Si8410/20/21
Table 5. Electrical Characteristics 1 (Continued)
(V DD1 = 2.70 V, V DD2 = 2.70 V, T A = –40 to 125 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
10 Mbps Supply Current (All inputs = 5 MHz square wave, CI = 15 pF on all outputs)
Si8410Bx
V DD1
V DD2
1.3
1.2
2.0
1.8
mA
Si8420Bx
V DD1
V DD2
2.0
2.1
3.0
3.2
mA
Si8421Bx
V DD1
V DD2
2.2
2.2
3.3
3.3
mA
100 Mbps Supply Current (All inputs = 50 MHz square wave, CI = 15 pF on all outputs)
Si8410Bx
V DD1
V DD2
1.3
2.7
2.0
4.0
mA
Si8420Bx
V DD1
V DD2
2.0
5.2
3.0
6.5
mA
Si8421Bx
V DD1
V DD2
3.7
3.7
4.6
4.6
mA
Timing Characteristics
Si8410Ax, Si8420Ax, Si8421Ax
Maximum Data Rate
Minimum Pulse Width
0
1.0
250
Mbps
ns
Propagation Delay
Pulse Width Distortion
|t PLH - t PHL |
Propagation Delay Skew 3
Channel-Channel Skew
t PHL , t PLH
PWD
t PSK(P-P)
t PSK
See Figure 1
See Figure 1
35
25
40
35
ns
ns
ns
ns
Notes:
1. Specifications in this table are also valid at VDD1 = 2.6 V and VDD2 = 2.6 V when the operating temperature range is
constrained to T A = 0 to 85 °C.
2. 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.
3. 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.
4. Start-up time is the time period from the application of power to valid data at the output.
12
Rev. 1.5
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