Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Table 5.6 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Transmitter Peak Differential Output Voltage
Receiver Differential Squelch Threshold
VOUT
VDS
2.2
2.5
2.8
V
Note 5.14
300
420
585
mV
Note 5.14 Min/max voltages guaranteed as measured with 100Ω resistive load.
5.5
AC Specifications
This section details the various AC timing specifications of the device.
Note: The SMI timing adheres to the IEEE 802.3 specification. Refer to the IEEE 802.3 specification
for additional timing information.
Note: The RMII timing adheres to the RMII Consortium RMII Specification R1.2.
5.5.1
Equivalent Test Load
Output timing specifications assume a 25pF equivalent test load, unless otherwise noted, as illustrated
in Figure 5.1 below.
OUTPUT
25 pF
Figure 5.1 Output Equivalent Test Load
Revision 1.4 (08-23-12)
68
SMSC LAN8720A/LAN8720Ai
DATASHEET
SMSC [ SMSC CORPORATION ]
