High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Table 7.6 LAN9117 Crystal Specifications
Frequency Tolerance @ 25° C
Frequency Stability Over Temp
Operating Temp Range
Shunt Capacitance
±50 PPM
±50 PPM
0° C to 70° C
7.0 pF
Load Capacitance
20 pF ~ Parallel
0.5 mW
Drive Level
Table 7.7 LAN9117 Recommended Crystals
Fox Electronics
FOXS/250F-20
Additionally, SMSC recommends a series resistor for the crystal circuit. Further details are provided in
SMSC Application Note AN10.7 - “Parallel Crystal Circuit Input Voltage Control” and in the LAN9117
Reference Schematic.
Revision 1.1 (05-17-05)
130
SMSC LAN9117
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