Texas Instruments

CDCE421RGET

CDCE421RGET Description

The CDCE421RGET is a high-performance clock generator IC designed by Texas Instruments. This device is part of the Clock/Timing ICs category and is housed in a 24VQFN package, making it suitable for surface-mount applications. Despite being marked as obsolete, the CDCE421RGET remains a robust solution for generating precise clock signals in various electronic systems.

CDCE421RGET Features

• PLL Capability: The CDCE421RGET features a Phase-Locked Loop (PLL), enabling it to generate stable and accurate clock signals. This PLL functionality allows for synchronization with various input sources, enhancing the flexibility of the device.
• Input and Output Options: The device supports LVCMOS and crystal inputs, providing versatility in input signal types. It also offers LVDS and LVPECL output options, making it suitable for high-speed applications that require differential signaling.
• Supply Voltage Range: With a supply voltage range of 3V to 3.6V, the CDCE421RGET is designed to operate efficiently within a specific voltage window, ensuring optimal performance and reliability.
• Frequency Performance: The CDCE421RGET can handle a maximum frequency of up to 1.2GHz, making it ideal for high-frequency applications where precision and stability are critical.
• Compliance and Standards: The device is REACH unaffected and ROHS3 compliant, adhering to environmental and safety standards. It also has a Moisture Sensitivity Level (MSL) of 2 (1 Year), ensuring it can withstand typical manufacturing and storage conditions.
• Differential Signaling: The CDCE421RGET supports differential signaling on its outputs, which helps in reducing noise and improving signal integrity in high-speed applications.
• Programmability: Although the DigiKey programmability status is not verified, the device offers programmable features that allow users to customize its operation to suit specific application requirements.

CDCE421RGET Applications

The CDCE421RGET is well-suited for a variety of applications where high-frequency clock generation and precise timing are essential. Some specific use cases include:

• Telecommunications: In high-speed communication systems, the CDCE421RGET can provide the necessary clock signals for synchronization and data transmission.
• Networking Equipment: For routers, switches, and other networking devices, the device’s ability to generate stable clock signals ensures reliable data processing and transmission.
• High-Speed Data Converters: In applications involving analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), the CDCE421RGET can supply the precise clock signals needed for accurate data conversion.
• Test and Measurement Equipment: In oscilloscopes, spectrum analyzers, and other test equipment, the CDCE421RGET can provide the high-frequency clock signals required for accurate measurements and signal processing.

Conclusion of CDCE421RGET

The CDCE421RGET, despite its obsolete status, remains a valuable component for applications requiring high-frequency clock generation and precise timing. Its robust PLL, versatile input and output options, and compliance with industry standards make it a reliable choice for various electronic systems. While newer alternatives may offer enhanced features, the CDCE421RGET continues to provide excellent performance and reliability, making it a suitable option for legacy systems and specific high-frequency applications.