SG-8503CA 125.0M 156.2M-APRLZ0

Overview

The SG-8503CA 125.0M 156.2M-APRLZ0 is a pin-configurable standard clock oscillator from Epson, offering selectable output frequencies of 125.0 MHz and 156.2 MHz. It utilizes LVPECL output logic with a supply voltage range of 2.5V to 3.3V. The device features a frequency stability of ±50 ppm and operates within a temperature range of -40°C to +85°C. Packaged in a compact 6-SMD no-lead surface mount format, it supports tape and reel delivery for automated assembly.

Feature Summary

• Pin-configurable architecture allows selection between two distinct output frequencies via hardware configuration.
• LVPECL output interface ensures high-speed signal integrity for demanding digital applications.
• Wide operating temperature range supports reliable performance in industrial and commercial environments.

Applications

• High-performance networking equipment requiring precise clock synchronization
• Telecommunications infrastructure systems
• Data center server boards and storage arrays

Procurement Notes

Verify the specific ordering suffix matches the required frequency selection (125.0 MHz or 156.2 MHz) and output logic level. Confirm package type and packaging quantity align with production requirements. Ensure compatibility with target supply voltage and load conditions before finalizing procurement.

Selection Notes

Select this component when dual-frequency flexibility is needed within a single footprint. Consider LVPECL compatibility with downstream receivers. Evaluate thermal management needs given the operational temperature range. Verify pin configuration options against board layout constraints to ensure correct frequency selection.

Part Context

This part belongs to Epson's SG-8503CA series of programmable crystal oscillators. These devices are designed for applications requiring stable, low-jitter clock signals. The series offers various frequency options and output types, catering to diverse timing requirements in modern electronic systems.

Replacement Considerations

Direct replacements must match the 6-SMD package, LVPECL output, and selectable frequency capability. Verify equivalent stability and temperature ranges. Consult manufacturer cross-reference lists for confirmed substitutes with identical electrical characteristics.

FAQ

How is the output frequency selected?

The output frequency is determined by the hardware pin configuration, allowing selection between 125.0 MHz and 156.2 MHz.

What is the output logic type?

The device provides Low Voltage Positive Emitter Coupled Logic (LVPECL) outputs.