
±14 
V
RO
Receiver output voltage (RO) 
-0.3 to (V
CC
 + 0.3) 
ESD 
HBM: human body model for the line inputs 
(A and B) 
(1)
12 
kV 
HBM: human body model for the logic 
inputs (DI, DE,  RE  ) 
(1)
4 
HBM: human body model for all other pins 
(1)
2 
CDM: charged device model 
(2)
1.5 
Notes: 
(1)
Human body model: 100 pF discharged through a 1.5 kΩ resistor between two pins of the device, done for 
all couples of pin combinations with other pins floating. 
(2)
Charged device model: all pins plus package are charged together to the specified voltage and then 
discharged directly to ground. 










