AD9574BCPZ-REEL7

Overview

The AD9574BCPZ-REEL7 is a clock generator from Analog Devices Inc. designed for Ethernet and Gigabit Ethernet line card applications. It features a fully integrated VCO/PLL core with redundant input reference clock capability and a reference monitoring function. The device operates on a single 3.3 V supply within an operating temperature range of −40°C to +85°C. It provides multiple output drive formats including HSTL, LVDS, HCSL, and 1.8 V/3.3 V CMOS. Configuration is achieved via strapping pins (PPRx). The component is housed in a space-saving 7 mm × 7 mm 48-lead LFCSP package.

Feature Summary

• Integrated low jitter PLL core with 0.234 ps rms jitter at 156.25 MHz
• Redundant dual reference inputs (REF0, REF1) with automatic switchover
• Reference monitoring function for quality of service status
• Multiple output formats: HSTL, LVDS, HCSL, 1.8 V CMOS, 3.3 V CMOS

Applications

• Ethernet line cards
• Gigabit Ethernet switches and routers
• SATA and PCI Express interfaces
• Low jitter clock generation systems

Procurement Notes

Verify the REEL7 suffix indicates tape and reel packaging when sourcing. Confirm the specific BCPZ variant matches the required lead-free and RoHS compliance standards. Ensure the 48-lead LFCSP footprint aligns with the target PCB layout. Check for any recent Product Change Notices that may affect pinout or electrical specifications.

Selection Notes

Select this component for applications requiring deterministic frequency translations from 19.44 MHz or 25 MHz references. Evaluate the PPRx pin configuration requirements against the desired output frequencies and drive strengths. Consider the power dissipation characteristics, which vary based on active output channels and driver types. Verify thermal performance under maximum load conditions.

Part Context

This part belongs to the AD9574 series of clock generators. The REEL7 designation specifies the bulk packaging format for automated assembly. It is distinct from tray-packaged variants and other members of the family like the AD9576 or AD9577, which offer different channel counts or input/output capabilities.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.