CY2292SC-474

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY2292SC-474 is a factory-programmable, three-phase locked loop (PLL) general-purpose clock generator manufactured by Cypress Semiconductor. It utilizes EPROM technology for custom frequency configuration and operates within a commercial temperature range of 0°C to 70°C. The device supports configurable 3.3 V or 5 V operation, with output frequencies ranging from 76.923 kHz to 100 MHz at 5 V and up to 80 MHz at 3.3 V. It features four independent clock outputs (CLKA–CLKD), CPUCLK, and XBUF, housed in a 16-pin SOIC package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Three integrated PLLs (CPLL, SPLL, UPLL) generating up to four customizable clock outputs plus CPUCLK and XBUF
• EPROM programmability allowing factory customization of output frequencies
• Smooth slewing capability on the CPUCLK output between 20 MHz and maximum frequency
• Configurable power management including shutdown, suspend, and output enable functions

Clock Generators, PLLs, Frequency Synthesizers Applications

• PC motherboard clock generation
• Synchronous system timing distribution
• Low-power applications requiring frequency slewing

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify that the specific suffix '-474' corresponds to the exact factory-programmed frequency set required for the design. Confirm the operating voltage requirement (3.3 V vs 5 V) matches the 'SC' designation limits. Ensure the 16-pin SOIC package aligns with the PCB footprint specifications.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this part when a fixed, factory-programmed solution is preferred over field-programmable alternatives. Verify that the required output frequencies fall within the 76.923 kHz to 100 MHz range for 5 V operation or 76.923 kHz to 80 MHz for 3.3 V operation. Consider the CY2292F series if field reprogrammability is needed instead.

Clock Generators, PLLs, Frequency Synthesizers Part Context

The CY2292 family serves as a third-generation upgrade to industry-standard ICD2023 and ICD2028 devices. The 'SC' suffix indicates a factory-programmable variant designed for commercial temperature environments (0°C to 70°C). Infineon Technologies continues to support this product line following its acquisition of Cypress Semiconductor.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements are limited due to the unique factory-programmed nature of the '-474' suffix. Field-programmable equivalents like the CY2292FXC require external programming hardware. Generic clock generators lack the specific EPROM configuration and low-skew characteristics of this component.