Datasheet

 2016 Microchip Technology Inc. DS00002165B-page 57
LAN8720A/LAN8720AI
Note 5-17 Measured differentially.
TABLE 5-6: 10BASE-T TRANSCEIVER CHARACTERISTICS
Parameter Symbol Min Typ Max Units Notes
Transmitter Peak Differential Output Voltage V
OUT
2.2 2.5 2.8 V Note 5-15
Receiver Differential Squelch Threshold V
DS
300 420 585 mV —
Note 5-18 Min/
max voltages guaranteed as measured with 100 resistive load.
5.5 AC Specifications
This section details the various AC timing specifications of the device.
Note 5-19 The
SMI timing adheres to the IEEE 802.3 specification. Refer to the IEEE 802.3 specification for
additional timing information.
Note 5-20 The RMI
I 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.
FIGURE 5-1: OUTPUT EQUIVALENT TEST LOAD
25 pF
OUTPUT