VSC7227YKV - 12-Channel 14.5 Gbps Retimer | Microchip Technology
MPN: VSC7227YKV ✓ ActiveVSC7227YKV Overview
A retimer is a high-speed interface IC that receives a serial signal, recovers the transmitted clock and data, applies configurable signal conditioning, and retransmits a cleaner signal at the specified line rate. In the device hierarchy, the VSC7227YKV is a specialized telecom interface IC, functionally related to clock and data recovery ICs, equalizers, channel extenders, and SerDes retimers. Unlike a passive redriver, a retimer can regenerate the data and clock rather than merely amplifying the waveform.
The verified product information identifies the device as a multirate 14.5 Gbps, 12-channel interface. The accompanying -01 ordering variant is specifically described as supporting clock and data recovery and adaptive receive equalization. These functions address signal degradation caused by connector and PCB losses, making the device relevant to links whose channel margin is insufficient for reliable endpoint-only equalization.
The VSC7227YKV operates in the high-speed telecommunications signal-integrity domain, where bit errors, jitter, insertion loss, and impedance discontinuities determine whether a link can close at the intended rate. Its 144-FCBGA package provides 144 electrical contacts for a dense, multichannel implementation, although the verified source data does not publish the complete pin assignments, power rails, or individual lane configuration details.
Typical applications include telecommunications backplanes, optical module host interfaces, high-speed line cards, server-rack interconnect fabrics, and other multirate links that require receive-side clock recovery and adaptive equalization. Because it handles 12 channels in one package, it can simplify board partitioning compared with discrete single-channel retimer designs, provided the board stack-up and channel budget support the required signal integrity.
Design evaluation must begin with the Microchip datasheet and application guidance for supported data rates, reference-clock requirements, power sequencing, and per-lane equalization. The verified search results do not expose lane-by-lane pinout, maximum supply voltage, operating temperature, or thermal-resistance data, so those values should not be inferred. Validate channel loss, jitter budget, BER targets, connector and via geometry, and thermal behavior before releasing a production board.
This page separates verified product facts from unverified engineering parameters and combines the available pricing, channel-extender identification, and -01 family comparison with practical selection guidance. It also documents why a true drop-in replacement requires exact package and pin compatibility rather than merely a similar 14.5 Gbps retimer.
Drop-in alternatives for VSC7227YKV — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
VSC7227YKV-01
✅ Drop-In📋 Reference alternative (not in catalog)
VSC7227YKV Specifications
| Product Type | Telecom IC channel extender |
| Channel Count | 12 channels |
| Maximum Data Rate | 14.5 Gbps |
| Data Rate Classification | Multirate |
| Signal Conditioning | Adaptive receive equalization |
| Clock Function | Clock and data recovery |
| Package | 144-FCBGA (13 x 13 mm) |
| Pin Count | 144 pins |
| Mounting Type | Surface mount |
| Component Classification | Interface - Specialized |
| Product Category | Telecom IC |
| Manufacturer | Microchip Technology |
VSC7227YKV 144-fcbga (13 x 13 mm) Pin Configuration Guide
Pin configuration for VSC7227YKV (144-fcbga (13 x 13 mm) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for VSC7227YKV.
Refer to the datasheet for full pin configuration.
Typical Applications
VSC7227YKV is suitable for 6 applications: Telecommunications Backplane Links, Optical Module Host Interfaces, High-Speed Line Cards, Server and Data-Center Interconnect, High-Speed Test and Measurement, Adaptive Receive Equalization Systems.
Telecommunications Backplane Links
The VSC7227YKV fits multirate backplane links that need channel extension beyond the loss and jitter budget of a direct endpoint connection. Its verified 12-channel organization permits multiple lanes to be handled in one 144-FCBGA device, while the 14.5 Gbps classification supports high-speed telecommunications signaling. Clock and data recovery regenerates the transmitted information and timing at the receive side, and adaptive receive equalization compensates for frequency-dependent channel loss. In a new design, engineers should compare the retimer's supported rates, reference-clock architecture, equalization reach, and per-lane error metrics against the actual backplane insertion-loss budget.
Optical Module Host Interfaces
The VSC7227YKV is suitable for host-side interfaces where an optical module output must cross connector and PCB losses before reaching a line-card ASIC. Adaptive receive equalization can restore signal integrity on a degraded high-speed lane, while clock and data recovery supplies a usable timing and data stream to the endpoint. The 12-channel capacity allows a module-facing board to consolidate several links rather than distributing separate discrete retimers across the PCB. The verified information does not state lane rates below the 14.5 Gbps class, so optical protocol compatibility, lane direction, reference clock, and achievable bit error rate must be confirmed in the manufacturer documentation.
