VSC8540RT datasheet(7/87 Pages) MICROCHIP

Part #	VSC8540RT

Description	Radiation-Tolerant Single Port Fast Ethernet Copper PHY with RGMII/MII/RMII Interfaces

PDF	87 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2022 Microchip Technology Inc. and its subsidiaries

DS60001603E-page 7

VSC8540RT

3.0

PIN DESCRIPTIONS

The VSC8540RT device has 68 pins, which are described in this section.

3.1

Pin Identifications

This section contains the pin descriptions for the VSC8540RT device. The following table provides notations for defini-

tions of the various pin types.

3.2

Pin Diagram

The following illustration shows the pin diagram for the VSC8540RT device, as seen looking through the package from

the top of it. Note that the exposed pad for the plastic package or the heat slug for the ceramic package connects to the

package ground and have both the same size.

TABLE 3-1:

PIN TYPE SYMBOL DEFINITIONS

Symbol

Pin Type

Description

Analog

Analog.

ADIFF

Analog differential

Analog differential signal pair.

Input

Input without on-chip pull-up or pull-down resistor.

I/O

Bidirectional

Bidirectional input or output signal.

Output

Output signal.

Power

Power.

Pull-down

On-chip pull-down resistor present.

Pull-up

On-chip pull-up resistor present.

VSC8540RT Datasheet(PDF) 7 Page - Microchip Technology