Asahi Kasei Microdevices Tariff Inquiry

AK8142

AK8142 Description

The AK8142 is an integrated clock generator with a Phase-Locked Loop (PLL) designed by Asahi Kasei Microdevices. This obsolete device is housed in a 16TSSOP package and is suitable for surface-mount applications. It operates within a supply voltage range of 3V to 3.6V and is capable of generating clock frequencies up to a maximum of 200MHz. The AK8142 features a 1:2 input-to-output ratio, indicating its ability to multiply the input frequency by two. It is designed to accept crystal inputs and provides clock outputs. The device includes a PLL with bypass functionality, allowing for flexible operation and enhanced performance. It does not support differential signaling for either input or output. The AK8142 is compliant with ROHS3 standards and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions. The product is categorized under Clock/Timing ICs and is available in a Tape & Reel (TR) packaging format.

AK8142 Features

• PLL with Bypass Capability: The AK8142 incorporates a PLL that can be bypassed, offering flexibility in operation modes. This feature allows the device to be used in various configurations, optimizing performance and power consumption based on specific application requirements.
• Frequency Multiplication: With a 1:2 input-to-output ratio, the AK8142 can effectively double the input frequency, making it suitable for applications requiring higher clock frequencies from a lower-frequency crystal input.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 3V to 3.6V, providing compatibility with a variety of power supply systems and ensuring robust performance across different operating conditions.
• High Maximum Frequency: Capable of generating clock frequencies up to 200MHz, the AK8142 is well-suited for high-speed applications requiring precise and reliable clock signals.
• Surface-Mount Compatibility: The AK8142 is designed for surface-mount technology (SMT), which facilitates efficient and compact PCB layouts, ideal for modern electronics manufacturing processes.
• ROHS3 Compliance: The device adheres to ROHS3 standards, ensuring it meets environmental and safety regulations, making it suitable for use in a wide range of industries.
• Moisture Sensitivity Level 1: With an MSL of 1, the AK8142 can be stored without time constraints, reducing the risk of moisture-related damage and ensuring long-term reliability.

AK8142 Applications

The AK8142 is ideal for applications requiring precise clock generation and frequency multiplication. Its ability to double the input frequency makes it particularly useful in systems where a higher clock frequency is needed but a higher-frequency crystal oscillator is impractical or unavailable. Some specific use cases include:

• High-Speed Digital Systems: In applications such as high-speed data processing, networking equipment, and digital signal processing, the AK8142 can provide the necessary clock signals to ensure synchronous operation and high performance.
• Embedded Systems: For embedded systems requiring reliable clock generation, the AK8142 offers a compact and efficient solution. Its surface-mount compatibility and wide supply voltage range make it suitable for integration into various embedded designs.
• Telecommunications: In telecommunication equipment, where precise timing is crucial, the AK8142 can generate the required clock signals to maintain synchronization and ensure reliable data transmission.
• Consumer Electronics: Devices such as routers, modems, and other consumer electronics can benefit from the AK8142's ability to generate high-frequency clock signals, enhancing overall system performance and reliability.

Conclusion of AK8142

The AK8142, despite being an obsolete product, remains a valuable component in the realm of clock generation and timing ICs. Its unique features, such as the PLL with bypass capability, frequency multiplication, and wide supply voltage range, provide significant advantages over similar models. The device's compatibility with surface-mount technology, ROHS3 compliance, and moisture sensitivity level of 1 make it a reliable choice for various applications. While newer alternatives may be available, the AK8142 continues to offer a robust and flexible solution for generating high-frequency clock signals in high-speed digital systems, embedded systems, telecommunications, and consumer electronics. For designers and engineers seeking a proven and reliable clock generator, the AK8142 is a noteworthy option.