VSC8247YJB-02 - 8.5-11.3 Gbps Quad CDR | Microchip
MPN: VSC8247YJB-02 ✓ सक्रियVSC8247YJB-02 अवलोकन
A clock and data recovery IC is a timing and signal-integrity component that extracts or reconstructs a usable clock from a high-speed serial data stream. It belongs to the clock and timing IC hierarchy within broader interface and semiconductor systems. By recovering timing information and retiming data, a CDR can reduce accumulated jitter and help a receiver interpret a serial signal reliably. The VSC8247 combines four channels in one package for multi-lane networking, optical-module, and backplane applications where parallel channel density is important.
The VSC8247 operates across an 8.5 Gbps to 11.3 Gbps line rate, allowing one device family to cover multiple high-speed protocols. Supported applications include 10G Ethernet, SONET, 8G Fibre Channel, 10G QDR InfiniBand, and legacy rates. Its four-channel architecture also makes it suitable for emerging 4×10G and 10×10G CFP-module architectures, as well as high-density photonic integrated circuit designs. Four outputs give each recovered channel a corresponding output path for downstream circuitry.
The device integrates clock recovery and retiming functions rather than functioning only as a passive clock distributor. Retiming establishes a new sampling boundary for received serial data, while clock recovery provides a stable timing reference for the associated channel. This is important in multi-gigabit links where transmission-line effects, package parasitics, connector transitions, and inter-symbol interference can degrade the eye opening. The Microchip VSC8247 datasheet identifies the family as a versatile CDR and retimer for 10G-class serial communication.
Typical deployments include 10G Ethernet equipment, SONET/SDH interfaces, Fibre Channel systems, QDR InfiniBand links, CFP optical modules, and high-density photonic integrated circuits. The quad-port configuration reduces the number of discrete timing devices needed in a four-lane design, while a single 13 mm by 13 mm FCBGA can support dense line-card and pluggable-module layouts.
Designers should evaluate the complete receiver channel rather than relying on nominal line-rate capability alone. Signal losses, connector and package parasitics, reference-clock quality, board-level jitter, and the available power architecture can all affect margin. Confirm the manufacturer’s recommended layout, reference-clock requirements, decoupling network, impedance-controlled interfaces, and thermal conditions against the Microchip VSC8247 datasheet before releasing a high-speed PCB.
This product summary consolidates the verified operating range, channel count, output count, supported protocols, package information, and manufacturer datasheet reference for engineers evaluating the VSC8247YJB-02 in high-speed serial-interface designs.
के लिए ड्रॉप-इन विकल्प VSC8247YJB-02 — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस उत्पाद के लिए कोई drop-in alternatives उपलब्ध नहीं।
विकल्प अनुरोध करेंVSC8247YJB-02 विशेषताएं
| Product Type | Clock and Data Recovery (CDR) and Retimer IC |
| Channel Count | 4 channels |
| Output Count | 4 outputs |
| Operating Line Rate | 8.5 Gbps to 11.3 Gbps |
| Minimum Supported Line Rate | 8.5 Gbps |
| Maximum Supported Line Rate | 11.3 Gbps |
| Ethernet Support | 10G Ethernet |
| Telecom Support | SONET and SDH applications |
| Fibre Channel Support | 8G Fibre Channel |
| InfiniBand Support | 10G QDR InfiniBand protocols |
| Legacy Rate Support | Supported |
| पैकेज | 144-FCBGA (13 mm x 13 mm) |
| माउंटिंग प्रकार | Surface Mount |
VSC8247YJB-02 144-fcbga (13 mm x 13 mm) पिन कॉन्फ़िगरेशन गाइड
VSC8247YJB-02 (144-fcbga (13 mm x 13 mm) पैकेज) के लिए पिन कॉन्फ़िगरेशन। पिन नंबरिंग, फ़ंक्शन और कनेक्शन आरेख निर्माता डेटाशीट में परिभाषित हैं। सटीक फुटप्रिंट और सोल्डरिंग दिशानिर्देशों के लिए इसे देखें।
इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: VSC8247YJB-02.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
VSC8247YJB-02 के लिए उपयुक्त है 6 अनुप्रयोगs: 10G Ethernet Receive Channels, SONET and SDH Line Interfaces, 8G Fibre Channel Links, 10G QDR InfiniBand Interconnects, CFP Optical Module Interfaces, Photonic Integrated Circuit Systems.
10G Ethernet Receive Channels
The VSC8247YJB-02 fits four-lane 10G Ethernet receive paths because it combines four CDR channels with four outputs over an 8.5 Gbps to 11.3 Gbps operating range. Each channel can recover timing and retime a high-speed serial stream before downstream decoding or packet-processing circuitry. This channel density reduces the number of separate recovery devices required in a line card. According to the Microchip VSC8247 datasheet, 10G Ethernet is a supported application. Final qualification should include channel-loss, jitter, reference-clock, and Ethernet-protocol testing.
