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Automotive Grade 1, low-power 100BASE-T1 Ethernet PHY transceiver with xMII support & diagnostic too

DP83TC811SWRNDRQ1 General Description

In conclusion, the DP83TC811S-Q1 sets a new standard for automotive PHYTER™ Ethernet transceivers, offering unparalleled functionality, flexibility, and reliability. With its robust feature set, including xMII support, Diagnostic Tool Kit, ESD monitoring, and PRBS frame generation, this device empowers automotive engineers to build robust communication systems with confidence. Its compact form factor further enhances its appeal, making it a standout choice for next-generation automotive networking solutions

Key Features

  • 100BASE-T1 – IEEE 802.3bw Compliant
    • OPEN Alliance Qualified
    • Interoperable With BroadR-Reach and 100BASE-T1 PHYs
  • AEC-Q100 Qualified for Automotive Applications:
    • Device Temperature Grade 1: –40°C to +125 °C Ambient Operating Temperature
    • Device HBM ESD Classification Level 3A
    • Device CDM ESD Classification Level C5 for All Pins Except Pin 5
    • Device CDM ESD Classification Level C3 for Pin 5
    • Device IEC61000-4-2 ESD Classification Level 4 for Pins 12 and 13: ±8-kV Contact Discharge
  • MAC Interfaces: MII, RMII, RGMII and SGMII
  • VQFN, Wettable Flank Packaging
  • IEEE 1588 SFD Support
  • Low Transmit and Receive Latency for AVB/TSN
  • Low Active Power Operation: < 230 mW
  • Configurable I/O Voltages: 3.3 V, 2.5 V, and 1.8 V
  • Power Savings Features:
    • Sleep, Standby and Disable
    • Wake-on-LAN (WoL)
  • Diagnostic Tool Kit
    • Signal Quality Indication (SQI)
    • Time Domain Reflectometry (TDR)
    • Electrostatic Discharge Sensor
    • Voltage Sensor
    • Temperature Sensor
    • PRBS Built-In Self-Test


Datarate (Mbps) 100BASE-T1 Interface type MII, RGMII, RMII, SGMII
Number of ports Single Rating Automotive
Features 25-MHz clock out, Cable diagnostics, JTAG1149.1, Single supply, WoL I/O supply voltage (typ) (V) 1.8, 2.5, 3.3
Operating temperature range (°C) -40 to 125 Number of LEDs 2
ESD HBM (kV) 8

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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