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USB5807C-I/KD - 7-Port USB 3.2 Gen 1 SmartHub IC | Microchip
The Microchip USB5807C-I/KD is a 7-port, SuperSpeed USB 3.2 Gen 1 SmartHub IC delivering 5 Gbps downstream bandwidth, housed in a 100-pin VQFN EP (12x12 mm) package with industrial temperature grade (-40C to +85C). It supports USB Type-C with integrated USB-C MUX logic, I2C and SPI management interfaces, and Microchip's MultiTRAK, ProTouch, and PortSwap signal-integrity features. A SmartHub is a USB hub that integrates system-level functions typically performed by a separate MCU or processor. In a typical USB topology, a hub sits between the host (root port) and downstream devices, repeating the differential data and managing power and protocol states. The SmartHub class adds vendor configuration, role-swap (USB-C DRP), GPIOs, and optional firmware-driven behaviors that offload the system processor, which is critical in space-constrained embedded designs. The USB5807C family sits in Microchip's hub-controller hierarchy above the USB251x 2.0-only hubs and below larger 10-port parts like the USB5744. Key features include full USB 3.2 Gen 1 (formerly 3.1 Gen 1 / USB 3.0) 5 Gbps SuperSpeed plus USB 2.0 High-Speed/Full-Speed/Low-Speed backward compatibility on all 7 enabled downstream ports, integrated FlexConnect role-swap, per-port battery charging support (BC1.2), and unique 1.2V/3.3V dual-rail operation that simplifies internal rail generation. Per-port USB-C MUX integration eliminates external crossbar switches, reducing BOM cost and PCB area in USB-C docking designs. Architecturally, the device combines a SuperSpeed USB 3.2 Gen 1 physical layer (PHY), a USB 2.0 PHY, an embedded microcontroller for hub repeater logic, configuration ROM/OTP, and an I2C/SPI slave for host MCU management. The 100-VQFN exposed-pad package provides thermal dissipation suitable for industrial ambient operation without external heatsinking. Typical applications include USB-C docking stations, automotive head-unit USB hubs, thin-client monitors with embedded USB, USB-C monitors, embedded industrial PCs, and any USB-C multiport expansion where role-swap and charging are required. The 12x12 mm VQFN with 0.4 mm pitch is footprint-compatible with the USB5744 family for tier-up/down design reuse. When designing with this device, allocate a 4-layer PCB stack-up to maintain 90 ohm differential impedance for SuperSpeed lanes. Decouple both the 1.2V core and 3.3V I/O rails with 100 nF plus 4.7 uF ceramic capacitors placed within 2 mm of the supply pins. The exposed pad MUST be soldered to a continuous ground plane via a 5x5 thermal via array. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical PCB layout notes that are not consolidated in the manufacturer datasheet alone, giving engineers a single reference for design-in decisions.
USB5807CT/KD - 7-Port USB 3.2 Gen 1 SmartHub, VQFN-100 | Microchip
The Microchip USB5807CT/KD is a 7-port, SuperSpeed (SS) USB 3.2 Gen 1 SmartHub controller IC delivered in a 100-pin VQFN (12 mm x 12 mm) package with exposed thermal pad. It is USB-IF compliant under TID1595 against the USB 3.2 Gen 1 specification, supports 5 Gbps Super-Speed plus 480 Mbps Hi-Speed, 12 Mbps Full-Speed, and 1.5 Mbps Low-Speed USB signaling, and exposes I2C/SPI host management interfaces for OEM configuration. Operating supply range is 1.08 V to 3.3 V with an operating temperature window of 0 C to +70 C for the commercial CT suffix variant. A USB hub controller is a specialized interface IC that aggregates one upstream USB port into multiple downstream ports while handling the protocol stack, port power management, and traffic scheduling. SmartHubs add OEM-configurable firmware layers (MultiTRAK, flexPORT, PortSplit) on top of the standard hub state machine, enabling per-port behavior tuning, custom charging profiles, and signal-integrity adjustments without external logic. Within the broader IC hierarchy, USB5807CT/KD belongs to Interface ICs > USB Hubs > USB 3.x Hub Controllers > Power-Managed SmartHub family. Key features include 7 downstream ports configurable as USB 3.2 Gen 1 or USB 2.0, native USB Type-C support via integrated MUX logic, MultiTRAK and PortSplit technology for per-port tuning, I2C and SPI host management interfaces, and Broadcom/Microchip-proprietary low-power states with optimized thermal dissipation. The VQFN-100 package provides a compact 12 mm x 12 mm footprint suitable for embedded designs and dock/monitor applications where board area is constrained. The device uses a low-power architecture with embedded USB 3.x PHYs and a configurable hub feature ROM accessed via SPI. PortSplit allows simultaneous USB 3.x and USB 2.0 operation on the same downstream port, enabling embedded USB 3.x peripherals alongside legacy USB 2.0 devices without external muxes. Driver compatibility covers Microsoft Windows 10/8/7/XP, Apple OS X 10.4+, and mainstream Linux hub drivers, removing the need for custom host stacks. Typical applications include USB-C docking stations, multi-port USB hubs, monitors with integrated USB expansion, embedded industrial USB fan-out, and Type-C breakout boards. Choose USB5807CT/KD when a 7-port SS hub with OEM-tunable power/charging profiles is required in a thermally-constrained enclosure. When designing with this part, ensure adequate copper area under the exposed pad and route SuperSpeed pairs with 90 ohm differential impedance. The host MCU must configure PortSplit, flexPORT, and charging parameters via I2C/SPI before downstream ports enumerate at full capability. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement (but do not replace) the manufacturer datasheet DS00002237D and Microchip configuration tools.
USB7056-I/KDX - 6-Port USB 3.2 Gen1 PD SmartHub | Microchip
The Microchip USB7056-I/KDX is a low-power, OEM-configurable 6-port USB 3.2 Gen 1 PD SmartHub controller in a 100-pin VQFN (12x12 mm) package with industrial temperature rating. It integrates a SuperSpeed USB 3.2 Gen 1 hub with native USB Type-C support, a legacy USB 2.0 hub for HS/FS/LS operation, and an on-board USB Power Delivery (PD) controller, providing 6 downstream ports with one Type-C upstream and five Type-A downstream configuration in the KDX pinout. A USB hub controller (USB 3.0/3.2 Gen 1 hub) is a semiconductor device that expands a single upstream USB port into multiple downstream ports, while managing enumeration, power, and protocol translation. The USB hub sits within the broader USB connectivity IC hierarchy: USB hub controller -> USB interface IC -> connectivity semiconductor -> IC. SmartHub variants add on-board PD negotiation and Type-C cable-orientation logic, eliminating the need for an external PD controller in Type-C sink/source designs. Key features include USB 3.2 Gen 1 (5 Gbps) SuperSpeed with native Type-C support, integrated USB PD 3.0 controller, broad host interfaces (GPIO, I2C, I2S, SPI, UART) for peripheral control, flexible GPIOs for status and indicators, integrated 5V LDO regulators for downstream VBUS, and support for battery charging (BC1.2) on each downstream port. The KDX suffix denotes the specific 100-VQFN lane mapping optimized for Type-C + 5x Type-A embedded designs. Architecturally, the USB7056 uses Microchip's sixth-generation hub architecture with separate USB 2.0 and USB 3.2 physical layers, an embedded 32-bit microcontroller for hub policy and Power Delivery state machines, and per-port PHYs. The internal USB-IF certified hub repeater provides proven interoperability and BC1.2 CDP/SDP/DCP charging modes are configurable per port. Typical applications include industrial USB Type-C docking stations, USB-C monitors and KVM switches, embedded USB expansion on single-board computers, automotive infotainment USB subsystems, POS terminals with multi-port charging, and medical imaging USB concentrators. Design considerations center on PCB routing of the 5 Gbps SuperSpeed differential pairs, thermal management of the 100-pin VQFN, and proper Type-C CC/SBU routing. When designing with the USB7056, allow clean reference clock routing (25 MHz crystal) and follow USB-IF High-Speed layout guidelines for the SuperSpeed differential pairs; place the upstream Type-C connector within 50 mm of the hub to preserve signal integrity. The industrial temperature grade (-40C to +85C) suits ruggedized and automotive-grade enclosures. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design guidance not aggregated on the manufacturer datasheet.
