090-00218-002

Overview

The Microsemi Corporation 090-00218-002 is a high-reliability atomic oscillator module designed for precision timing applications. It operates at a nominal frequency of 10 MHz and utilizes CMOS output logic levels. The device is powered by a single 3.3V supply voltage, ensuring compatibility with standard digital logic families. It is housed in a 12-DIP package configuration featuring 9 leads, which facilitates through-hole mounting on printed circuit boards. This component integrates a Chip-Scale Atomic Clock (CSAC) technology to provide exceptional frequency stability and low phase noise without requiring vacuum tube infrastructure.

Feature Summary

• Integrates Chip-Scale Atomic Clock (CSAC) technology for long-term frequency stability
• Provides CMOS output signals compatible with standard digital interfaces
• Operates on a single 3.3V power supply rail
• Utilizes a 12-DIP module form factor with 9 leads for robust mechanical mounting

Applications

• Telecommunications base station synchronization
• Navigation and GPS receiver systems
• Test and measurement equipment requiring precise clock references
• Military and aerospace avionics timing modules

Procurement Notes

Verify the specific revision suffix against the manufacturer's current production status, as legacy Microsemi oscillator part numbers may have undergone obsolescence or pinout modifications. Confirm that the 12-DIP package dimensions match the target PCB footprint exactly. Ensure the 3.3V supply requirement aligns with the system's available voltage rails before integration into the design.

Selection Notes

Select this component when superior long-term stability and immediate warm-up times are required compared to traditional TCXOs or OCXOs. The CSAC architecture offers a balance between performance and size, making it suitable for space-constrained environments. Consider the CMOS output swing and load capacitance requirements to ensure signal integrity across the operating temperature range specified for the module.

Part Context

This oscillator belongs to the SA.45s CSAC series from Microsemi, representing a transition from vacuum-based atomic clocks to solid-state chip-scale solutions. The series is engineered for high-reliability sectors including defense and telecommunications. The 090-00218-002 variant specifically targets 10 MHz reference needs within this family, maintaining the brand's reputation for ruggedized timing components.

Replacement Considerations

Cross-reference with Microsemi part number 090-00218-001 for potential functional equivalents within the same series. Verify pinout compatibility and electrical specifications before substituting, as variations in frequency stability or package lead configuration may exist between closely numbered variants.