NB3N121KMNG

Clock Buffers, Drivers Overview

The NB3N121KMNG is a clock fanout buffer manufactured by onsemi, designed for high-speed signal distribution. It features a single input to twenty-one output configuration with a maximum operating frequency of 400 MHz. The device utilizes HCSL output logic and accepts differential inputs compatible with CML, LVCMOS, LVDS, LVPECL, and LVTTL standards. It operates within a supply voltage range of 3V to 3.6V and is housed in a 52-VFQFN exposed pad package.

Clock Buffers, Drivers Feature Summary

• 1:21 Clock Fanout Buffer (Distribution)
• Maximum Frequency: 400 MHz
• HCSL Output Type
• Differential Input/Output Support

Clock Buffers, Drivers Applications

• High-speed clock distribution networks
• Data center infrastructure timing
• Telecommunications equipment synchronization

Clock Buffers, Drivers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and environmental compliance. Confirm that the 52-VFQFN footprint matches the target PCB design requirements before finalizing procurement orders.

Clock Buffers, Drivers Selection Notes

Select this component when a single differential clock source requires expansion into twenty-one parallel HCSL paths. Ensure the system power supply remains stable between 3V and 3.6V to maintain signal integrity at frequencies up to 400 MHz.

Clock Buffers, Drivers Part Context

This part belongs to the NB3N121 family of clock buffers. It serves as a distribution element within onsemi's portfolio of timing solutions, specifically engineered for applications requiring low jitter and high fanout capabilities in dense electronic systems.

Clock Buffers, Drivers Replacement Considerations

Direct substitutes include other 1:21 HCSL fanout buffers from onsemi or competitors offering identical pinouts and electrical characteristics. Verify thermal performance and package dimensions when considering alternative vendors.