अनुशंसित
SONET and SDH Line Interfaces
The VSC8247YJB-02 is appropriate for multi-channel SONET and SDH interface designs requiring clock recovery from high-speed serial data. Its 8.5 Gbps to 11.3 Gbps range covers the operating region identified for the VSC8247 family, while four channels and four outputs support parallel receiver integration. Clock recovery and data retiming can establish a cleaner sampling boundary before signal reaches the next processing stage. The Microchip VSC8247 datasheet explicitly identifies SONET and SDH among supported applications.
अनुशंसित
8G Fibre Channel Links
The VSC8247YJB-02 can support 8G Fibre Channel receivers because the Microchip VSC8247 family is specified for 8G Fibre Channel protocols. Four recovered channels in one device can simplify the timing architecture of a multi-lane storage interface while reducing board area compared with discrete single-channel implementations. The 144-FCBGA package still requires careful escape routing and controlled impedance. Designers should verify jitter performance, channel margin, reference-clock quality, and protocol-specific test results on the finished interconnect.
अनुशंसित
10G QDR InfiniBand Interconnects
The VSC8247YJB-02 aligns with 10G QDR InfiniBand links because the Microchip family supports 10G QDR InfiniBand protocols and operates from 8.5 Gbps to 11.3 Gbps. Four channels allow a compact implementation of a multi-lane receive path, with one recovery and retiming channel assigned to each high-speed lane. This is especially useful where board area and channel density are important. The implementation must still account for insertion loss, connector transitions, package parasitics, jitter budget, and compliant test procedures.
अनुशंसित
CFP Optical Module Interfaces
The VSC8247YJB-02 fits CFP-module architectures requiring several recovered high-speed lanes in a compact package. The Microchip VSC8247 datasheet identifies 4×10G and 10×10G CFP-module designs as suitable applications for the family. Four channels and four outputs support the receiver side of a multi-lane module while limiting the number of discrete timing components. At these rates, controlled impedance, short high-speed traces, careful BGA escape routing, and a low-jitter reference clock are essential for dependable channel operation.
अनुशंसित
Photonic Integrated Circuit Systems
The VSC8247YJB-02 is suitable for high-density photonic integrated circuit designs that require multiple recovered clock and data outputs from compact high-speed optical-electrical interfaces. Its four-channel implementation and 13 mm by 13 mm FCBGA package help align with the density goals of photonic modules and advanced communication equipment. The CDR and retimer functions can support cleaner downstream sampling of recovered lanes. Optical-module designers must evaluate channel bandwidth, loss tolerance, power delivery, thermal conditions, and package-level escape routing.
अनुशंसित
के लिए इंजीनियरिंग संदर्भ डेटा VSC8247YJB-02 — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद |
|---|---|
| Brand | Microchip Technology |
| Package | 144-FCBGA (13 mm x 13 mm) |
| Product Type | CDR and Retimer IC |
| Channel Count | 4 channels |
| Output Count | 4 outputs |
| Operating Line Rate | 8.5 Gbps to 11.3 Gbps |
| Ethernet Protocol Support | 10G Ethernet |
| Fibre Channel Support | 8G Fibre Channel |
| InfiniBand Support | 10G QDR InfiniBand |
| Telecom Protocol Support | SONET and SDH |
मुख्य विशेषताएँ
- Four recovery channels integrated in one device (बनामA conventional single-channel clock buffer)
- Broad 10G-class line-rate coverage (बनामA narrow-rate single-purpose CDR)
- High channel density in a compact package (बनामFour discrete single-channel timing devices)
डिज़ाइन नोट्स
Treat every high-speed serial path as a controlled-impedance transmission line and follow the Microchip VSC8247 reference-layout guidance. Keep BGA escape routes short, minimize branch stubs, provide continuous reference planes, and place termination and decoupling components at the locations shown in the manufacturer design material. The 13 mm by 13 mm 144-FCBGA can support dense routing, but four adjacent multi-gigabit channels require disciplined differential trace geometry and careful separation from noisy power paths.
Evaluate the full receiver channel from connector or optical-device output through BGA escape routing, package parasitics, and PCB traces. Account for insertion loss, return loss, crosstalk, skew, and connector transitions when creating the jitter and eye-margin budget. The VSC8247 operating range of 8.5 Gbps to 11.3 Gbps identifies supported line rates, but it does not guarantee a particular channel margin without the physical interconnect and its loss characteristics.
Use the manufacturer-recommended power topology, decoupling values, and placement for every supply and ground connection. Place high-frequency decoupling capacitors close to the relevant 144-FCBGA balls and keep their current loops compact; route supply and return paths to minimize differential inductance. Separate sensitive clock and data-return paths from switching-node and high-current traces where the board stack-up permits, and confirm ripple and transient requirements against the device electrical limits.
अनुपालन जानकारी
The manufacturer datasheet identifies the VSC8247 family, but the available product information does not state the requested compliance statuses. AEC-Q100 qualification is not indicated for this ordering code.
