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KSZ9031RNX

Gigabit Ethernet Transceiver with RGMII Support

Micrel 

Micrel, Inc.

KSZ9031RNX

Features (Continued)

• Programmable LED outputs for link, activity, and

speed

• Baseline wander correction

• LinkMD TDR-based cable diagnostic to identify faulty

copper cabling

• Parametric NAND tree support to detect faults

between chip I/Os and board

• Loopback modes for diagnostics

• Automatic MDI/MDI-X crossover to detect and correct

pair swap at all speeds of operation

• Automatic detection and correction of pair swaps, pair

skew, and pair polarity

• MDC/MDIO management interface for PHY register

configuration

• Interrupt pin option

• Power-down and power-saving modes

• Operating voltages

– Core (DVDDL, AVDDL, AVDDL_PLL):

1.2V (external FET or regulator)

– VDD I/O (DVDDH):

3.3V, 2.5V, or 1.8V

– Transceiver (AVDDH):

3.3V or 2.5V (commercial temp)

• Available in a 48-pin QFN (7mm × 7mm) package

Applications

• Laser/network printer

• Network attached storage (NAS)

• Network server

• Gigabit LAN on motherboard (GLOM)

• Broadband gateway

• Gigabit SOHO/SMB router

• IPTV

• IP set-top box

• Game console

• Triple-play (data, voice, video) media center

• Media converter

Ordering Information

Part Number

KSZ9031RNXCA

KSZ9031RNXCC(1)

KSZ9031RNXIA(1)

KSZ9031RNXIC(1)

KSZ9031RNXUA(1)

KSZ9031RNXVA(1)

Temperature

Range

0°C to 70°C

0°C to 70°C

−40°C to 85°C

−40°C to 85°C

−40°C to 85°C

−40°C to 105°C

KSZ9031RNX-EVAL 0°C to 70°C

Note:

1. Contact factory for availability.

Package

48-Pin QFN

48-Pin QFN

48-Pin QFN

48-Pin QFN

48-Pin WQFN

48-Pin WQFN

48-Pin QFN

Lead

Finish

Pb-Free

Pb-Free

Pb-Free

Pb-Free

Pb-Free

Pb-Free

Pb-Free

Wire

Bonding

Gold

Copper

Gold

Copper

Gold

Gold

Description

RGMII, Commercial Temperature, Gold Wire

Bonding

RGMII, Commercial Temperature, Copper Wire

Bonding

RGMII, Industrial Temperature, Gold Wire

Bonding

RGMII, Industrial Temperature, Copper Wire

Bonding

RGMII, AEC-Q100 Automotive Qualified to 85°C,

Gold Wire Bonding

RGMII, AEC-Q100 Automotive Qualified to

105°C, Gold Wire Bonding

KSZ9031RNX Evaluation Board

(Mounted with KSZ9031RNX device in

commercial temperature)

May 14, 2015

2

Revision 2.2

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