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See Technical Specifications

KSZ8051RNLI +BOM

Single Channel Ethernet Physical Layer Transceiver

Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet Transceiver
MII Interface support (KSZ8051MNL)
RMII v1.2 Interface support with 50MHz reference clock output to MAC, and option to input 50MHz reference clock (KSZ8051RNL)
Back-to-Back mode support for 100Mbps copper repeater or media converter
MDC/MDIO Management Interface for PHY register configuration
Programmable interrupt output
LED outputs for link, activity and speed status indication
On-chip termination resistors for the differential pairs
Baseline Wander Correction
HP Auto MDI/MDI-X for reliable detection and correction for straight-through and crossover cables with disable and enable option
Auto-negotiation to automatically select the highest link up speed (10/100 Mbps) and duplex (half/full)
Power down and power saving modes
LinkMD® TDR-based cable diagnostics for identification of faulty copper cabling
Parametric NAND Tree support for fault detection between chip I/Os and board.
Loopback modes for diagnostics
Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V
Built-in 1.2V regulator for core
Available in 32-pin (5mm x 5mm) QFN package

ECCN (US)	5A991	Part Status	Obsolete
Automotive	No	PPAP	No
Number of Channels per Chip	1	Maximum Data Rate	100Mbps
PHY Line Side Interface	No	JTAG Support	No
Integrated CDR	No	Standard Supported	10BASE-T\|100BASE-TX\|IEEE 802.3
Typical Data Rate (Mbps)	10/100	Ethernet Speed	10Mbps/100Mbps
Ethernet Interface Type	MII/RMII	Minimum Operating Supply Voltage (V)	3.135
Typical Operating Supply Voltage (V)	3.3	Maximum Operating Supply Voltage (V)	3.465
Maximum Supply Current (mA)	48.9(Typ)	Power Supply Type	Analog
Minimum Operating Temperature (°C)	-40	Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial	Mounting	Surface Mount
PCB changed	32	Pin Count	32