Features
• Quad-Port Gigabit Ethernet Transceiver
• QSGMII/Q-USGMII Version 1.3 MAC Interface
• Synchronous Ethernet (SyncE) Support
- Two configurable recovered clock outputs
- Fast Link Failure (FLF) indication
• Jumbo Frame Support Up to 16 KB
• Clocked from Crystal or External 25/125 MHz Reference
Clock Input
• Time Sensitive Networking (TSN) Frame Preemption
support per IEEE 802.3™-2018 clause 99
• 1588™-2008/PTP
- Layer 2, UDP/IPv4 and UDP/IPv6 formats
- Tagged and non-tagged frame formats
- One-step and two-step modes of operation
- ±8 ns PTP accuracy
- OC TimeTransmitter/TimeReceiver, BC, and
TC all supported
• IEEE 802.3-2018 Energy Efficient Ethernet (EEE)
• Two Programmable LED Outputs per Port for
Link, Activity, and Speed
• Coma mode to Eliminate Port Link Bouncing at
Startup and Synchronize LEDs
• 24 GPIOs
• LinkMD® TDR-based Cable Diagnostic to Identify
Faulty Copper Cabling
• Signal Quality Indication
• Loopback modes for Diagnostics
• Automatic MDI/MDI-X Crossover to Detect and
Correct Pair Swaps, Pair Skew, and Pair Polarity
• Shared Management Data Input/Output (MDIO)
Interface for PHY Register Configuration
• Interrupt Pin Option
• Die Temperature Monitor
• Power-Down and Power-Saving Modes
- Energy Detect Power Down
- Chip Power Down
- EEE Low Power Idle mode
- Smart power savings up to 20 mW for cables
<70m
• Operating Voltages
- Digital Core (VDDCORE): 1.21V
- Analog Operation: 1.21V (VDDAL)
and 2.5V, 3.3V (VDD33REF)
- VDD I/O (VDDIO): 3.3V, 2.5V, or 1.8V
- Transceiver (VDDAH): 3.3V or 2.5V
• 128-pin TQFP (14 × 14 mm body) Package
• Temperature Support
- Commercial temperature range (0 to +85°C)
- Industrial temperature range (-40 to +85°C)

Target Applications
• Enterprise/SMB Switches
• Industrial Switches
• Cellular Infrastructure
• Routers
• Wi-Fi Access Points
• Gateways
• FPGA Based Systems
• General Embedded