VSC8256EV - Quad 1G/10G Serial Repeater | Microchip Technology
MPN: VSC8256EV ✓ Hoạt độngVSC8256EV Tóm tắt
Bộ thay thế dễ dàng lắp đặt cho VSC8256EV — 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 thếVSC8256EV Thông số kỹ thuật
| Product Type | Quad serial-to-serial repeater/retimer |
| Protocol Agnostic | Yes |
| Supported Data Rate - LAN Mode | 10.3125 Gbps |
| Supported Data Rate - WAN Mode | 9.95328 Gbps |
| Supported Data Rate - Low-Speed Mode | 1.25 Gbps |
| 10GBASE-KR Auto-Negotiation | Integrated hardware-based host-side-only support |
| 10GBASE-KR Training | Integrated hardware-based host-side-only support |
| Signal Conditioning Mode | Protocol-agnostic signal conditioner |
| Standards Supported | IEEE 802.3ae, IEEE 802.3ap, SFF-8431, ITU-T G.8261, ITU-T G.8262 |
| Hộp | FCBGA |
| Package Form Factor | Small form factor, low-power |
| Application | Board-level high-speed signal integrity |
| Number of Channels | 4 |
Hướng dẫn cấu hình chân VSC8256EV small form factor, low-power
Cấu hình chân cho VSC8256EV (small form factor, low-power 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 VSC8256EV.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
VSC8256EV phù hợp cho 6 Áp dụngs: 10G Ethernet Backplane, Telecommunications Serial Links, High-Speed Card-to-Card Interconnect, SFP-Style 10G Interfaces, Protocol-Agnostic Test Equipment, Industrial Network Equipment.
10G Ethernet Backplane
The VSC8256EV is a strong candidate for 10G Ethernet backplane evaluation because it supports 10.3125 Gbps LAN mode and includes hardware-based host-side-only 10GBASE-KR auto-negotiation and training. Its protocol-agnostic repeater/retimer architecture can help recover timing and signal integrity across board-level channels. The implementation should provide carefully controlled clocking, power, and high-speed differential routing, while the complete manufacturer datasheet is used to confirm lane assignments, bypass modes, and electrical limits.
Được đề xuất
Telecommunications Serial Links
VSC8256EV can support telecommunications equipment that transports 1G, 9.95328 Gbps WAN, or 10.3125 Gbps LAN-mode serial signals across boards and modules. The protocol-agnostic signal conditioner is useful when the physical link must be equalized without tying the device to a single protocol implementation. Designers should budget the FCBGA thermal and power characteristics into the system and verify jitter, lane polarity, and reference-clock requirements from the official documentation.
Được đề xuất
High-Speed Card-to-Card Interconnect
The VSC8256EV can be evaluated in card-to-card interconnect systems where insertion loss, skew, or jitter threatens reliable serial transmission. Its four-channel repeater/retimer configuration provides a way to condition multiple high-speed lanes on the same board, while the integrated 10GBASE-KR host-side functions can simplify compatible link bring-up. Production deployment requires channel characterization, loss-budget verification, controlled impedance routing, and validation across temperature and supply corners.
Được đề xuất
SFP-Style 10G Interfaces
VSC8256EV is applicable to SFP-style high-speed interface experiments because the available VSC8256 documentation references SFF-8431 and supports 10.3125 Gbps LAN-mode operation. The device can be positioned as a board-level retiming element between a host serializer or PHY and a high-speed copper channel. Because the supplied data does not expose exact package pins or reference-clock requirements, the board design must follow the manufacturer reference schematic and exact FCBGA layout guidance.
Được đề xuất
Protocol-Agnostic Test Equipment
The VSC8256EV is suitable for laboratory and test-equipment platforms that need to characterize several high-speed serial link conditions with one physical-layer device. Its signal-conditioning mode supports 1.25 Gbps, 9.95328 Gbps WAN mode, and 10.3125 Gbps LAN mode, enabling repeatable evaluation of different link rates. The test fixture should provide low-noise supplies, a stable reference clock, controlled-impedance connectors, and automated measurements of eye width, jitter, and error behavior.
Được đề xuất
Industrial Network Equipment
VSC8256EV can support industrial networking equipment requiring reliable recovery of 1G or 10G serial data across internal PCB links. The protocol-agnostic architecture is advantageous when the same signal-conditioning platform must interoperate with multiple host-side controllers or PHY arrangements. For industrial availability, engineers must confirm operating-temperature limits, lifecycle status, environmental qualification, and long-term supply using the complete manufacturer and distributor documentation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho VSC8256EV — 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 |
|---|---|
| Package | FCBGA |
| Brand | Microchip Technology |
| Device Type | Quad serial repeater/retimer |
| LAN Data Rate | 10.3125 Gbps |
| WAN Data Rate | 9.95328 Gbps |
| Low-Speed Data Rate | 1.25 Gbps |
| 10GBASE-KR Support | Host-side-only auto-negotiation and training |
| Protocol Support | Protocol agnostic |
| Price at Quantity 1 | Current distributor quotation required |
Bảo phân biệt quan trọng
- Integrated 10GBASE-KR host-side support (vsNo verified alternative)
- Multi-rate serial support (vsNo verified alternative)
- Four-channel architecture (vsNo verified alternative)
Ghi chú thiết kế
Use the exact Microchip FCBGA land pattern, ball map, and reference layout rather than deriving an equivalent footprint from the package description. High-speed differential lanes should use continuous reference planes, controlled impedance, short return paths, and symmetrical component placement. Confirm the required via and antipad geometry against the manufacturer layout guidance before fabrication.
Follow the manufacturer's recommended supply topology, decoupling placement, and sequencing requirements from the complete datasheet. The available data identifies a low-power FCBGA implementation but does not provide supply voltage, current, or capacitor values, so power budgeting and bulk-capacitor sizing must remain open until those specifications are confirmed.
Characterize the complete channel from transmitter through connectors or package escape paths to the VSC8256EV inputs and onward to the far endpoint. At 10.3125 Gbps, insertion loss, reflections, skew, and jitter can dominate system performance. Use the 10GBASE-KR and timing-jitter standards identified in the VSC8256 summary as additional design context, but validate against the actual channel.
Calculate FCBGA power dissipation from the actual supply voltage and lane-loading conditions after obtaining the missing electrical ratings. Preserve the manufacturer's thermal-pad and via-array requirements, provide uninterrupted copper where specified, and avoid placing heat-sensitive components directly beneath the retimer. Validate junction temperature across ambient temperature and worst-case traffic.
Do not treat a distributor cross-reference tool result as proof of drop-in compatibility. The verified sources contain no named pin-compatible substitute for VSC8256EV. A true replacement would require the same FCBGA ballout, compatible supply and reference-clock pins, equivalent high-speed lane behavior, and verified protocol functionality; otherwise a board redesign may be required.
Thông tin tuân thủ
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred.
