CY25560SXC

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY25560SXC is a Spread Spectrum Clock Generator (SSCG) manufactured by Infineon Technologies, originally developed by Cypress Semiconductor. It operates within a frequency range of 25 MHz to 100 MHz and utilizes a proprietary phase-locked loop (PLL) to synthesize and frequency modulate reference clock inputs. The device accepts both crystal and external clock signals via the XIN/CLK pin. Configuration of the spread percentage is achieved through tri-level logic on S0 and S1 pins, offering nine selectable options. It features an internal pull-up for the SSCC enable pin and provides center-spread modulation to reduce electromagnetic interference peaks.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Proprietary PLL technology synthesizes and frequency modulates input clocks to lower radiated energy peaks.
• Tri-level logic control on S0 and S1 pins enables selection among nine distinct spread percentage ranges.
• SSCC function allows users to easily disable frequency spread for system performance comparison during EMI testing.
• Accepts both crystal oscillators and external clock signals as reference inputs.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Desktop, notebook, and tablet PCs
• VGA controllers
• LCD panels and monitors
• Printers and multifunction devices (MFP)

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized Infineon distributors or certified secondary market suppliers. Confirm the specific ordering suffix matches the required package type and temperature grade. Review the official datasheet for any recent updates regarding product qualification or environmental compliance documentation before finalizing procurement decisions.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select the CY25560SXC when designing systems requiring EMI reduction in the 25 MHz to 100 MHz range. Ensure the application environment falls within the commercial operating temperature limits of 0 °C to 70 °C. Verify that the target circuit can accommodate the 8-pin SOIC package dimensions and power supply requirements specified in the electrical characteristics table.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the CY25560 family of Spread Spectrum Clock Generators. The 'S' suffix indicates the 8-pin SOIC package, while 'X' denotes the commercial temperature range. The base part number identifies the core functionality, with suffixes defining packaging format and thermal specifications for different market segments.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The CY25560SXCT serves as the tape and reel variant of this component. For industrial temperature applications ranging from -40 °C to 85 °C, the CY25560SXI is the designated alternative. Verify pin compatibility and electrical parameters against the original design requirements before substituting these variants.

Clock Generators, PLLs, Frequency Synthesizers FAQ

How is the spread spectrum percentage configured?

The spread percentage is selected using tri-level logic on the S0 and S1 digital control inputs. These pins recognize High, Low, and Middle voltage states to program one of nine available spread ranges.

What is the function of the SSCC pin?

The SSCC pin controls the spread spectrum function. When the input is high, the SSCG function is enabled; when low, it is disabled. This pin is pulled high internally.

Can the CY25560SXC accept an external clock signal?

Yes, the device accepts external clock signals at the XIN/CLK pin (Pin 1). If an external clock is used, the XOUT pin (Pin 8) should be left unconnected.