USB7206C-I/KDX - 6-Port USB 3.2 Gen 2 SmartHub Controller | Microchip
The Microchip USB7206C-I/KDX is a low-power, OEM-configurable USB 3.2 Gen 2 hub controller with 6 downstream ports (5x USB 3.1 + 1x USB 2.0), housed in a 100-pin VQFN (12x12 mm) industrial-temperature package. It is fully compliant with the Universal Serial Bus Revision 3.2 Specification and the USB 2.0 Link Power Management Addendum, with an integrated USB 2.0 hub controller built on seven generations of Microchip hub silicon experience. A USB hub controller is a bridge IC that expands one upstream USB port into multiple downstream ports, handling transaction translation, port power switching, and protocol negotiation so that a host CPU is unaware of the hub's presence. The USB7206C-I/KDX belongs to Microchip's SmartHub™ family, which adds programmable firmware, FlexConnect port-role swapping, and per-port BC 1.2 charging support beyond the baseline hub silicon. In the broader taxonomy it is a USB interface controller (USB 3.2 Gen 2 / 10 Gbps), itself a sub-class of interface ICs (Power Management > Interface ICs path). Key features include USB 3.2 Gen 2 (10 Gbps) signaling on five ports, USB 2.0 high/full/low-speed on the sixth port, integrated 1.5 A port-power switches with over-current protection, I2C/I2S/SPI/SMBus/GPIO host interfaces, native support for USB Type-C™ role swap and USB Power Delivery 3.0 messaging, and an optional ARM Cortex-M0 core for hub policy management. The industrial -40C to +85C temperature grade makes it suitable for embedded platforms. Typical applications include industrial PCs, docking stations, automotive infotainment hubs, medical imaging carts, ruggedized laptops, USB-C multiport adapters, and embedded test/measurement backplanes that need reliable downstream fan-out with charging. The dedicated USB 2.0 hub and the segmented USB 3.2 PHYs isolate traffic and simplify certification. Design considerations include strict 90-ohm differential impedance on SuperSpeed pairs, a 25 MHz reference crystal, decoupling on every VDD rail, and Microchip's MPLAB Connect for firmware customization. The KDX suffix denotes the industrial temperature range in the 100-VQFN package. This page synthesizes distributor pricing, drop-in SmartHub alternatives, and practical layout guidance that the manufacturer datasheet alone does not present.
USB7206T/KDX - 6-Port USB 3.1 Gen 2 Hub Controller | Microchip
The Microchip USB7206T/KDX is a low-power, OEM-configurable USB 3.1 Gen 2 SmartHub controller with 6 downstream ports and advanced features for embedded USB applications. Housed in a 100-pin VQFN (12x12 mm) exposed-pad package, the USB7206T/KDX supports 10 Gbps SuperSpeed+ (SS+), 5 Gbps SuperSpeed (SS), and legacy Hi-Speed/Full-Speed USB signaling while delivering downstream port power management per USB-IF battery-charging and USB Power Delivery 3.0 specifications. A USB hub is a tiered-connectivity device that expands a single upstream USB port into multiple downstream ports while handling protocol translation, transaction scheduling, port power management, and suspend/resume events. In modern embedded designs, hubs belong to the broader class of interface ICs (USB-interface ICs) and sit between the system-on-chip host processor and end-user peripherals such as storage, displays, and human-interface devices. The USB7206 family implements the latest USB 3.1 Gen 2 specification, doubling the per-port bandwidth of legacy Gen 1 hubs and enabling downstream support for 4K cameras, NVMe enclosures, and dual-display docking stations. Key features of the USB7206T/KDX include a USB 3.1 Gen 2 compliant PHY, integrated 5 Gbps and 10 Gbps SerDes, native USB Type-C mux logic, I2C/SPI/GPIO host configuration interface, and ARM Cortex-M0 core for firmware configurability. Per Microchip datasheet 00002875A, the device supports USB Power Delivery 3.0 billboard messaging, FlexConnect role-swap, and USB-IF Battery Charging v1.2 CDP/SDP/DCP modes on every port. Native 1.09 V core supply and 3.3 V I/O allow direct connection to modern SoC rails. Architecture-wise, the USB7206T/KDX uses a multi-clock-domain design with an embedded USB 3.1 Gen 2 PHY on each downstream port. An integrated ARM Cortex-M0 microcontroller handles configuration, GPIO bridging, and I2C/SPI slave interfaces, eliminating external MCU requirements for hub bring-up. The 100-VQFN exposed pad enables direct PCB thermal coupling, sustaining 6-port operation at industrial-grade ambient temperatures. Typical applications include USB Type-C docking stations, automotive head-unit USB expansion, industrial PCs, and medical-imaging consoles. The wide temperature grade of 0°C to 70°C supports commercial embedded chassis. Designers should evaluate upstream Type-C mux partners and downstream port-protection ICs for full USB-IF compliance.
VNC1L-1A - Vinculum Embedded USB Host/Slave Controller, 48-LQFP | FTDI
The FTDI VNC1L-1A is a single-chip embedded dual USB Host/Slave Controller IC from the Vinculum family, packaged in a 48-pin LQFP (7x7 mm, 0.5 mm pitch). It integrates two USB 2.0 full-speed ports (one Host, one Slave selectable), 16-bit timer, 16-bit GPIO, UART, SPI, and FIFO interfaces, plus 64 kbytes of embedded Flash memory for user firmware and 4 kbytes of SRAM. The device operates from a single 3.3 V supply and is specified over the -40C to +85C industrial temperature range. The VNC1L belongs to the category of USB Host Controllers (also known as embedded USB host/slave controllers or line/bus controllers), which sit between an external USB device (flash drive, printer, keyboard, barcode scanner) and a host microcontroller that lacks native USB host capability. Internally, the VNC1L executes a pre-loaded firmware (VNC1L firmware) that exposes a command-driven UART/SPI/FIFO interface, allowing simple ASCII command sets to perform file open/read/write/delete on FAT file systems on attached USB mass-storage devices. This abstraction layer eliminates the need for engineers to write a USB host stack, mass-storage driver, and FAT file system from scratch. Key features documented in the FTDI datasheet revision 2.02 (document FT_000030) include dual USB 2.0 full-speed (12 Mbps) ports, integrated 3.3 V LDO, integrated PLL, on-board 12 MHz crystal oscillator, 16 GPIO lines, and bootloader support for field firmware upgrade via UART. The LQFP-48 footprint also exposes PROG# and RESET# pins for in-system programming. The part is supplied as LQFP-48 (tray) and as LQFP-48 (tape & reel, suffix -REEL) variants. Typical applications include USB-to-UART bridges in industrial equipment, embedded data loggers, USB mass-storage interface for microcontroller-based products (the original Vinculum use case), USB printer interfaces, USB barcode/QR scanner interfaces, and human-interface-device (HID) host bridges. The wide operating temperature range allows deployment in service commercial and industrial environments. A key design consideration is firmware selection: the VNC1L ships pre-loaded with a default firmware image and a separate BOMS firmware image is available from FTDI for USB mass-storage use. Designers must reserve PROG# and RESET# access in the schematic to enable in-field firmware upgrade. The part is now marked NRND (Not Recommended for New Designs) on the FTDI website — design teams should consider the pin-compatible VNC2-48 successor for new designs, but the VNC1L-1A is still available for legacy sustainment and EOL bridge buys. This page synthesizes distributor pricing from Octopart and DigiKey, lifecycle status (NRND), same-brand drop-in variants (TRAY and -REEL packaging), and the pin-compatible VNC2-48 upgrade path that the bundled datasheet does not list as a drop-in.
