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Product Detailed Parameters
- Description：IC TELECOM INTERFACE
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Function：Ethernet Switch
- Interface：GMII, SerDes, TBI
- Number of Circuits：1
- Voltage - Supply：1.14V ~ 1.26V, 1.7V ~ 1.9V, 2.37V ~ 2.63V, 3.13V ~ 3.47V
- Current - Supply：774mA
- Operating Temperature：0°C ~ 90°C
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Power (Watts)：-
- Grade：-
- Qualification：-
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Overview
The VSC8664EV is a development board for the VSC8664, a quad-port Gigabit Ethernet PHY. It integrates four 10/100/1000BASE-T copper ports and dual 1.25 Gbps SerDes supporting 100BASE-FX and 1000BASE-X fiber standards. The device provides dual recovered clock outputs compliant with ITU-T G.8261/Y.1361 for Synchronous Ethernet applications. Key interfaces include SGMII MAC connections, MIIM management, JTAG boundary scan, and an integrated I2C multiplexer for SFP control. Operating temperatures range from 0°C to +90°C.
Feature Summary
- Dual recovered clock outputs enable carrier-quality synchronous Ethernet timing with programmable squelch control.
- Integrated I2C multiplexer manages SFP modules or Power-over-Ethernet devices without external serial controllers.
- VeriPHY cable diagnostics provide detailed network cable information including length and fault location.
- Advanced SerDes architecture maximizes receive jitter tolerance while minimizing transmit jitter.
Applications
- Copper and fiber-based synchronous Ethernet systems
- SGMII-to-SFP designs
- Multiport, SGMII-based Gigabit Ethernet (GbE) designs
Procurement Notes
Verify the specific revision level of the VSC8664EV reference design against current Microchip documentation. Confirm that the included components match the intended application requirements. Ensure compatibility with target MAC interfaces and power supply specifications before integration into final hardware designs.
Selection Notes
Select this evaluation platform when validating Synchronous Ethernet timing performance or testing SGMII-to-fiber conversion logic. It serves as a comprehensive reference for layout guidelines regarding high-speed SerDes traces and twisted pair impedance matching. Use it to verify VeriPHY diagnostic functionality and fast link failure indication features.
Part Context
The VSC8664EV is part of the Vitesse Semiconductor portfolio, now under Microchip Technology. It represents the SparX family of networking solutions designed for cost-effective deployment in telecommunications infrastructure. This board facilitates the transition from RGMII/GMII layouts to simpler SGMII designs with integrated clock recovery capabilities.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
FAQ
What synchronization standards does the VSC8664 support?
The VSC8664 supports ITU-T Recommendation G.8261/Y.1361 and IEEE-1588 synchronous Ethernet applications through its dual recovered clock outputs.
How does the VSC8664 handle link failure detection?
It features a patent-pending fast link fail indication that can signal the onset of a link failure in less than 1 ms, which is critical for synchronization timing.
Does the VSC8664 require an external controller for SFP modules?
No, it includes an integrated quad I2C multiplexer to control SFPs or PoE modules, eliminating the need for an external two-wire serial device.