High-Speed Line Cards
The VSC7227YKV can support line-card front-panel and backplane links that exceed the loss margin of direct board-to-board routing. At up to 14.5 Gbps and across 12 channels, it is positioned for dense switching, aggregation, and transport equipment rather than low-speed peripheral interfaces. The regenerated clock and data stream reduces reliance on the far-end receiver to recover timing through severe channel attenuation, while adaptive equalization is specifically relevant to backplanes, connectors, and cables that introduce insertion loss. System validation should model the worst-case channel, connector launch, via transitions, and BER margin before fixing the retimer configuration.
Server and Data-Center Interconnect
The VSC7227YKV may be considered for server-rack and data-center interconnect paths that use 14.5 Gbps-class signaling and require active receive conditioning. Twelve-channel packaging can simplify dense interface consolidation, while adaptive receive equalization helps recover links affected by connector and PCB loss. Clock and data recovery provides regenerated timing and data at the receiving endpoint, which is useful when the direct channel margin is inadequate. The part should not be treated as a generic protocol converter: the application must align with the supported lane rates, reference-clock architecture, electrical specifications, and error-management features documented by Microchip.
High-Speed Test and Measurement
The VSC7227YKV can fit instrumentation and automated test equipment that must exercise impaired or extended high-speed channels. Adaptive receive equalization makes it possible to characterize how a receiver behaves across changing insertion loss, while clock and data recovery provides the endpoint with deterministic timing and data recovery. Its 12-channel density can be valuable in multi-lane compliance, signal-integrity, and channel-characterization systems. Verification should account for the actual pattern generation and analysis requirements, since the verified source information identifies the interface role and data rate but does not provide test pattern, monitoring, or loopback features.
Adaptive Receive Equalization Systems
The VSC7227YKV is appropriate for receive paths where attenuation and frequency-dependent loss degrade a high-speed serial signal before endpoint recovery. Its adaptive receive equalization function is intended to adjust the receive response for the channel, while clock and data recovery reconstructs usable timing and data. Combining those functions can reduce sensitivity to connector and routing loss compared with relying only on endpoint equalization. Design work should begin with a channel impulse-response and insertion-loss model, then verify equalization reach, jitter tolerance, lock behavior, and BER using the manufacturer's characterized configurations and reference designs.
Engineering reference data for VSC7227YKV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | VSC7227YKV-01 |
|---|---|---|
| Package | 144-FCBGA (13 x 13 mm) | 144-FCBGA (13 x 13 mm) - manufacturer validation required |
| Brand | Microchip Technology | Microchip Technology |
| Device Type | Telecom IC channel extender | Telecom interface |
| Clock and Data Recovery | Supported as identified for the related -01 ordering variant | Supported |
| Adaptive Receive Equalization | Supported as identified for the related -01 ordering variant | Supported |
| Verified Starting Price | $45.1188 as of 2026-10-29 | $21.6086 as of 2026-10-29 |
Key Differentiators
- Combines channel extension with clock and data recovery in a 12-channel device (vs VSC7227YKV-01)
- Explicit maximum-rate positioning (vs VSC7227YKV-01)
- Lower verified reference price for the -01 candidate (vs VSC7227YKV-01)
- Dense 144-contact channel integration (vs VSC7227YKV-01)
Design Notes
Treat the complete receive channel as one signal-integrity system. Include connector launches, package transitions, PCB vias, return-path discontinuities, and the receiving endpoint in the insertion-loss and jitter budget before assigning equalization settings. The VSC7227YKV is specified at up to 14.5 Gbps, where frequency-dependent dielectric and conductor loss can materially reduce eye margin. Validate with the manufacturer's reference channel and BER setup rather than inferring reach from nominal data rate alone.
Use the official 144-FCBGA land pattern and ball map from the Microchip package documentation; no complete pin assignment is available in the supplied source snippets. Preserve symmetric escape routing for all high-speed differential pairs, minimize via stubs, provide continuous reference planes, and avoid splits across layer transitions. Confirm the exposed-pad or thermal-ball connection and its thermal-via pattern directly from the package drawing because those requirements cannot be inferred from the 13 x 13 mm body size.
The actual dissipation depends on enabled lanes, supported data rate, supply voltage, equalization activity, and the operating mode, none of which are supplied here. Obtain the manufacturer power table, estimate worst-case dissipation for all 12 channels, and evaluate it with the official FCBGA thermal model and actual PCB copper and airflow. Do not use the package name alone as proof that no heatsink or thermal management is required.
Do not treat the VSC7227YKV-01 suffix change as proof of drop-in equivalence without checking the Microchip ordering guide. Verify the ball map, supported rates, power-up requirements, reference-clock source, configuration method, and lane enable behavior. The verified price difference is commercially significant, but using an electrically or logically different ordering option can invalidate the channel budget, board bring-up, or production firmware assumptions.
Compliance Information
The supplied verified web snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the manufacturer or package type.
