Microchip Technology

SY87721LHI  

Application Specific Clock/Timing ICs

SY87721LHI Description

The SY87721LHI is a high-performance clock/data recovery IC designed for Ethernet, SONET/SDH, and ATM applications. Manufactured by Microchip Technology, this device is part of the AnyRate® series and is housed in a 64-TQFP package. It features a 1:6 input-to-output ratio, supporting differential signaling on both input and output stages, making it suitable for high-speed data transmission. The SY87721LHI operates within a supply voltage range of 3.15V to 3.45V and can achieve a maximum frequency of 2.7GHz. It supports both CML and PECL output formats, providing flexibility in system design. The device also includes a PLL (Phase-Locked Loop) for precise timing control. Despite its obsolescence, the SY87721LHI remains a robust solution for applications requiring reliable clock and data recovery.

SY87721LHI Features

• Input/Output Capability: The SY87721LHI offers a 1:6 input-to-output ratio, enabling it to handle multiple data streams efficiently. It supports differential signaling on both the input and output stages, ensuring high signal integrity and reduced electromagnetic interference.
• High-Speed Performance: With a maximum operating frequency of 2.7GHz, the SY87721LHI is capable of handling high-speed data transmission, making it ideal for demanding applications such as Ethernet and SONET/SDH.
• Flexible Output Formats: The device supports both CML (Current Mode Logic) and PECL (Positive Emitter-Coupled Logic) output formats, providing designers with the flexibility to choose the most suitable format for their specific application needs.
• PLL Integration: The inclusion of a PLL ensures precise timing control, which is crucial for maintaining data integrity and synchronization in high-speed communication systems.
• Supply Voltage Range: Operating within a supply voltage range of 3.15V to 3.45V, the SY87721LHI offers compatibility with a variety of power supply configurations.
• Surface Mount Technology: The SY87721LHI is designed for surface mount applications, facilitating easy integration into modern printed circuit board (PCB) designs and enabling compact system form factors.
• Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 3 (168 hours), the device is suitable for a wide range of manufacturing environments, ensuring reliability during the assembly process.

SY87721LHI Applications

The SY87721LHI is particularly well-suited for applications requiring high-speed clock and data recovery, such as:

• Ethernet Networks: Ideal for recovering clock signals in high-speed Ethernet environments, ensuring reliable data transmission and synchronization.
• SONET/SDH Systems: Provides precise clock recovery for SONET/SDH systems, maintaining data integrity and synchronization across long distances.
• ATM (Asynchronous Transfer Mode) Applications: Supports clock and data recovery in ATM networks, facilitating efficient data transmission and processing.
• Telecommunications Infrastructure: Enhances the performance of telecommunication systems by providing reliable clock and data recovery, ensuring high-quality signal transmission.

Conclusion of SY87721LHI

The SY87721LHI is a versatile and high-performance clock/data recovery IC designed for demanding applications in the Ethernet, SONET/SDH, and ATM domains. Its unique features, such as the 1:6 input-to-output ratio, differential signaling, and support for multiple output formats, make it a valuable component for high-speed data transmission systems. Despite its obsolescence, the SY87721LHI remains a reliable choice for applications requiring robust clock and data recovery solutions. Its integration of a PLL and compatibility with various supply voltages further enhance its suitability for modern electronic designs. For engineers and designers seeking a proven and reliable clock/data recovery solution, the SY87721LHI is a noteworthy option.

SY87721LHI Documents

Download datasheets and manufacturer documentation for SY87721LHI