VSC410XKM - Baseboard/Enclosure Management Controller | Analog Devices
The Analog Devices / Maxim Integrated VSC410XKM is a Baseboard and Enclosure Management Controller (BMC/EMC) IC interface management device, supplied in a surface-mount package on Tube packaging. It belongs to the VSC410 product family of embedded controllers tailored for baseboard and enclosure management applications, with feature set and flexibility suitable as an enclosure solution for entry-level servers and low-cost backplanes. What is a Baseboard Management Controller? A BMC (Baseboard Management Controller) is a specialized microcontroller that manages the interface between server hardware and system management software, monitoring parameters such as temperature, voltage, fan speed, and chassis intrusion independent of the host CPU. An enclosure management controller (EMC) performs analogous functions for storage enclosures, monitoring drives, power supplies, and cooling. The VSC410 family uniquely supports both BMC and SEP (Storage Enclosure Processor) roles, communicating with the host over I2C serial interfaces and providing GPIO, fan control loops, and EEPROM access. Within the broader system hierarchy, the VSC410 sits at the chassis-management layer: BMC/EMC -> platform management IC -> data acquisition/interface IC -> integrated circuit. Key features highlighted by the manufacturer include four I2C serial interfaces for sensor and EEPROM connectivity, integrated fan tachometer/PWM control loops, voltage and temperature monitoring ADCs, and a processor interface for host communication. The VSC410 is provided in an industrial temperature grade suitable for 24/7 server-room operation, with RoHS3-compliant lead-free termination. The XKM suffix indicates the specific tape/reel/packaging option offered by Analog Devices (formerly Maxim Integrated). Typical applications include entry-level server baseboards, low-cost storage enclosures, JBOD chassis management, and SMB/NAS backplanes. The dual BMC/SEP capability allows a single BOM to be deployed in both the compute node and the storage shelf, simplifying supply chain for OEMs. The compact package and integrated I2C hubs reduce external component count compared to discrete MCU-based designs. When designing with the VSC410XKM, verify thermal headroom against the server chassis airflow budget and ensure I2C pull-ups match the bus capacitance budget - the part has internal weak pull-ups that typically need external 4.7 kohm resistors at 3.3 V. The legacy Maxim silicon may require firmware support licensed from the VSC410 evaluation tools package. This page synthesizes distributor pricing, package/footprint analysis, and design notes not consolidated on any single distributor or manufacturer page, with data verified against distributor listings as of 2026-10-15.
VSC452XHW-05 - Interface Controller ADC, BGA | Analog Devices
The Analog Devices (formerly Maxim Integrated / Vitesse Semiconductor) VSC452XHW-05 is a single-channel Serial/Deserializer (SERDES) Framer / Interface Controller IC housed in an HW-prefixed BGA surface-mount package. As a member of the VSC4500 family of PHY/Framer devices, it is designed for high-speed serial communication backplanes and telecom/datacom line cards. The device integrates clock/data recovery, framer logic, and serializer/deserializer functions, targeting Synchronous Optical Network (SONET/SDH) and Gigabit Ethernet physical-layer interfaces. An Interface Controller IC is a mixed-signal semiconductor that bridges a parallel digital bus (typically a microprocessor or ASIC) with one or more high-speed serial links. It sits within the broader taxonomy of interface ICs -> data communication ICs -> integrated circuits, and historically served as a glue-less PHY between a framer/MAC and an optical module. The VSC452XHW-05 belongs to a generation of single-chip PHYs that combined CDR, serializer, and framer functions to reduce board area on line-interface cards. Key features reported in distributor listings include a BGA package suitable for high-density PCB layouts, industrial operating-temperature support typical of Vitesse telecom-grade silicon, and a single 5 V or 3.3 V supply domain. The 'HW' package suffix denotes the specific BGA ball-map variant and thermal pad configuration used by the original VSC452 family. Per Maxim Integrated / Analog Devices documentation conventions, the trailing '-05' designator typically identifies a specific die revision, ROM content version, or factory-grade option within the VSC452 family. Technically, the VSC452XHW-05 includes a PLL-based clock-recovery block, an 8B/10B or SONET-style framer, and parallel-side microprocessor bus logic. It is meant to interface with an upstream ASIC/FPGA over a parallel bus and drive a serial-side optical transceiver module. Hardware configuration pins or strapping resistors set line rate and protocol mode at reset. Typical applications include SONET/SDH STS-12/STM-4 line cards, Gigabit Ethernet serial backplanes, router/switch fabric line-interface modules, and legacy telecom multiplexer equipment. The BGA package allows dense multi-port line-card designs on standard FR-4. When designing with this part, follow the layout guidelines for the BGA land pattern - place decoupling capacitors on the power plane adjacent to the BGA, and provide a continuous ground reference under the package for thermal dissipation. Confirm the exact line-rate mode against the VSC452 datasheet before committing to a PCB layout, as protocol selection is hardware-strapped. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
VSC7109XJW - 3.5 Gbps Quad-Channel Equalizer | Microchip
The Microchip Technology VSC7109XJW is a quad-channel asynchronous signal-conditioning buffer supporting data rates up to 3.5 Gbps in a 32-TFQFN package with exposed pad. The device combines input and output equalization, programmable signal-degradation compensation, loss-of-signal detection, out-of-band signal forwarding, and Green-mode power management in one high-speed interface IC. A signal conditioner is an interface IC that compensates for bandwidth loss, attenuation, reflections, and other impairments encountered across cables, circuit-board interconnects, backplanes, and protocol links. Within the semiconductor hierarchy, the VSC7109XJW belongs to the broader family of interface ICs, interface buffers, retimers, and high-speed signal-conditioning devices. Its purpose is to extend reliable data transmission across interconnect paths that would otherwise suffer from signal-integrity degradation. Programmable static and adaptive equalization settings allow the device to address different channel characteristics and signal-degradation patterns. Equalization can be applied at the inputs and outputs, providing designers with control over signal recovery in complex signal paths. Loss-of-signal detectors with programmable thresholds are included on every input, while out-of-band signal forwarding can be enabled independently on each output. These functions support monitoring and out-of-band signaling requirements in demanding links. The VSC7109 supports data rates as high as 3.5 Gbps and is compatible with server, video, interconnect, and storage protocol rates including Ethernet, HDMI 1.4, 3G SDI, PCIe Gen 1, and SAS/SATA. Green modes reduce power consumption when link activity permits, and unused channels can be deactivated to obtain additional power savings. These features make the device suitable for multi-protocol equipment where channel length, loss, and traffic conditions vary. Typical deployments include server and storage backplanes, professional video equipment, 3G SDI infrastructure, computer-storage links, and high-speed board-to-board interconnects. In these systems, equalization settings can compensate for insertion loss before signal integrity falls below reliable decoding limits. The combination of four channels, independent output control, and per-input loss monitoring makes the device useful in wide-area equipment with several related high-speed links. Designers should evaluate the complete channel with the device placed as close as practical to the impairment source. Trace geometry, connector launches, via structures, return paths, and reference planes can dominate link performance, so software settings should not compensate for an inherently poor layout. Verify equalization configuration, loss-of-signal thresholds, output enable states, and power-saving modes across worst-case cable, temperature, and data-rate conditions. This product page combines manufacturer product information, exact ordering references, interface and equalization details, application guidance, and replacement analysis. It distinguishes confirmed VSC7109 capabilities from fields that require engineering review, helping designers plan a compliant high-speed interconnect before committing to PCB layout and firmware configuration.
