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MK1491-09F

MK1491-09F Description

The MK1491-09F is a high-performance clock frequency synthesizer specifically designed for AMD CPUs. Manufactured by Renesas Electronics Corporation, this IC offers a wide range of features and benefits tailored for precision timing applications. The device operates within a temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions. It is housed in a surface-mount package, making it suitable for compact and space-constrained designs. The MK1491-09F is powered by a supply voltage ranging from 3.15V to 3.45V and is capable of generating clock outputs with a maximum frequency of 66MHz. The device employs a crystal input and features a phase-locked loop (PLL) to ensure stable and accurate clock signals. Although the product is now obsolete, its robust design and specifications make it a reliable choice for legacy systems and specific applications where its unique features are required.

MK1491-09F Features

• High-Frequency Performance: The MK1491-09F can generate clock signals up to 66MHz, making it suitable for high-speed processing applications.
• Phase-Locked Loop (PLL): The integrated PLL ensures precise frequency control and stability, minimizing jitter and phase noise.
• Crystal Input: Utilizing a crystal oscillator as the input source provides high accuracy and reliability.
• Surface-Mount Technology: The surface-mount package allows for easy integration into compact designs, reducing the overall footprint on the PCB.
• Wide Operating Temperature Range: The device operates reliably between 0°C and 70°C, making it suitable for a variety of industrial and commercial applications.
• Supply Voltage Flexibility: The MK1491-09F operates within a supply voltage range of 3.15V to 3.45V, providing flexibility in power supply requirements.
• Single Circuit Design: The device is designed with a single circuit, simplifying integration and reducing complexity in system design.
• Moisture Sensitivity Level (MSL) 1: The MSL rating of 1 indicates that the device is not sensitive to moisture, ensuring long-term reliability and ease of handling during manufacturing processes.

MK1491-09F Applications

The MK1491-09F is ideal for applications requiring precise clock generation and synchronization, particularly in systems utilizing AMD CPUs. Its high-frequency capabilities and stable performance make it suitable for:

• Computer Systems: Providing accurate clock signals for AMD-based processors in desktop and server applications.
• Telecommunications: Ensuring reliable timing in communication systems where precise synchronization is critical.
• Industrial Control Systems: Offering stable clock signals for microcontrollers and processors in industrial automation and control applications.
• Consumer Electronics: Enabling high-speed processing in devices such as gaming consoles, multimedia systems, and other consumer electronics that require precise timing.

Conclusion of MK1491-09F

The MK1491-09F is a versatile and reliable clock frequency synthesizer designed to meet the demanding requirements of high-speed processing applications. Its robust features, including a phase-locked loop, crystal input, and wide operating temperature range, make it an excellent choice for ensuring precise timing and synchronization. Although now obsolete, the MK1491-09F remains a valuable component for legacy systems and specific applications where its unique capabilities are essential. Its surface-mount package and moisture sensitivity level of 1 further enhance its suitability for modern manufacturing processes and long-term reliability. For designers and engineers seeking a high-performance clock solution for AMD CPUs, the MK1491-09F offers a proven and reliable option.