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Product Detailed Parameters
- Description：IC SWITCH 16PORT GBE PHY HSBGA
- Series：*
- Mfr：Microchip Technology
- Package：Tray
- Applications：-
- Multiplexer/Demultiplexer Circuit：-
- Switch Circuit：-
- Number of Channels：-
- On-State Resistance (Max)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- -3db Bandwidth：-
- Features：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The VSC7391XHO is an Ethernet IC manufactured by Microchip Technology, classified under Ethernet Switches. It integrates a 16-port Gigabit Ethernet switch with an embedded 8-port PHY. The device supports data rates of 10 Mb/s, 100 Mb/s, and 1 Gb/s. It features eight transceivers and offers interface compatibility with MII, Parallel, RS-232, and Serial protocols. The component operates within power supply voltage ranges of 1.2 V and 3.3 V for both minimum and maximum specifications. Designed for surface mount (SMD/SMT) installation, it belongs to the Communication & Networking ICs sub-category.
Feature Summary
- Integrates a 16-port Gigabit Ethernet switching fabric with an embedded 8-port physical layer transceiver block.
- Supports multi-speed operation across 10/100/1000 Mb/s Ethernet standards.
- Provides flexible interface connectivity through MII, Parallel, RS-232, and Serial protocol support.
Applications
- Telecommunications network infrastructure equipment
- Enterprise and industrial Ethernet switching systems
- Broadband router implementations requiring integrated PHY capabilities
Procurement Notes
Availability for the VSC7391XHO is currently restricted. Major distributors such as Mouser indicate that this part number is not actively stocked or sold in many regions. The component may be subject to limited sales volumes or require special factory ordering arrangements. Engineers should verify current supply status directly with authorized Microchip representatives or distributors before initiating design-in processes.
Selection Notes
When evaluating the VSC7391XHO, designers must account for its specific dual-voltage requirements of 1.2 V and 3.3 V. The integration of 8 built-in PHY ports reduces external component count but necessitates careful PCB layout for the remaining 8 switch-only ports. Interface selection between MII, Parallel, RS-232, and Serial depends on the host processor capabilities. Thermal management and signal integrity for high-speed Gigabit traces are critical considerations for this SMD/SMT package.
Part Context
The VSC7391XHO belongs to the SparX-G5e family of integrated switches from Microchip Technology. This series targets cost-sensitive and space-constrained applications by combining switching logic with physical layer transceivers. The 'XHO' suffix typically denotes specific packaging and temperature grade variations within the product line, distinguishing it from other pin-compatible or functionally similar variants in the broader SparX portfolio.
Replacement Considerations
Direct replacements within the SparX-G5e family include the VSC7395 series, which offers different port configurations such as 5+1 port options. Designers should consult Microchip's official cross-reference documentation to identify compatible parts with matching pinouts and electrical characteristics. Verification of interface compatibility and voltage levels is essential when substituting this component.
