Si8410/20/21
Table 3. Electrical Characteristics
(V DD1 = 5 V ±10%, V DD2 = 5 V ±10%, T A = –40 to 125 oC)
Output Impedance
Parameter
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
Input Leakage Current
Symbol
V IH
V IL
V OH
V OL
I L
Z O
Test Condition
loh = –4 mA
lol = 4 mA
Min
2.0
V DD1 ,V DD2 – 0.4
Typ
4.8
0.2
85
Max
0.8
0.4
±10
Unit
V
V
V
V
μA
?
DC Supply Current (All inputs 0 V or at Supply)
Si8410Ax, Bx
V DD1
All inputs 0 DC
0.8
1.2
V DD2
V DD1
V DD2
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
0.8
1.8
0.8
1.2
2.7
1.2
mA
Si8420Ax, Bx
V DD1
All inputs 0 DC
1.0
1.5
V DD2
V DD1
V DD2
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
1.3
3.0
1.4
2.0
4.5
2.1
mA
Si8421Ax, Bx
V DD1
All inputs 0 DC
1.3
2.0
V DD2
V DD1
V DD2
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
1.3
2.3
2.3
2.0
3.5
3.5
mA
1 Mbps Supply Current (All inputs = 500 kHz square wave, CI = 15 pF on all outputs)
Si8410Ax, Bx
V DD1
V DD2
1.3
0.9
2.0
1.4
mA
Si8420Ax, Bx
V DD1
V DD2
2.0
1.6
3.0
2.4
mA
Si8421Ax, Bx
V DD1
V DD2
1.9
1.9
2.9
2.9
mA
Notes:
1. The nominal output impedance of an isolator driver channel is approximately 85 ? , ±40%, which is a combination of
the value of the on-chip series termination resistor and channel resistance of the output driver FET. When driving loads
where transmission line effects will be a factor, output pins should be appropriately terminated with controlled
impedance PCB traces.
2. t PSK(P-P) is the magnitude of the difference in propagation delay times measured between different units operating at
the same supply voltages, load, and ambient temperature.
3. Start-up time is the time period from the application of power to valid data at the output.
Rev. 1.5
5
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