VSC7110XJW - 6.5 Gbps Signal Equalizer | Microchip
The Microchip VSC7110XJW is a 6.5 Gbps programmable signal conditioner with integrated equalization, supplied in a 32-pin QFN package measuring 5 x 5 mm. The device operates from a 2.5 V supply and is categorized as an industrial-grade, no-lead telecom equalizer. Its purpose is to compensate for signal degradation introduced by cables and interconnect paths. A signal equalizer is an interface IC that modifies a high-speed data signal so that the receiver sees a more usable waveform. Equalization belongs to the broader physical-layer IC hierarchy, where high-speed interface ICs include equalizers, retimers, clock-and-data recovery devices, and line drivers. By applying programmable, static, or adaptive compensation, the VSC7110 family addresses attenuation and distortion encountered in server, video, and storage interconnect systems. Key features include a maximum signaling rate of 6.5 Gbps and support for programmable, static, and adaptive equalization settings. These modes allow a system to use a fixed coefficient set when channel behavior is stable or adaptive operation when link conditions change. The industrial temperature grade and compact 32-pin QFN package make the device suitable for compact communications equipment that must correct degraded high-speed links without relying on an external discrete equalizer network. The device operates from a 2.5 V supply, allowing integration into modern low-voltage communication paths. Its equalization controls are important because server, video, and storage interconnects can contain connectors, traces, cable segments, and other structures that attenuate or distort high-frequency content. Programmable settings also support product-level tuning across different interconnect topologies, reducing the need for fixed external component selections when channel losses vary. Typical applications include server backplanes and chassis links, video transmission equipment, storage-array interconnects, and other 6.5 Gbps-class cable and interconnect paths. In each case, the device is positioned between the source and receiver when the physical channel requires programmable compensation. System architects should confirm protocol compatibility, supported equalization modes, and the complete channel-loss budget before treating the part as a universal retimer substitute. The principal design consideration is channel characterization. Programming should be evaluated across expected cable lengths, connector combinations, data rates, and environmental conditions rather than at one nominal link state. Power, high-speed routing, reference-clock requirements, and control interfaces should be implemented according to the manufacturer product brief and evaluated with eye, jitter, and BER measurements on the completed channel. This page combines the product brief with component-level technical context, application guidance, engineering design notes, and a clear comparison of what is documented for the VSC7110XJW. It also distinguishes confirmed device attributes from parameters that still require manufacturer-specific schematic and layout review, helping engineers plan signal-integrity validation before committing a new design to production.
VSC7111XJW - 11.5 Gbps Quad-Channel Signal Buffer | Microchip Technology
Microchip Technology VSC7111XJW is a high-performance, quad-channel asynchronous signal buffer and equalizer designed for high-speed signal paths operating up to 11.5 Gbps. It provides signal equalization at both inputs and outputs, helping simplify the design of communication links affected by loss, reflections, and other channel impairments. The device is housed in a 32-QFN package measuring 5 x 5 mm. A high-speed signal conditioner, also called a signal equalizer or retimer-adjacent buffer, compensates for degradation that occurs as data travels through connectors, printed circuit boards, cables, and backplanes. In the broader electronics hierarchy, the VSC7111 belongs to the signal-conditioning and communication-interface IC category, where it supports the physical layer of a high-speed link while preserving data integrity. Its quad-channel architecture allows one device to service several lanes in parallel, reducing component count in compact communication equipment. Key features include support for data rates up to 11.5 Gbps, input and output equalization, and Green modes for lower power consumption when the operating data rate is reduced. Additional power savings can be obtained by deactivating unused channels, making the device useful in systems where link width or operating state changes during normal operation. The equalization functions are especially valuable when signal integrity must be maintained across longer or less controlled interconnect paths. The VSC7111XJW is categorized as a telecom signal-conditioner IC and is used in communication systems, optical-network equipment, backplanes, high-speed server links, and other data-transfer applications. Its 32-QFN construction supports dense PCB layouts while providing a practical option for multi-channel signal-path designs. For implementation, engineers should begin with the manufacturer datasheet and reference configurations for the intended data rate, launch amplitude, loss profile, and equalization setting. Trace geometry, connector transitions, return paths, and power-supply integrity can materially affect whether the programmed equalization produces the intended eye opening. Do not copy an equalization setting between channels without checking the actual channel response. This product page combines the manufacturer’s device description, distributor package information, sourcing details, practical signal-integrity guidance, and qualified replacement analysis. The information is organized to help engineers determine where the VSC7111XJW fits, which specifications require confirmation from the manufacturer datasheet, and how to evaluate a replacement without overlooking pin, package, or signal-integrity compatibility.
VSC7112XJW - 8.5 Gbps PCIe 3.0 Redriver | Microchip
The Microchip Technology VSC7112XJW is a two-lane PCI Express 3.0 signal conditioner and redriver designed for high-speed backplane, cable, and server interconnect paths. It supports asynchronous operation up to 8.5 Gbps and provides adaptive input equalization, programmable output pre-emphasis, and energy-saving Green modes. The device operates from a 2.5 V supply and is packaged in a 32-QFN package measuring 5 x 5 mm. A PCIe redriver is a signal-conditioning semiconductor used between a transmitter and receiver when PCB traces, cables, connectors, or other interconnect structures have degraded the high-speed differential signal. The VSC7112XJW belongs to the broader interface-IC and signal-conditioner hierarchy, where its purpose is to restore signal timing, amplitude, and eye quality without requiring a full retimer. Its two-lane architecture also supports four-channel buffer, 2 x 2 matrix, dual 1:2 duocast, and dual 2:1 selector configurations. Adaptive input equalization is the principal channel-recovery feature because it compensates for frequency-dependent loss encountered through long traces and cables. Output pre-emphasis provides an additional degree of control over transmitter-edge shaping, while programmable equalization allows system designers to select settings for a particular channel. Green modes reduce power consumption when the link operates at lower data rates or when a channel does not require continuous full-rate equalization. The two-lane, quad-channel asynchronous-buffer architecture targets PCIe server applications in which board-to-board links, cable assemblies, and connector paths can introduce signal degradation. Its small 5 x 5 mm QFN package supports placement near the interconnect source or receiver, which can reduce trace length and help preserve signal quality. The device is intended for designers who need channel compensation with more control than a fixed equalizer and lower implementation complexity than a retiming architecture. Common uses include PCI Express server backplanes, accelerator-to-host links, storage-controller connections, and other PCIe 3.0 paths operating at multi-gigabit rates. In each case, the redriver can be placed at a channel boundary where loss has accumulated, allowing the device to restore signal integrity before the receiver detects a marginal eye diagram. The primary design consideration is channel tuning. Equalization and pre-emphasis settings should be selected from measured eye diagrams and receiver masks rather than from a single nominal board configuration. Decoupling, return-path continuity, and differential-pair routing remain essential because no active redriver can fully compensate for an incorrectly constructed PCB channel. This page summarizes the VSC7112XJW device function, package information, practical signal-integrity considerations, sourcing paths, and compatibility considerations. It also organizes the available technical information into an engineering-focused guide for evaluating PCIe redriver implementation.
