VSC7223XJV - 16 Gbps Quad Retimer/Redriver | Microchip
MPN: VSC7223XJV ✓ Hoạt độngVSC7223XJV Tóm tắt
A multirate retimer/redriver is a specialized high-speed interface IC used within the clock and timing hierarchy of a data-processing system. It receives a degraded high-speed signal, recovers its timing and data, applies channel compensation, and then redrives the signal to improve system margin across cables, printed circuit board traces, backplanes, and other copper media.
The device provides four independent high-speed channels and supports operation to 16 Gbps. Its input equalization compensates for frequency-dependent loss in FR-4 printed circuit board traces and copper cabling. Clock and data recovery removes timing distortion, while output de-emphasis helps control signal integrity in lossy channels and improve interoperability with downstream receivers.
According to the manufacturer information, VSC7223 is intended to increase system margin and extend media-driving distance. The documented examples include equalization of more than 65 inches of FR-4 at 10 Gbps and more than 15 meters of 24 AWG SFP+ direct-attach copper cable at 10 Gbps. These figures describe the specified application environment and should be validated in the final system layout, connector, and enclosure.
Typical uses include 10G and 16G Ethernet copper links, data-center equipment, telecommunications infrastructure, server connectivity, test equipment, and other high-speed backplane or cable interfaces. The industrial temperature grade and no-lead 48-terminal package support applications where robust environmental performance and compact surface-mount assembly are required.
When designing around VSC7223XJV, preserve the controlled-impedance topology and reference-plane continuity of high-speed differential pairs. Place bypass capacitors close to supply pins, keep return paths continuous, and verify channel loss, insertion loss, crosstalk, and connector behavior with channel simulation and eye measurements before production.
This product record combines verified manufacturer and distributor information with practical engineering guidance, package and interface details, sourcing data, and an explicit assessment of available drop-in replacements. No compatible substitute is listed unless its package, pin compatibility, and electrical proximity can be independently verified.
Bộ thay thế dễ dàng lắp đặt cho VSC7223XJV — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếVSC7223XJV Thông số kỹ thuật
| Product Type | 4-channel multirate retimer/redriver |
| Maximum Data Rate | 16 Gbps |
| Number of Channels | 4 |
| Số lượng đầu ra | 4 |
| Signal Direction | Unidirectional |
| Input Equalization | Supported |
| Clock and Data Recovery | Supported |
| Output De-emphasis | Supported |
| FR-4 Equalization Capability | More than 65 inches at 10 Gbps |
| Copper Cable Equalization Capability | More than 15 meters of 24 AWG SFP+ DAC at 10 Gbps |
| Hộp | 48-QFN, 5 mm x 9 mm |
| Number of Terminals | 48 |
| Kiểu lắp đặt | No-lead surface mount |
| Package Shape | Rectangular |
| Temperature Grade | Industrial |
Hướng dẫn cấu hình chân VSC7223XJV rectangular
Cấu hình chân cho VSC7223XJV (rectangular gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho VSC7223XJV.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
VSC7223XJV phù hợp cho 6 Áp dụngs: 10G Ethernet Copper Links, 16 Gbps Backplane Connectivity, Data-Center Interconnect Equipment, Telecommunications Line Cards, SFP+ Direct-Attach Copper, Test and Measurement Instruments.
10G Ethernet Copper Links
The VSC7223XJV is suitable for extending a 10 Gbps copper link when PCB traces, connectors, or cables introduce loss that reduces receiver margin. Its four-channel architecture can process four unidirectional lanes, while input equalization compensates channel loss and clock and data recovery regenerates the data stream. The manufacturer reports equalization of more than 65 inches of FR-4 and more than 15 meters of 24 AWG SFP+ direct-attach copper at 10 Gbps. Those results depend on the specified media and test conditions. A complete design should verify differential impedance, return loss, insertion loss, crosstalk, jitter, and receiver eye margin rather than relying only on trace length.
Được đề xuất
16 Gbps Backplane Connectivity
The four-channel VSC7223XJV can be used at 16 Gbps when a backplane or board-to-board channel requires active compensation and regenerated outputs. Input equalization addresses high-frequency loss, while clock and data recovery restores timing margin lost across connector and PCB discontinuities. Output de-emphasis provides an additional mechanism for controlling the transmitted signal shape. Because channel reach is strongly affected via loss, connector transitions, skew, and return-path discontinuities, an engineer should develop the PCB stackup and channel model before assigning the retimer. Eye diagrams, jitter decomposition, and receiver compliance testing are necessary because a successful 10 Gbps application does not automatically guarantee margin at 16 Gbps.
