Datasheet

Electrical characteristics
ST3485EB, ST3485EC, ST3485EI, ST3485EIY
6/24
DocID9102 Rev 11
4 Electrical characteristics
Table 6: Electrical characteristics (VCC = 3 V to 3.6 V, TA = 0 to 70 °C for ST3485ECDR, TA = -
40 to 85 °C for ST3485EBDR, TA = -40 to 125 °C for ST3485EIDT and ST3485EIYDT, unless
otherwise specified. Typical values are referred to TA = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
SUPPLY
V
CC
power supply current
No load, DI = 0 V or V
CC
DE = V
CC
,
RE = 0 V
or V
CC
—
1.3
2.2
mA
DE = 0 V,
RE = 0 V
1.2
1.9
I
SHDN
Shutdown supply current
DE = 0 V, RE = V
CC
, DI = 0 V or V
CC
0.002
1
µA
Table 7: Logic input electrical characteristics (VCC = 3 V to 3.6 V, TA = 0 to 70 °C for
ST3485ECDR, TA = -40 to 85 °C for ST3485EBDR, TA = -40 to 125 °C for ST3485EIDT and
ST3485EIYDT, unless otherwise specified. Typical values are referred to TA = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
IL
Input logic threshold low
DE, DI, RE
1.3
0.8
V
V
IH
Input logic threshold high
DE, DI, RE
2
I
IN1
Logic input current
DE, DI, RE
±2.0
µA
I
IN2
Input current (A, B)
DE = 0 V, V
CC
= 0 or 3.6 V
V
IN
= 12 V
1
mA
V
IN
= -7 V
-0.8