Description:The 8V79S680 is a fully integrated, clock and SYSREF signal fanout buffer for JESD204B applications. It is designed as a high-performance clock and converter synchronization solution for wireless base station radio equipment boards with JESD204B subclass 0, 1 and 2 compliance. The main function of the device is the distribution and fanout of high-frequency clocks and low-frequency system reference signals generated by a JESB204B clock generator such as the 8V19N480, extending its fanout capabilities and pro
Renesas provides a recommended PCB layout guide in their application notes (e.g., AN9834) and design guides (e.g., DG0034). It's essential to follow these guidelines to ensure optimal performance, minimize noise, and reduce EMI.
The 8V79S680NLGI has a complex clock tree architecture. Renesas provides a clock tree configuration tool (CTCT) that helps engineers configure the clock tree for their specific application. The tool is available on the Renesas website.
The 8V79S680NLGI has a high power density, and thermal management is crucial. Renesas recommends using thermal vias, thermal pads, and heat sinks to dissipate heat. The device's thermal resistance (θJA) is specified in the datasheet, and engineers should design their PCB and system accordingly.
Power sequencing is critical for the 8V79S680NLGI. Renesas provides guidelines for power sequencing in their application notes and design guides. Engineers should ensure that the power supplies are sequenced correctly to prevent damage to the device.
The 8V79S680NLGI is a high-frequency device, and EMI and RFI are significant concerns. Renesas recommends using shielding, filtering, and grounding techniques to minimize EMI and RFI. Engineers should also follow good PCB design practices, such as using a solid ground plane and minimizing signal loop areas.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
8V79S680NLGI Overview
Use the download button to access the 8V79S680NLGI schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 8V79S,
or try a keyword search, such as Clock Drivers