Được đề xuất
Data-Center Interconnect Equipment
The VSC7223XJV fits server and data-center interconnect equipment that must recover signals after routing through cabinet cables, connector assemblies, or long printed circuit board traces. Its 16 Gbps maximum rate and four-channel configuration support parallel high-speed links, while equalization, clock and data recovery, and output de-emphasis provide a combined signal-integrity solution. The principal design tradeoff is active-circuit power and added latency compared with a passive retimer. For sustained operation, thermal design must account for dissipation across all four channels and the local copper area around the 5 mm by 9 mm 48-QFN package. Production validation should include hot-temperature eye measurements, power-consumption testing, and compatibility checks with every connected receiver.
Được đề xuất
Telecommunications Line Cards
The VSC7223XJV is appropriate for telecommunications line cards and access equipment that must interface equipment, backplanes, or copper media through lossy channels. Its unidirectional four-channel architecture provides a direct fit for separate transmit or receive paths, and the active compensation functions can improve margin compared with relying on a distant receiver to tolerate uncorrected loss. The device's industrial temperature grade is relevant to industrial and telecommunications environments, although the supplied data does not state the numerical temperature range. Design work should follow Microchip's reference layout, preserve package-ground and supply-plane continuity, and test channel performance over the intended temperature range. Regulatory and carrier-specific requirements must be evaluated independently of the component's own compliance status.
Được đề xuất
SFP+ Direct-Attach Copper
The VSC7223XJV can support 10 Gbps SFP+ direct-attach copper links when the cable and printed circuit board path create loss beyond the receiver's uncorrected margin. The manufacturer specifically identifies more than 15 meters of 24 AWG SFP+ copper at 10 Gbps as an equalization example. Using the device requires careful matching of transmit amplitude, de-emphasis, receiver thresholds, and connector characteristics across both ends of the link. The retimer should be evaluated as part of the complete channel rather than selected from cable length alone. Compliance testing, BER measurement, and eye analysis under worst-case temperature and power-supply conditions are recommended before deployment.
Được đề xuất
Test and Measurement Instruments
The VSC7223XJV can be used in high-speed test and measurement equipment to recover signals that have traversed imperfect fixtures, long cables, or densely routed circuit boards. Clock and data recovery helps present a repeatable waveform to the instrument's analysis chain, while equalization and output de-emphasis improve the usable channel margin. A laboratory designer should nevertheless measure the full path, including probe pads, adapters, and cable transitions, because each discontinuity changes the channel response. Controlled reference planes, short return paths, careful thermal management, and stable decoupling are essential for repeatable measurements. The device should not be treated as a substitute for correct impedance control or fixture qualification; it compensates the channel only within its demonstrated operating envelope.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho VSC7223XJV — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này |
|---|---|
| Product Type | 4-channel multirate retimer/redriver |
| Brand | Microchip Technology |
| Package | 48-QFN, 5 mm x 9 mm |
| Maximum Data Rate | 16 Gbps |
| Number of Channels | 4 |
| Number of Outputs | 4 |
| Signal Direction | Unidirectional |
| Channel Compensation | Input equalization, clock and data recovery, and output de-emphasis |
| Documented FR-4 Reach | More than 65 inches at 10 Gbps |
| Documented Copper-Cable Reach | More than 15 meters of 24 AWG SFP+ DAC at 10 Gbps |
Bảo phân biệt quan trọng
- Four independently compensated high-speed lanes (vsNo verified drop-in alternative available)
- Supports data rates up to 16 Gbps (vsPassive channel-compensation approaches)
- Documented long-channel compensation examples (vsDirect receiver-only links)
Ghi chú thiết kế
Use the manufacturer reference layout and preserve controlled-impedance differential routing through every layer transition. Maintain continuous reference planes and minimize vias, stubs, and impedance discontinuities. The published reach figures apply to defined media and channel conditions; they do not replace insertion-loss, return-loss, crosstalk, and eye measurements on the actual PCB and connector assembly.
Place the required bypass capacitors adjacent to the corresponding supply and ground pins, with short, low-inductance connections. Because exact pin assignments and recommended capacitor values were not present in the supplied verified data, do not infer them from generic guidance. Follow the manufacturer schematic and layout instructions, verify supply sequencing limits, and measure supply noise at the device under full four-channel operation.
Characterize the complete path from transmitter through connector or cable, retimer, and receiver. Compare 10 Gbps and 16 Gbps cases separately, and include worst-case cable, PCB, temperature, and supply conditions. Evaluate eye height, eye width, jitter, differential impedance, insertion loss, return loss, and crosstalk before fixing the placement and de-emphasis configuration.
Thông tin tuân thủ
The supplied verified results identify an industrial temperature grade but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than being inferred from the distributor listings.
