512ACA000126AAGR

Overview

The 512ACA000126AAGR is a standard clock oscillator from Skyworks Solutions, classified as an LVPECL XO with pin-configurable capabilities. It operates on a 3.3V supply and features dual frequency outputs of 128.788MHz and 156.25MHz. The device supports enable/disable functionality and draws a maximum current of 43mA. It utilizes a 6-SMD, no-lead package measuring 7.00mm x 5.00mm x 1.80mm. Frequency stability is specified at ±20ppm, with an operating temperature range spanning -40°C to +85°C.

Feature Summary

• Dual frequency output capability providing 128.788MHz or 156.25MHz
• LVPECL output format for high-speed signal integrity
• Pin-configurable design allowing flexible integration
• Enable/disable control function for power management

Applications

• High-performance computing systems requiring precise timing
• Telecommunications infrastructure equipment
• Data center networking hardware
• Industrial control systems demanding stable clocks

Procurement Notes

Verify the specific frequency requirement (128.788MHz vs 156.25MHz) against system specifications before ordering. Confirm that the LVPECL output format matches the receiving circuit's input requirements. Ensure the 6-SMD package dimensions fit the designated PCB footprint. Check for any recent product change notifications regarding manufacturing updates.

Selection Notes

Select this component when dual-frequency flexibility is required within a single package form factor. The LVPECL interface suits applications needing robust signal transmission over longer traces. Consider the ±20ppm stability for general-purpose clocking needs. Evaluate the 3.3V supply compatibility with existing system voltage rails.

Part Context

This part belongs to the Si512 series of pin-configurable oscillators from Skyworks Solutions. These devices are designed to replace multiple fixed-frequency crystals by offering selectable outputs through pin configuration. The series targets applications requiring compact solutions with high performance.

Replacement Considerations

The 512ACA000543AAG is listed as a parameter-equivalent alternative. Verify if the substitute meets all electrical and mechanical requirements before substitution.