Description:The 831721I is a high-performance, differential HCSL clock/data multiplexer and fanout buffer. The device is designed for the multiplexing of high-frequency clock and data signals. The device has two differential, selectable clock/data inputs. The selected input signal is output at one differential HCSL output. Each input pair accepts HCSL, LVDS, and LVPECL levels. The 831721I is characterized to operate from a 3.3V power supply. Guaranteed input, output-to-output and part-to-part skew characteristics make
Renesas provides a recommended PCB layout guide in their application note (APN) documents, which can be found on their website. The guide includes thermal vias, heat sink recommendations, and PCB layer stack-up suggestions to ensure optimal thermal performance.
Renesas recommends a specific power sequencing scheme to ensure proper device operation. This information can be found in the device's user manual or application notes. Typically, the sequence involves powering up the voltage rails in a specific order, with a delay between each rail to prevent voltage overshoots.
Renesas provides guidelines for decoupling capacitor selection in their application notes. The recommended capacitors typically include a combination of ceramic and electrolytic capacitors with specific values and placement recommendations to ensure noise reduction and stable operation.
Renesas offers troubleshooting guides and FAQs on their website, which provide step-by-step procedures for identifying and resolving common issues. Additionally, engineers can use debugging tools, such as logic analyzers or oscilloscopes, to analyze the device's behavior and identify the root cause of the problem.
Yes, Renesas provides EMI/EMC guidelines and recommendations in their application notes and user manuals. These guidelines cover topics such as PCB layout, shielding, and filtering to ensure compliance with regulatory requirements and minimize electromagnetic interference.
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
831721AGILF Overview
Use the download button to access the 831721AGILF schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like 83172,
or try a keyword search, such as Clock Drivers
