LAN9514-JZX-TR

Controllers Overview

The LAN9514-JZX-TR is a high-performance Hi-Speed USB 2.0 hub integrated with a 10/100 Ethernet controller, manufactured by Microchip Technology. It features four downstream and one upstream USB port, utilizing an integrated USB 2.0 PHY for each connection. The device includes a fully compliant 10/100 Ethernet MAC and PHY supporting full-duplex operation and HP Auto-MDIX. Designed to minimize bill of materials cost, it operates on a single 25 MHz crystal and incorporates a built-in Power-On-Reset circuit. The component supports bus-powered and self-powered configurations, offering flexible power management modes and comprehensive peripheral interfaces including GPIOs and JTAG.

Controllers Feature Summary

• Integrates a USB 2.0 hub with four downstream ports and one upstream port, featuring programmable port mapping, swap capabilities, and adjustable signal drive strength.
• Includes a 10/100 Ethernet controller with an integrated MAC and PHY, supporting IEEE 802.3 standards, auto-negotiation, and TCP/UDP checksum offload.
• Provides an EEPROM controller for automatic loading of static configuration data, USB descriptors, and MAC addresses upon reset.
• Supports multiple power management suspend modes (SUSPEND0, SUSPEND1, SUSPEND2) to balance remote wakeup functionality with power consumption.

Controllers Applications

• Desktop PCs
• Notebook PCs
• Printers
• Game Consoles
• Docking Stations

Controllers Procurement Notes

Verify the specific suffix -JZX-TR against official documentation to confirm package type and temperature range variations. Ensure compatibility with required operating voltage levels and interface protocols before integration. Cross-reference the datasheet revision history for any silicon errata or operational updates relevant to this specific manufacturing lot.

Controllers Selection Notes

Select this component when a combined USB hub and Ethernet solution is required to reduce system complexity and BOM cost. Consider its support for mixed-speed peripherals and individual port power control. Evaluate the available GPIOs and LED indicators for system status monitoring needs. Confirm that the 64-pin QFN package fits the target PCB layout constraints.

Controllers Part Context

The LAN9514 series serves as a connectivity bridge in embedded systems, combining USB expansion with network access. It targets applications requiring compact, low-cost solutions for peripheral connectivity and data transmission. The device simplifies design by integrating essential controllers into a single chip, reducing the need for external discrete components.

Controllers Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Ensure functional equivalence regarding pinout, electrical characteristics, and software compatibility before substitution.