CY2291FX

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY2291FX is a three-phase-locked loop (PLL) general-purpose EPROM programmable clock generator manufactured by Cypress Semiconductor Corp. This device generates up to three custom frequencies from external sources, featuring low-skew, low-jitter, and high-accuracy outputs. It supports configurable 3.3V or 5V operation and includes power-management options such as shutdown, output enable, and suspend modes. The component is housed in a standard 20-pin SOIC package, designed to meet critical industry-standard timing requirements while supporting low-power applications.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Three integrated phase-locked loops for generating multiple custom frequencies
• EPROM programmability allowing field-programmable customization
• Configurable 3.3V or 5V supply voltage operation
• Power-management features including shutdown, OE, and suspend modes

Clock Generators, PLLs, Frequency Synthesizers Applications

• Systems requiring critical industry-standard timing requirements
• Low-power application designs
• Custom frequency generation from external sources

Clock Generators, PLLs, Frequency Synthesizers Part Context

The CY2291FX belongs to the CY2291 family of three-PLL general-purpose EPROM programmable clock generators. It serves as the field-programmable variant within this series, offering flexibility for custom frequency synthesis compared to factory-programmable counterparts. The device utilizes an EPROM architecture to allow user-defined configuration after manufacturing.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The CY2291F is listed as a similar part number within the same product family, sharing the three-PLL EPROM programmable clock generator functionality. Verification of specific electrical parameters and pin compatibility is required before substitution.