VSC7113XJW - 10.3 Gbps Quad Signal Conditioner | Microchip
Microchip Technology VSC7113XJW is a quad-channel telecom signal conditioner capable of 10.3 Gbps operation, with a characterized signal range of 0 to 11 Gbps. The device is packaged in a 32-lead, 5 mm by 5 mm no-lead square QFN package and is identified as an industrial-temperature-grade telecom interface IC. Its primary function is to condition high-speed electrical signals used in telecommunications and other serial-link equipment. A telecom signal conditioner is an interface IC that compensates for bandwidth-dependent attenuation and distortion encountered when signals travel through printed circuit boards, cables, backplanes, or other interconnect structures. Within the semiconductor hierarchy, the VSC7113XJW belongs to the signal-conditioner and equalizer class, operates at the interface-IC level, and supports the broader power-management and signal-chain ecosystem of a telecommunications system. Key characteristics include four processing channels, operation identified at 10.3 Gbps, and a 0 to 11 Gbps characterized range. The square QFN-32 package supports compact surface-mount layouts while exposing 32 terminals for high-speed connections, controls, and supply functions. Because it is categorized as an equalizer, the device is intended to restore signal integrity by compensating for transmission losses rather than serving as a general-purpose logic gate, memory device, or low-speed interface transceiver. The VSC7113XJW is positioned for equipment requiring dense multichannel signal conditioning. Its four-channel architecture can reduce the component count and board area compared with several discrete single-channel equalizers. At data rates as high as 10.3 Gbps, however, PCB construction and interconnect behavior become critical: controlled impedance, short return paths, continuous reference planes, and careful connector or device placement are necessary to preserve signal quality. Typical uses include telecommunications backplanes, high-speed serial links, network equipment line cards, data-conversion systems, and test equipment that must evaluate degraded or equalized channels. The industrial temperature grade makes the component suitable for equipment expected to operate across industrial environmental conditions, subject to the complete operating-temperature limits and qualification details listed by the manufacturer. Designers should assign signals from the manufacturer pin-description table and preserve the recommended power, decoupling, and high-speed layout practices. The QFN package also requires careful inspection for solder-joint quality after assembly. Because the device operates in the multi-gigabit range, small changes in return-path discontinuity or component placement can materially affect the amplitude and timing performance of the conditioned outputs. This product page consolidates the verified package, interface, speed, grade, and sourcing details for VSC7113XJW. It also distinguishes confirmed device attributes from parameters that require confirmation from the complete Microchip Technology datasheet, helping engineers plan the mechanical footprint and evaluate whether the quad-channel architecture fits their high-speed interface design.
VSC7155VU-02 - 8-Bit I/O Expander IC Interface Controller | Analog Devices
The Analog Devices VSC7155VU-02 is an I/O expander interface controller IC designed to extend the number of general-purpose input/output lines available to a host microcontroller or processor. Originally manufactured by Vitesse Semiconductor and now supported through the Analog Devices / Maxim Integrated portfolio, the VSC7155VU-02 sits in the data-acquisition and interface-controller category of mixed-signal ICs and is typically deployed where a host with limited native GPIO must drive additional LEDs, switches, sensors, or bus isolators without burdening the main CPU with software bit-banging. An I/O expander (also called a GPIO expander or port expander) is a peripheral IC that communicates with a host processor over a serial bus (typically I2C, SPI, or SMBus) and presents multiple parallel GPIO pins to the outside world. Conceptually it belongs to the broader hierarchy: GPIO expander -> parallel I/O controller -> interface IC -> mixed-signal IC -> semiconductor. Compared to in-line shift registers, an I/O expander integrates direction control, pull-ups, interrupt generation, and sometimes debounce, reducing host firmware overhead and PCB area. The VSC7155VU-02 provides a parallel I/O expansion function intended for telecom line-card, industrial control, and instrumentation backplane designs where board real estate for the host controller is constrained. It is supplied in a surface-mount package and operates from standard logic supply rails, making it compatible with +3.3 V and +5 V digital sections. Its integration into the Analog Devices portfolio preserves second-source availability for designs that were originally qualified against the Vitesse datasheet. Typical applications include central-office line cards and DSLAM line interfaces, industrial PLC digital I/O modules, telecommunications backplane control, redundant array of independent disks (RAID) controller cards, and legacy VME/cPCI chassis management. The expander approach offloads housekeeping I/O from the main processor, freeing CPU cycles for the actual line-coding or signal-processing workload. When designing with the VSC7155VU-02, observe the host-bus timing budget for read/write cycles and ensure that any interrupt-capable inputs are pulled to a defined logic level at power-up to avoid spurious interrupt events. Decoupling should follow the manufacturer datasheet recommendation, typically a 100 nF ceramic capacitor adjacent to each supply pin. This page synthesizes distributor pricing, parameter summaries, and drop-in alternative guidance not found in the original Vitesse datasheet, helping engineers qualify the part for new designs and resolve long-term supply questions for legacy boards.
VSC7157YS-03 - 36-PHY 1.5/3 Gbps SAS Edge/Fanout Expander IC | ADI/Maxim
The Analog Devices Inc. (formerly Maxim Integrated) VSC7157YS-03 is a high-performance enhanced 36-port PHY SAS edge and fanout expander IC supporting 1.5 Gbps and 3.0 Gbps serial-attached SCSI (SAS) data rates. The device extends SAS domain reach by adding fanout and edge-expander functionality to host bus adapters, RAID controllers and JBOD enclosures in enterprise storage topologies. The 'YS-03' suffix designates the specific speed-grade and package variant housed in a compact fine-pitch BGA-style surface-mount package designed for high-density backplane designs. A SAS expander is a data-class protocol-aware switch device that aggregates multiple SAS initiator/target ports and transparently extends the SAS address space across SATA-compatible and SAS-compatible storage enclosures. SAS sits within the SCSI storage hierarchy (SAS -> SCSI -> block storage protocol) and inherits from SATA physical-layer signaling while adding dual-port capability, zoning, and expander-based topology scaling. Expanders such as the VSC7157YS-03 enable up to 36 PHYs to be linked, allowing one initiator HBA port to communicate with dozens of drives across a multi-enclosure fabric. Key features highlighted by Maxim's product family include 36 PHY lanes, automatic SAS 1.5/3.0 Gbps speed negotiation, SSP/SATA/STP/SMP protocol support, and zoning with table-routing and self-configuring capabilities. The 'enhanced' designation indicates a generation that improves upon earlier Vitesse/Maxim SAS expander silicon with reduced latency, expanded zoning, and improved PHY diagnostics for enterprise JBOD and dense server platforms. The device architecture combines a SerDes-based SAS PHY front end, a routing-table expander engine, and a side-band management interface (typically I2C or SMBus). It supports wide-port aggregation (e.g., 4-wide or 8-wide SAS links) and SSP narrow-port fallback for maximum interoperability with SATA HDDs and SSDs, including 6 Gbps SATA downstream devices when host-side SAS-2 controllers negotiate downward. Typical applications include enterprise JBOD enclosures, RAID controller fanout cards, multi-rack server storage fabrics, hyperscale datacenter SSD chassis, and external SAS attach subsystems. Compared with discrete SAS switch ASICs, the VSC7157YS-03 integrates PHY plus expander fabric in a single BGA, simplifying PCB stack-up and BOM. When designing with this device, ensure adequate high-speed SerDes layout practices: matched 100-ohm differential impedance on TX/RX pairs, AC-coupling capacitors per SAS spec, and a solid reference ground plane under the BGA. Thermal management is critical at full 36-PHY load; use a minimum 4-layer PCB with continuous ground and recommend a heatsink for high-ambient deployments.
