MC10H643FNR2G

Clock Buffers, Drivers Overview

The MC10H643FNR2G is a clock fanout buffer manufactured by onsemi, designed for high-speed signal distribution in digital systems. It operates with a single circuit and accepts differential ECL or TTL inputs while providing eight TTL outputs. The device supports a maximum frequency of 80 MHz and functions within a supply voltage range of 4.75V to 5.25V. It is housed in a 28-LCC (J-Lead) surface-mount package and is rated for an operating temperature range of 0°C to 85°C.

Clock Buffers, Drivers Feature Summary

• Provides one-to-eight clock signal distribution for system synchronization
• Accepts flexible input logic levels including differential ECL and TTL
• Delivers eight compatible TTL output channels for downstream components

Clock Buffers, Drivers Applications

• Clock distribution networks in microprocessor units
• System timing synchronization in high-speed digital circuits
• Fanout buffering for clock signals in communication equipment

Clock Buffers, Drivers Procurement Notes

Verify component authenticity through authorized distributors due to the prevalence of counterfeit integrated circuits. Confirm that the specific suffix matches the required RoHS compliance status and packaging type. Ensure the supplier provides valid traceability documentation to guarantee the integrity of the semiconductor material and manufacturing process before final acquisition.

Clock Buffers, Drivers Selection Notes

Select this component when a single clock source requires expansion into eight distinct paths with TTL-compatible signaling. Consider the 80 MHz operational limit and the requirement for differential ECL or TTL input compatibility. Evaluate the 28-LCC package dimensions against available PCB real estate and thermal management requirements for the target application environment.

Clock Buffers, Drivers Part Context

This part belongs to the MC10H series of high-speed clock drivers and buffers from onsemi. These devices are engineered for demanding applications requiring precise timing and signal integrity. The family typically includes variants with different output counts and input/output logic combinations to support diverse system architectures.

Clock Buffers, Drivers Replacement Considerations

Consult official cross-reference data for direct substitutes. Verify pinout compatibility and electrical specifications if considering alternative manufacturers. Ensure any replacement maintains the same 28-LCC package form factor and meets the 80 MHz frequency requirement.