Datasheet

Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller

Datasheet

SMSC LAN7500/LAN7500i 47 Revision 1.0 (11-01-10)

DATASHEET

Note 7.14 Min/max voltages guaranteed as measured with 100Ω resistive load.

7.5 AC Specifications

This section details the various AC timing specifications of the device.

Note: The USBDP and USBDM pin timing adheres to the USB 2.0 specification. Refer to the

Universal Serial Bus Revision 2.0 specification for detailed USB timing information.

Note: The Ethernet TX/RX pin timing adheres to the IEEE 802.3 specification. Refer to the IEEE

802.3 specification for detailed Ethernet timing information.

7.5.1 Equivalent Test Load

Output timing specifications assume the 25pF equivalent test load illustrated in Figure 7.1 below,

unless otherwise specified.

Table 7.14 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 7.14

Receiver Differential Squelch Threshold V

300 420 585 mV

Figure 7.1 Output Equivalent Test Load

25 pF

OUTPUT