Page no. 23 | Electrical Specifications
Symbol
Parameter
Condition
Min
Typical
Max
Units
V
OD
Differential Output
Voltage
R
L
= 100 Ω (RS422)
2
2.7
V
R
L
= 54 Ω (RS485)
1.5
2.3
3.3
V
∆V
OD
Change in Magnitude
of VOD for
Complementary
Output States
R
L
= 100 Ω / 54 Ω
0.01
0.2
V
∆V
OS
Change in Magnitude
of VOS for
Complementary
Output States
R
L
= 100 Ω / 54 Ω
0.01
0.2
V
I
OS
Output Short Circuit
Current
250
mA
I
OFF
Power-off Leakage
Out
enabled
V
IN
= 12V
14
20
µA
V
IN
= -7V
-20
-11
Out
disabled
V
IN
= 12V
0.03
1
V
IN
= -7V
-1
-0.01
I
OZ
Output TRI-STATE
Current
-1
1
µA
V
OH
Output High Voltage
2.9
V
V
OL
Output Low Voltage
0.4
V
Table 14 : KY-EXT-CL RS422 / RS485 Output DC specifications (Driver Outputs)
Symbol
Parameter
Condition
Min
Typical
Max
Units
V
TH
Differential Input
High Threshold
-0.2
0.2
V
I
IN
Input Current
V
IN
= 12 V
0.6
1
µA
V
IN
= -7 V
-0.3
-0.8
µA
V
IH
Input High Voltage
2
V
V
IL
Input Low Voltage
0.8
V
Table 15 : KY-EXT-CL RS422 / RS485 Input DC specifications (Receiver Inputs)
Symbol
Parameter
Test condition (note 1)
Min
Max
Units
V
IH
Input High Voltage
V
OUT
≥ V
OH (min)
or
V
OUT
≤ V
OL (max)
5
V
V
IL
Input Low Voltage
V
OUT
≥ V
OH (min)
or
V
OUT
≤ V
OL (max)
-5
V
I
IN
Input Current
V
IN
= 0 V or V
IN
= V
DD
1
µA
Table 16 : KY-EXT-CL RS232 input specifications
Note: Vdd = 5V, unless specified otherwise
Symbol
Parameter
Test condition (note 1)
Min
Max
Units
V
OH
Output High Voltage
2.7
V
V
OL
Output Low Voltage
0.4
V
Table 17 : KY-EXT-CL RS232 output specifications
Note: Vdd = 5V, unless specified otherwise