090-44570-01

Overview

The Microchip Technology part number 090-44570-01 is identified as the MAC-SA57, an ultra-high performance atomic clock oscillator. This component belongs to the Application Specific Clock/Timing category and is designed for critical timing synchronization applications requiring exceptional frequency stability. The product integrates atomic resonance technology to deliver precision timing signals with low phase noise and high reliability across varying environmental conditions.

Feature Summary

• Ultra-high performance atomic clock oscillator
• Integrated atomic resonance for superior frequency stability
• Designed for critical timing synchronization in demanding environments

Applications

• Telecommunications infrastructure requiring precise network synchronization
• Navigation and positioning systems needing stable reference clocks
• Test and measurement equipment demanding low phase noise

Procurement Notes

Verify the specific MAC-SA57 variant against the required operating temperature range and output frequency specifications before procurement. Confirm that the package dimensions and pinout match the target PCB layout. Ensure compliance with relevant industry standards for the intended deployment environment.

Selection Notes

Select this component when standard crystal oscillators fail to meet long-term aging or temperature stability requirements. Evaluate the trade-off between the atomic clock's superior performance and its physical footprint compared to MEMS or TCXO alternatives. Verify power supply constraints align with the oscillator's consumption profile.

Part Context

This part falls under Microchip's portfolio of advanced timing solutions, specifically targeting markets where signal integrity and timing accuracy are paramount. It complements other high-end oscillators by offering atomic-level precision in a compact form factor suitable for modern embedded and industrial designs.

Replacement Considerations

Direct replacements must offer comparable atomic clock performance. Consider models from the same MAC series family if available. Cross-reference frequency stability specs and package compatibility carefully to ensure seamless integration without redesigning the host circuitry.