KSZ9021RN

Designed for high-speed Ethernet connectivity in automotive and industrial applications, the KSZ9021RN boasts impressive features that set it apart from traditional PHYs. Its low power consumption and support for advanced power management features make it an attractive choice for energy-sensitive environments, while auto-negotiation and auto MDI/MDIX support simplify integration into diverse network setups. The device's compact footprint and wide temperature range further enhance its versatility and durability, making it a reliable option for space-constrained applications and harsh operating conditions

Key Features

• Single-chip 10/100/1000Mbps IEEE 802.3 compliant Ethernet Transceiver
• RGMII interface compliant to RGMII Version 1.3
• RGMII I/Os with 3.3V/2.5V tolerant and programmable timings to adjust and correct delays on both Tx and Rx paths
• Auto-negotiation to automatically select the highest link up speed (10/100/100Mbps) and duplex (half/full)
• On-chip termination resistors for the differential pairs
• On-chip LDO controller to support single 3.3V supply operation – requires only external FET to generate 1.2V for the core
• Jumbo frame support up to 16KB
• 125MHz Reference Clock Output
• Programmable LED outputs for link, activity and speed
• Baseline Wander Correction
• 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
• Automatic MDI/MDI-X crossover for detection and correction of pair swap at all speeds of operation
• Automatic detection and correction of pair swap, 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: 1.2V (external FET or regulator)
• I/O: 3.3V or 2.5V
• Transceiver: 3.3V
• Available packages
• 64-pin E-LQFP (10mm x 10mm): KSZ9021RL
• 48-pin QFN (7mm x 7mm): KSZ9021RN