554AA000127DG

Pin ConfigurableSelectable Oscillators Overview

The Skyworks Solutions Inc. 554AA000127DG is a VCXO oscillator from the Si554 series, housed in an 8-SMD, No Lead package measuring 7 mm x 5 mm with a height of 1.8 mm. It operates on a 3.3 V supply voltage within a range of 2.97 V to 3.63 V. The device supports a frequency range of 10 MHz to 1.4 GHz and features LVPECL output format. It has a load capacitance of 15 pF and draws a maximum current of 130 mA. The component functions reliably across a temperature range of -40°C to +85°C.

Pin ConfigurableSelectable Oscillators Feature Summary

• Supports pin-configurable or selectable operation for flexible integration
• Provides differential LVPECL output signal format
• Features enable/disable functionality for power management

Pin ConfigurableSelectable Oscillators Applications

• Telecommunications infrastructure equipment
• Datacom and high-speed networking systems
• Test and measurement instruments requiring precise clocking

Pin ConfigurableSelectable Oscillators Procurement Notes

Verify that the specific part number suffix matches the required output configuration and frequency selection before procurement. Confirm that the ordering suffix corresponds exactly to the desired pinout and operational parameters as defined in the official datasheet. Ensure compatibility with the target system's voltage levels and interface requirements to prevent functional mismatches during implementation.

Pin ConfigurableSelectable Oscillators Selection Notes

Select this component when a wide tunable frequency range up to 1.4 GHz is required alongside low phase noise performance. Consider the LVPECL output format for high-speed digital interfaces. Evaluate the 130 mA current consumption against system power budgets. Verify that the 7 mm x 5 mm footprint fits the available PCB space constraints.

Pin ConfigurableSelectable Oscillators Part Context

This model belongs to the Skyworks Si554 family of pin-configurable VCXOs. These oscillators are designed for applications demanding high stability and flexibility. The 554AA000127DG specifically utilizes the LVPECL output standard, distinguishing it from CMOS or CML variants within the same series. It shares common mechanical dimensions and basic electrical characteristics with other members of the family.

Pin ConfigurableSelectable Oscillators Replacement Considerations

Direct substitutes within the Si554 series may include models with different output formats such as CMOS (e.g., 554CC...) or CML (e.g., 554DD...), provided the application can accommodate the interface change. Other pin-configurable VCXOs from Skyworks should be evaluated based on matching frequency ranges and supply voltage requirements.