SI8421BB-C-IS Silicon Laboratories Inc, SI8421BB-C-IS Datasheet - Page 4

• Manufacturer Part Number: SI8421BB-C-IS
• Manufacturer: Silicon Laboratories Inc

Specifications of SI8421BB-C-IS

• Operating Supply Voltage (typ): 3.3/5V
• Lead Free Status / RoHS Status: Compliant

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