534AB000756DGR

Pin ConfigurableSelectable Oscillators Overview

The Skyworks Solutions Inc. 534AB000756DGR is a standard clock oscillator from the Si534 series, housed in a 7 mm x 5 mm surface-mount package. It provides four distinct output frequencies: 125 MHz, 156.25 MHz, 250 MHz, and 312.5 MHz. The device operates at a nominal voltage of 3.3 V, with a supply range of 2.97 V to 3.63 V. It features LVPECL output format and maintains a frequency stability of 61.5 PPM. The component supports an operating temperature range from -40°C to +85°C and includes an enable function on pin 2.

Pin ConfigurableSelectable Oscillators Feature Summary

• Quad frequency crystal oscillator providing four selectable output rates within a single compact package
• LVPECL output interface designed for high-speed digital applications requiring differential signaling
• Integrated enable control via Pin 2 for power management and system synchronization

Pin ConfigurableSelectable Oscillators Applications

• High-speed serial communication interfaces such as PCIe and Ethernet
• Data center infrastructure and server timing solutions
• Telecommunications equipment requiring precise clock distribution
• Test and measurement instruments needing stable reference frequencies

Pin ConfigurableSelectable Oscillators Procurement Notes

Verify the specific output frequency configuration against the datasheet, as the Si534 series allows multiple frequency combinations per part number. Confirm the LVPECL output requirement matches the receiving circuit's input logic levels. Ensure the 3.3V supply voltage aligns with the system design constraints. Check the lead time and minimum order quantity requirements directly with authorized distributors, as availability varies by region and production cycle.

Pin ConfigurableSelectable Oscillators Selection Notes

Select this component when a single package must provide multiple related clock frequencies for different subsystems. The LVPECL output is suitable for long trace lengths and high-noise environments. Consider the 61.5 PPM stability if tight jitter budgets are not the primary constraint. Compare with other Si534 variants if lower phase noise or different output formats like CMOS or CML are required for the specific application.

Pin ConfigurableSelectable Oscillators Part Context

This part belongs to the Si534 family of frequency-flexible crystal oscillators from Skyworks Solutions. These devices are designed to replace multiple discrete oscillators, reducing board space and BOM complexity. The 534AB suffix typically denotes the LVPECL output format and 3.3V operation within the quad-frequency lineup.

Pin ConfigurableSelectable Oscillators Replacement Considerations

Direct substitutes include other Skyworks Si534 parts with identical package dimensions and electrical characteristics but different frequency sets. Verify that any replacement maintains the LVPECL output format and 3.3V supply compatibility. Cross-reference the pinout and enable functionality to ensure mechanical and electrical interchangeability.