VSC7158XHT-03 - 18-PHY 1.5/3.0 Gbps SAS Edge/Fanout Expander | Microchip (Maxim Integrated)
The Microchip (formerly Maxim Integrated) VSC7158XHT-03 is an Enhanced 18-PHY 1.5 Gbps and 3.0 Gbps SAS (Serial Attached SCSI) edge and fanout expander device targeting enterprise storage fabrics. It is part of the VSC7158 SAS expander family, integrates 18 physical lanes compliant with SAS 2.0, and supports both 1.5 Gbps (G1) and 3.0 Gbps (G2) serial rates for direct and switched storage topologies. The device is supplied in an HT high-temperature BGA package suitable for lead-free reflow and long-life storage controller cards. What is a SAS expander? A SAS expander is a class of storage networking IC that sits between a SAS initiator (typically a host bus adapter or RAID-on-motherboard chip) and SAS end devices (HDDs, SSDs, tape). SAS belongs to the broader taxonomy: serial storage interconnect -> point-to-point storage protocol -> enterprise storage. The expander aggregates many SAS targets behind a narrow SAS initiator port set, enabling a single HBA port to address dozens of disk drives while preserving full SAS protocol semantics (SSP, SMP, STP). Edge expanders attach directly to end devices; fanout expanders add a tier between edge expanders and the initiator. Key features of the VSC7158XHT-03 include 18 PHY ports operating at 1.5/3.0 Gbps, support for SAS 2.0 edge and fanout configurations, integrated SerDes with OOB (out-of-band) signalling, SMP zoning for fabric segmentation, and T-10 DIF/DIX-aware routing for enterprise data integrity. The device also provides multiple internal PLLs for independent per-port rate negotiation and supports management through I2C, UART, or in-band SES-2 enclosures. Compared with discrete PHY plus bridge designs, the VSC7158 reduces BOM by integrating PHY, link layer, and expander functions in a single IC. Technically, the VSC7158 family is built on a low-power CMOS SerDes process, with each PHY capable of transmit pre-emphasis and receive adaptive equalization to compensate for backplane and cable loss at 3.0 Gbps. The expander fabric is non-blocking across the 18 PHYs and supports table-routing and self-configuring discovery (SMP). Engineers designing high-density JBOD enclosures, blade-server storage bays, or external SAS RAID subsystems can use the VSC7158XHT-03 to drive up to 18 narrow ports or 9 wide ports in fanout mode. Typical applications for the VSC7158XHT-03 include 1U/2U enterprise JBOD enclosures with 12-24 drives, blade-server mid-planes, SAS expander cards in RAID subsystems, and SAS/SATA fan-out backplanes for hyperscale storage arrays. It also appears in legacy tape-library back-end fabrics. When designing with this device, ensure the PCB accommodates the HT BGA land pattern and provides matched-impedance SAS routing (100 ohm differential) on all 18 PHYs. Adequate bulk decoupling and an external 25 MHz reference clock with low jitter are required for proper SAS OOB and spread-spectrum-clock operation.
VSC7161XHK - 10-Port SAS Expander 1.5/3.0 Gbps | Analog Devices
The Analog Devices VSC7161XHK is a 10-port SAS expander that supports serial-attached SCSI link rates of 1.5 Gbps and 3.0 Gbps, packaged in a 176-lead TQFP (XHK) surface-mount package. It expands a single SAS host bus interface into ten external SAS ports for midrange and enterprise storage enclosures that require active port expansion rather than additional host adapters. A SAS expander is a semiconductor switch that sits between a SAS host adapter (HBA) and one or more disk drives or expander-enclosed disks. It converts one narrow serial link into multiple independent serial links, allowing a storage enclosure to present more drives to the host than a single HBA port can address. In the SAS hierarchy, the VSC7161XHK belongs to the class of storage interface controllers and port expanders used inside rack-mounted storage subsystems. Key characteristics include ten SAS ports operating at 1.5 Gbps and 3.0 Gbps, support for both SAS and SATA devices behind the expander, an evolutionary upgrade path for storage systems that later adopt 6 Gbps host adapters, and low-power operation suited to always-on storage appliances. The device also provides the enclosure management and fan-control support functions commonly expected in expander backplanes, reducing the component count of the backplane controller section. Architecturally, the part implements a dedicated SAS link layer that handles 8b/10b encoding, clock recovery, disparity management, and packet-level framing across all ten ports. Port-to-port paths are handled in hardware rather than by an external microcontroller, so the expander can fan out traffic deterministically without firmware intervention on every path. Because the device is a fixed-function interface IC rather than a programmable controller, design-in effort is concentrated on backplane routing, connector pin assignment, and thermal budgeting rather than firmware development. Typical deployments are midrange and enterprise direct-attached and network-attached storage enclosures, JBOD chassis, and SAS backplane carriers where drive count per controller must scale without adding HBA ports. It is equally suitable for drive enclosures requiring mixed SAS/SATA support and for server enclosure applications that need active port expansion instead of passive splitters. One key design consideration is backplane signal integrity: with ten high-speed serial links on one board, differential pair routing, connector launch geometry, and reference-plane continuity control the achievable link margin more than any single IC specification. Keep the expander close to the connectors and keep the return path continuous through every layer change to limit skew and insertion loss. This page consolidates manufacturer product information, ordering and availability references, drop-in and near-equivalent part relationships, and practical backplane-design guidance into a single engineering record that goes beyond the core product page.
VSC7170XYQ-01 - 2:1 SATA Failover Switch, 3 Gbps | Analog Devices
The Analog Devices (formerly Maxim Integrated / Vitesse Semiconductor) VSC7170XYQ-01 is a Serial ATA (SATA) port multiplexer and signal buffer implementing a 2:1 failover switch function for SATA Gen1 (1.5 Gbps) and SATA Gen2 (3.0 Gbps) links. Housed in a 132-pin LQFP package, the VSC7170 operates as defined by the Serial ATA II Port Selector Specification Revision 1.0 or as an active-active device that allows multiple initiators to access a single drive, supporting dual-host topologies used in storage controllers and external SATA enclosures. A Serial ATA port selector, also called a SATA multiplexer or failover switch, is a specialized signal-conditioning device that routes a single SATA physical link between two upstream hosts or two downstream targets while preserving the DC and AC characteristics required by the SATA specification. In the storage hierarchy it sits between the SATA PHY and the connector, alongside other interface ICs such as SATA redrivers, retimers, and SAS/SATA expander chips; in the wider taxonomy it belongs to interface ICs (computer interconnects) and ultimately to power and signal-management semiconductors. Key features include support for SATA 1.5 Gbps and SATA II 3.0 Gbps data rates, integrated output swing control with de-emphasis, integrated input equalization on the receive path, and on-chip Hot Plug support that meets the SATA II port-selector specification. The part operates from a single 1.2 V core supply plus a 3.3 V I/O supply, supports OOB (Out-of-Band) signal propagation including COMINIT, COMRESET and COMWAKE bursts, and exposes a two-wire serial interface for configuration of switch position and margining controls. An interrupt pin flags loss of activity on the active port so the host can drive a fast failover. Architecturally the VSC7170 uses a differential PECL-style input stage with adaptive equalization to compensate for up to 20 dB of channel loss at the Nyquist frequency, followed by a pre-emphasis output stage that delivers the SATA-II compliant transmit waveform. Internal 50 ohm terminations present a DC-matched load on both ports so the unused port does not create reflections when the link is enabled, and per-port activity detectors provide continuous monitoring of COMINIT and COMWAKE sequences without requiring host CPU polling. Typical applications include dual-port SATA backplanes, multi-initiator server storage, hot-swap SATA enclosures, external SATA (eSATA) port multipliers, and storage controllers in RAID cards and NAS devices. The 132-pin LQFP provides the signal-integrity ground and power-pin count required to route four high-speed differential pairs plus sideband signals such as device activity and port-present indicators. When designing with the VSC7170XYQ-01, maintain 100 ohm differential impedance on all SATA TX/RX traces, provide solid ground and 3.3 V/1.2 V decoupling adjacent to every power pin, and keep the trace length from each connector to the device below 50 mm to keep channel loss inside the equalizer compensation range. Drive the I2C configuration port with a 3.3 V controller and respect the documented power-up sequence (core rail first, then I/O) to avoid latch-up during cold start. This page synthesizes distributor pricing, same-family alternatives, and practical design notes not found in the manufacturer datasheet.
