SM840004-11KA-TR

Application Specific Clock/Timing Overview

The SM840004-11KA-TR is a RotaryWave clock synthesizer designed for Ethernet applications. It operates within a supply voltage range of 2.375V to 3.465V and supports frequencies up to 125MHz. The device features an integrated Phase-Locked Loop (PLL) and is housed in a 20-TSSOP package with dimensions of 0.173 inches (4.40mm) width. It is rated for an operating temperature range from -40°C to 85°C.

Application Specific Clock/Timing Feature Summary

• Integrated PLL-based clock synthesis architecture
• Optimized specifically for Ethernet signal integrity
• Surface-mount packaging for automated assembly

Application Specific Clock/Timing Applications

• Ethernet network interface cards
• Network switches and routers
• Industrial communication equipment

Application Specific Clock/Timing Procurement Notes

Verify the component matches the specified 20-TSSOP package and active status. Confirm RoHS compliance and lead-free manufacturing details against the official Microchip datasheet. Ensure the ordering suffix aligns with the required tape and reel quantity specifications.

Application Specific Clock/Timing Selection Notes

Select this component when low jitter performance is critical for Ethernet PHY synchronization. The fixed frequency output capability simplifies design compared to programmable alternatives. Verify that the 2.375V to 3.465V supply range matches the system power architecture before integration.

Application Specific Clock/Timing Part Context

This part belongs to the RotaryWave series, which focuses on reducing jitter in high-speed digital interfaces. It serves as a specialized solution for timing requirements in networking hardware, distinct from general-purpose oscillators or generic clock generators found in other Microchip families.

Application Specific Clock/Timing Replacement Considerations

Consult Microchip documentation for direct pin-compatible substitutes within the SM84000x series. Verify functional equivalence regarding Ethernet-specific jitter specifications before adopting alternative part numbers.