180M-53LF

Overview

The Renesas 180M-53LF is a spread spectrum clock generator integrated circuit designed for low electromagnetic interference applications. It operates with a maximum frequency of 28MHz and accepts input from clocks or crystals. The device features a single channel configuration with a 1:1 input-to-output ratio, utilizing CMOS output signals. It functions within a supply voltage range of 3.135V to 5.5V and supports surface mount installation in an 8-SOIC package measuring 0.154 inches (3.90mm) in width. The component is rated for operation between 0°C and 70°C.

Feature Summary

• Generates spread spectrum output clock signals to reduce electromagnetic interference
• Pin and function compatible with Cypress W180-53 equivalents
• Integrates Phase-Locked Loop technology for precise frequency generation
• Supports crystal or clock inputs for flexible system integration

Applications

• Low EMI clock distribution systems
• General-purpose digital circuit timing
• Systems requiring spread spectrum modulation for compliance

Procurement Notes

Verify the specific ordering suffix and package variant against current manufacturer documentation, as availability may vary by region. Confirm that the component meets required RoHS3 specifications and EAR99 classification for your intended deployment. Check for any recent Product Change Notifications regarding assembly facilities or labeling updates before finalizing procurement plans.

Selection Notes

Select this component when a 28MHz spread spectrum clock source is required in an 8-pin SOIC form factor. Ensure the design accommodates the 3.135V to 5.5V supply range and CMOS output levels. Consider the thermal operating limits of 0°C to 70°C during system planning. Verify compatibility with existing crystal or clock input sources to ensure proper signal integrity.

Part Context

The 180M-53LF belongs to the 180M series of spread spectrum clock generators manufactured by Renesas Electronics Corporation. This series is engineered to provide clock signals with modulated frequencies to minimize radiated emissions. The device serves as a direct replacement or equivalent for legacy parts like the Cypress W180-53, maintaining functional compatibility while offering modern manufacturing standards.

Replacement Considerations

The datasheet indicates pin and function compatibility with the Cypress W180-53. No other specific substitute part numbers are publicly confirmed in the provided documentation.