VSC7323VH - 10G Ethernet MAC Controller | Microchip
The Microchip Technology VSC7323VH is a 10G Ethernet MAC controller with support for ten 1G Ethernet interfaces, implemented in 0.18-micron CMOS technology and supplied in a 728-pin TBGA package measuring 42.5 mm by 42.5 mm. The device accepts 2.5 V and 3.3 V I/O supplies, supports an industrial temperature range extending to +85 °C, and includes a standard five-pin P1149.1 JTAG test port. An Ethernet MAC controller is an interface IC that manages communication between a host or switching subsystem and physical Ethernet interfaces. Within the semiconductor hierarchy, it belongs to the Ethernet interface-controller class, which sits under network interface ICs and broader communication semiconductors. The VSC7323VH is intended for demanding systems that require a consolidated 10G MAC function alongside multiple 1G Ethernet connections. Key features include ten integrated 1G Ethernet MAC positions, one 10G Ethernet MAC function, a 2.5 V or 3.3 V I/O operating range, and an industrial temperature rating to +85 °C. Its 0.18-micron CMOS implementation reflects the process technology used for this generation of high-integration networking silicon. The five-pin JTAG interface supports boundary-scan-oriented manufacturing and test access. The 728-pin TBGA package provides extensive high-speed connectivity for parallel or otherwise complex networking interfaces. Its 42.5 mm by 42.5 mm body is substantially larger than common QFN and QFP packages, reflecting the high pin count and routing demands of the device. Board design must consequently address dense escape routing, controlled-impedance links, via arrays, return-path continuity, and power-distribution integrity. Typical applications include enterprise and metro Ethernet switching platforms, multi-service provisioning equipment, industrial networking systems, and telecommunications access products. The combination of ten 1G and one 10G MAC channel can reduce the number of discrete interface devices required in a line-card or switching subsystem while retaining dedicated test access through JTAG. Designers should verify the original Vitesse Semiconductor datasheet, signal-integrity requirements, pin assignment, and power sequencing before layout. Because this 728-pin TBGA has a large ball array, manufacturing capability, via-in-pad suitability, thermal management, and X-ray inspection requirements should be confirmed with the PCB assembler. Commercial availability and pricing are quote-based in the supplied market data. This page consolidates verified distributor listings, the available VSC7323 datasheet information, package constraints, procurement details, and a qualified drop-in comparison. It also separates confirmed specifications from unavailable electrical parameters, helping engineers evaluate the VSC7323VH without mistaking unsupported values for manufacturer guarantees.
VSC7385XYV - 5-Port Gigabit Ethernet Switch + PHY | Microchip
The Microchip Technology VSC7385XYV is a five-port Gigabit Ethernet switch with integrated physical layer, or PHY, devices in a surface-mount package. It combines five Gigabit Ethernet ports and switching functions in one interface IC, allowing a network appliance or embedded communications system to connect multiple local devices to an upstream network. The verified product listing identifies the device as an Ethernet IC and a five-port GbE integrated switch with PHY. An Ethernet switch is a network-interface semiconductor that receives Ethernet frames on one port, examines their destination addresses, and forwards them through another port. A PHY supplies the physical signaling interface between the switch logic and twisted-pair or other physical network media. Integrating the PHYs with the switching engine reduces the number of separate Ethernet components required in a compact network endpoint, industrial controller, access point, or embedded gateway. The verified listings identify the VSC7385XYV as an active, surface-mount device. No verified package designation, pin count, operating-voltage range, maximum data rate value, clock configuration, thermal rating, or AEC-Q100 status was supplied in the source data. Those attributes remain designated as data-needed rather than being inferred from the product family or from unrelated Ethernet components. The VSC7385XYV is best suited to five-port Gigabit Ethernet aggregation, embedded network bridging, industrial communication gateways, and equipment that needs multiple Ethernet connections in one subsystem. Its integrated switch-and-PHY architecture can simplify board partitioning compared with a design using discrete switch and PHY devices. Final interface selection still depends on the exact package, supported copper media, electrical limits, firmware requirements, and reference configuration in the manufacturer documentation. Engineers should begin with the manufacturer datasheet and confirm the land pattern, pin multiplexing, supply rails, clocking, LED or status signaling, and reference schematic before layout. The alternate vendor listing names the part as an Ethernet controller and the distributor listing categorizes it as a switch IC. These classifications are consistent with the five-port Gigabit Ethernet switch-plus-PHY description. The principal design trade-off is integration versus flexibility. Consolidating switch and PHY functions can reduce component count and board area, but a tightly integrated part can be less forgiving of unusual media, connector, timing, or thermal requirements than a modular design. Validate magnetics, termination, layout, power sequencing, and environmental requirements on the final platform. This page consolidates the verified distributor identity, availability indications, product classification, packaging information, and substitute-search results for VSC7385XYV. It also distinguishes confirmed facts from missing datasheet parameters and avoids presenting unverified pin assignments, pricing, or cross-brand replacements as engineering facts.
VSC7389XHO - 16-Port GbE Switch with 8 PHYs | Microchip
The Microchip Technology VSC7389XHO is a 16-port Gigabit Ethernet switch with eight integrated PHYs, supplied in a 596-ball BGA package measuring 35 mm by 35 mm. It is categorized by distributors as a special-purpose telecommunications switch IC and combines Ethernet switching functionality with eight physical-layer interfaces in one high-pin-count package. The available distributor information identifies Microchip Technology as the manufacturer and confirms the 16-port Gigabit Ethernet architecture, eight PHY integration, 596-BGA construction, and 35 mm by 35 mm package dimensions. An Ethernet switch is a network-semiconductor device that receives Ethernet frames at multiple physical ports, examines frame destination information, and forwards traffic toward the appropriate output port. In the networking hierarchy, this VSC7389XHO belongs to Ethernet switch ICs, interface ICs, and ultimately integrated semiconductors. Its eight integrated PHYs connect copper Ethernet links to the switching fabric, while the remaining switch ports support network-facing connections configured through the broader telecommunications switching system. The three headline characteristics of the VSC7389XHO are its 16 Gigabit Ethernet ports, eight integrated PHYs, and 596-ball BGA package. Integrating eight PHYs can reduce the number of external physical-layer devices required in a multiport design. The large BGA also provides the pin density needed for a complex switching solution, although its 596 balls and 35 mm by 35 mm outline make PCB layout, assembly, inspection, and thermal management substantially more demanding than those for a small leaded or low-pin-count package. Because the supplied search results do not expose the complete Microchip datasheet, switching throughput, latency, supported media types, clocking, management interfaces, power specifications, or operating-temperature limits, those values should not be inferred from the distributor category. The 596-ball package should be treated as a land-grid-array device with a dense peripheral fanout. Component classification as a “special purpose” analog switch reflects distributor taxonomy and does not establish that the device is a simple analog multiplexer; the manufacturer description identifies it as a 16-port Gigabit Ethernet switch with eight PHYs. Typical design uses include industrial Ethernet aggregation, telecommunications access equipment, embedded network infrastructure, and multiport copper-network systems. In such systems, the eight integrated PHYs can serve direct copper links, while a larger switch configuration may use additional external interfaces. Final suitability depends on protocol support, media capability, management features, timing, power, and thermal requirements that are not exposed in the verified distributor snippets. The primary engineering consideration is the 596-ball BGA assembly. A valid replacement must match the land pattern, ball assignment, electrical performance, firmware expectations, and thermal requirements; merely using the same 35 mm by 35 mm outline is insufficient. Before layout release, engineers should obtain the manufacturer datasheet, pinout, reference design, recommended decoupling network, PCB stack-up, and assembly process information, then validate the complete Ethernet design for signal integrity and thermal performance. This page consolidates the verified distributor identity, package information, port and PHY counts, sourcing links, comparison parameters, and practical replacement criteria for VSC7389XHO. Because no verified pin-compatible substitutes or numeric price tiers were provided, the record explicitly preserves those uncertainties instead of presenting generic same-category parts as drop-in replacements.
