LXT9763 Datasheet, PDF (41/74 Pages) Intel Corporation – Fast Ethernet 10/100 Hex Transceiver with Full MII

Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763
Table 13. Magnetics Requirements
Parameter
Min
35
-16
Return Loss
-10
Rise Time
2.0
Nom
–
–
–
–
Max
Units
Test Condition
–
dB
60 to 100 MHz
–
dB
30 MHz
–
dB
80 MHz
3.5
ns
10% to 90%
2.2
Typical Application Circuits
Figure 18 shows a typical layout of the LXT9763 twisted-pair interface in a dual-high (stacked)
RJ-45 application.
Figure 17. Power and Ground Supply Connections
LXT9763
GNDS
RBIAS
22.1 kΩ 1%
GNDA
VCCT
VCCR
.01µF
.01µF
Analog Supply Plane
10µF
+
Ferrite
Bead
VCCD
GNDD
VCCIO
Digital Supply Plane
.01µF
10µF
10µF
.01µF
+3.3V
+3.3V
Datasheet
41