MAX3676EHJ+

Overview

The MAX3676EHJ+ is a clock recovery integrated circuit designed for SONET/SDH applications, manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 3V to 5.5V and supports PECL differential input and output signals. The device features an internal PLL and handles frequencies up to 622.08MHz with a 2:02 input-to-output ratio. Packaged in a 32-TQFP (5x5) surface-mount case, it functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrated PLL for clock recovery in SONET/SDH systems
• Supports PECL differential input and output interfaces
• Operates at frequencies up to 622.08MHz
• Available in a 32-TQFP surface-mount package

Applications

• SONET/SDH network equipment
• Clock recovery circuits
• Telecommunications timing systems

Procurement Notes

Verify the specific manufacturer lot code and date code upon receipt to ensure component authenticity. Confirm that the 32-TQFP package dimensions match the design footprint requirements. Check for any RoHS compliance documentation if required by local regulations. Ensure storage conditions adhere to moisture sensitivity level guidelines before soldering.

Selection Notes

Select this component when a dedicated clock recovery solution for SONET/SDH is required. Ensure the system design accommodates the 3V to 5.5V supply voltage range. Verify that PECL signaling levels are compatible with upstream and downstream logic. Consider the 32-TQFP thermal characteristics for adequate heat dissipation in the final enclosure.

Part Context

This part belongs to the Maxim Integrated portfolio, now part of Analog Devices Inc. It is categorized under Application Specific Clock/Timing ICs. The 32-TQFP package is standard for this series, providing a compact form factor for high-density PCB layouts in telecommunications infrastructure.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official distributor databases or manufacturer cross-reference tools for potential alternatives.