Parameters | |
---|---|
Series | - |
Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
RoHS Status | ROHS3 Compliant |
Package / Case | 48-VFQFN Exposed Pad |
Mfr | Microchip Technology |
Mounting Type | Surface Mount |
Operating Temperature | 0°C ~ 70°C |
Type | Transceiver |
Data Rate | - |
Supplier Device Package | 48-QFN (7x7) |
Voltage - Supply | 1.8V, 2.5V, 3.3V |
Protocol | Ethernet |
Number of Drivers/Receivers | 4/4 |
Duplex | Full |
Package | Tray |
Product Status | Obsolete |
Base Product Number | KSZ9031 |
REACH Status | REACH Unaffected |
Standard Package | 260 |
ECCN | 5A991B1 |
HTSUS | 8542.39.0001 |
KSZ9031RN Gigabit Ethernet PHY 4/4 Transceiver 48-QFN
The KSZ9031RN from Microchip Technology (formerly Micrel) is a highly integrated single-port 10/100/1000BASE-T Gigabit Ethernet PHYceiver designed for high-performance networking applications, featuring advanced cable diagnostics, robust ESD protection, and comprehensive power management capabilities. This third-generation PHY incorporates sophisticated DSP technology to deliver exceptional signal integrity over CAT 5/6/7 cabling while maintaining full compliance with IEEE 802.3, 802.3u, 802.3ab, and 802.3az Energy Efficient Ethernet standards. The device supports RGMII, GMII, and MII interfaces with programmable output timing adjustments, making it ideal for a wide range of applications including switches, routers, network adapters, and embedded systems requiring reliable Gigabit Ethernet connectivity with minimal board space and power consumption.
Application Scenarios
The KSZ9031RN is widely deployed in enterprise networking equipment, industrial automation systems, set-top boxes, digital televisions, and embedded computing platforms where reliable Gigabit Ethernet connectivity is essential. Its advanced features make it ideal for network switches, routers, gateways, network interface cards, and server motherboards requiring high-speed data transmission. The device's robust design and diagnostic capabilities make it particularly valuable in industrial applications including factory automation, process control, and surveillance systems, while its energy-efficient operation supports green networking initiatives in data centers and commercial infrastructure where power conservation is critical.
Alternative Industrial Ethernet PHY ICs
● KSZ9021RN: A previous-generation Gigabit Ethernet PHY with similar features but slightly higher power consumption and reduced cable diagnostic capabilities.
● KSZ9131RN: An enhanced version with integrated voltage regulators and additional power management features for simplified power supply design.
● DP83867IR: Texas Instruments' robust Gigabit Ethernet PHY offering enhanced industrial temperature performance and advanced cable diagnostics.
● AR8031: Qualcomm's competitive Gigabit Ethernet transceiver featuring low power consumption and comprehensive link diagnostics for networking applications.