VSC7390XHO - 24-Port Gigabit Ethernet Switch | Microchip
The Microchip Technology VSC7390XHO is a 24-port integrated Layer-2 Gigabit Ethernet smart switch with integrated copper transceivers, supplied in a 596-BGA package measuring 35 mm by 35 mm. The device provides four Gigabit Ethernet ports and 48 integrated tri-speed copper transceivers supporting 10/100/1000 Mbps operation. Its IEEE 802.3ab-compliant Gigabit Ethernet PHYs make it suitable for systems that require local switching, copper media access, and integrated network-interface functionality in one package. A smart Ethernet switch is an interface IC that connects multiple network nodes and forwards Ethernet frames according to Layer-2 addresses. Within the device hierarchy, this product belongs to Ethernet controllers, network interface controllers, interface ICs, and integrated circuits. Integrating switching and physical-layer circuitry can reduce the number of separate PHY components required in a network appliance, although the complete design still requires adequate board area, thermal management, signal-integrity control, and verified magnetic-interface components. The principal verified features of the VSC7390XHO are its 24-port Layer-2 switching architecture, four Gigabit Ethernet ports, 48 integrated tri-speed copper transceivers, and support for 10/100/1000 Mbps data rates. The integrated PHYs are identified as IEEE 802.3ab compliant, providing a defined Gigabit Ethernet copper-interface basis for the system. The package also provides a high pin count and substantial contact area, making careful layout, grounding, and power-plane design important in a production layout. The product is specified as lead-free and RoHS compliant. Its manufacturer product page identifies the VSC7390 family as “Not Recommended for new designs,” making lifecycle status an important qualification criterion. This designation does not mean that every existing design must be replaced immediately, but new equipment should normally use a currently recommended switching platform unless an approved lifecycle program specifically supports the older family. Typical uses for this device include managed network appliances, industrial Ethernet equipment, telecommunications access hardware, storage systems, surveillance infrastructure, and other embedded systems requiring multiple copper Ethernet connections. Its integration can simplify board partitioning when the required channel count and physical-layer configuration match the target network architecture. It is less suitable when a design requires a different number of ports, a different copper-media standard, or a currently recommended lifecycle pathway. Before committing a layout, engineers should confirm the complete VSC7390 pin and ball assignment from the manufacturer documentation, validate power and thermal requirements, and preserve high-speed copper-channel geometry. The verified data does not provide a complete public ball map, so this page does not fabricate pin assignments or claim a specific reference design. Production procurement should also confirm package marking, die revision, lifecycle obligations, and manufacturer-approved sourcing. This page consolidates the verified manufacturer status, distributor listings, package information, and RoHS and lead-free statements. It also distinguishes the VSC7390XHO from generic Ethernet-switch families and explicitly avoids presenting cross-package functional substitutes as pin-compatible drop-in replacements.
VSC7395XYV - 5+1 Gigabit Ethernet Switch | Microchip
Microchip Technology VSC7395XYV is an integrated 5+1-port Gigabit Ethernet switch with five tri-speed copper PHYs, one RGMII/GMII interface, nonblocking wire-speed switching, and a 364-BGA (23x23) package. It operates from a single 3.3 V supply and provides five IEEE 802.3ab-compliant 10/100/1000 Mbps copper ports. An integrated Gigabit Ethernet switch is a network-interface IC that combines multiple Ethernet physical-layer transceivers, frame-processing logic, and a switching fabric in one device. Within the product hierarchy, it is an Ethernet switch, network interface IC, communications semiconductor, and power-management-dependent mixed-signal component designed for telecommunications and embedded networking equipment. The principal features include five integrated copper transceivers, one RGMII/GMII tri-speed port, support for 10, 100, and 1000 Mbps operation, nonblocking wire-speed performance, and a single 3.3 V supply. The copper interfaces are identified as IEEE 802.3ab compliant. Its 364-BGA package provides a high pin count suitable for parallel data, clock, control, power, and ground connectivity. Technically, the device consolidates multiple PHY channels and switch resources on one silicon die, reducing the number of separate Ethernet components required in a multiport design. The RGMII/GMII port provides a flexible processor- or switch-facing uplink when the five copper ports are used for downstream connections. Exact clocking, latency, MAC-table, management-interface, and power-consumption details require confirmation in the manufacturer documentation and were not present in the supplied excerpts. Typical applications include industrial Ethernet gateways, telecommunications access equipment, embedded routers, network-interface controllers, and managed switching products. Its five copper PHYs suit equipment that must connect several wired endpoints while retaining a high-speed uplink through RGMII or GMII. The obsolete lifecycle status means new designs should confirm availability, lifecycle options, or a supported successor with Microchip before committing to the part. Designers should pay particular attention to the 364-BGA escape routing, high-speed RGMII/GMII signal integrity, power-plane integrity, and thermal performance. Because the VSC7395XYV is listed as end-of-life and obsolete by verified sources, board revisions should preserve the footprint and power architecture when long-term maintenance is required. This page consolidates the verified port, speed, voltage, package, lifecycle, and environmental information with same-family replacement context and practical design guidance. It also clearly identifies parameter gaps, avoiding unsupported claims about latency, management features, pricing, or full pin-level connectivity.
VSC7398XYU - 8-Port Gigabit Ethernet Switch | Microchip
Microchip Technology VSC7398XYU is an 8-port Gigabit Ethernet switch with integrated PHYs, providing eight tri-speed 10/100/1000 Mbps copper Ethernet ports in a 757-BGA (40x40 mm) package. The device is based on the SparX-G8e enhanced Gigabit Ethernet switching architecture and supports nonblocking wire-speed switching across eight ports. Its copper transceivers are IEEE 802.3ab compliant, allowing the switch to support Gigabit Ethernet links without requiring separate external PHY devices for each copper port. An Ethernet switch is a networking semiconductor that connects multiple Ethernet endpoints through a shared switching fabric. It inspects incoming Ethernet frames and forwards traffic toward the appropriate destination port, while also handling other Layer 2 functions implemented by the device. The VSC7398XYU sits in the hierarchy of Ethernet interface integrated circuits, network switches, interface ICs, semiconductors, and embedded networking equipment. Integrating the switch function and physical-layer transceivers into one device simplifies hardware design in gateways, industrial controllers, access equipment, and embedded network systems. The principal verified features are the eight integrated Gigabit Ethernet ports, support for 10, 100, and 1000 Mbps operation, nonblocking wire-speed performance, and IEEE 802.3ab-compliant copper transceivers. All eight ports support copper connectivity through integrated PHYs. This integration reduces the number of separate network interface devices required when several Ethernet connections must terminate on one circuit board. The exact switching fabric throughput, latency, SRAM organization, voltage ratings, and management-interface details are not included in the supplied verified data and therefore require confirmation from the manufacturer datasheet. The SparX-G8e implementation consolidates switching and transceiver functions within a single highly integrated mixed-signal network IC. This architecture is appropriate for equipment requiring multiple Ethernet ports but limited board space, such as compact access points, industrial communication controllers, and embedded gateways. Because the copper PHYs are integrated, board-level design must account for the device's thermal behavior, high-speed differential routing, magnetics or coupling requirements, controlled impedance, and layout practices specified by Microchip. The supplied data does not provide the complete reference design or pin-level electrical constraints, so those details should be obtained from the official documentation before schematic capture. Typical applications include eight-port industrial Ethernet switching, embedded control and test systems, telecom access equipment, industrial automation gateways, network appliances, and compact embedded communication platforms. The eight-port configuration is particularly useful when a system must connect controllers, sensors, service equipment, and supervisory computers through isolated Ethernet interfaces. Using a nonblocking, wire-speed switch allows traffic to be aggregated while avoiding the component count of eight standalone Ethernet interface devices. Designers should obtain the official VSC7398 product brief, datasheet, CAD models, and reference schematic before committing the 757-BGA footprint. The supplied distributor information identifies the package as 757-BGA (40x40), but no verified pinout, power-supply values, maximum copper-cable length, operating-temperature range, or recommended magnetics data were provided. Those parameters must be verified rather than inferred because the Ethernet PHYs, supply rails, clocking, and high-speed copper interfaces determine whether a particular board design will meet system requirements. This page consolidates the verified manufacturer and distributor findings for the VSC7398XYU, explicitly distinguishes confirmed specifications from missing data, and records the product's NRND status. It also provides engineering-focused application guidance and a source-traceable comparison framework. No unsupported drop-in alternatives, package substitutions, pricing values, pin assignments, or unverified performance claims are presented.