CY22801FXI

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY22801FXI is a flash-programmable clock generator manufactured by Infineon Technologies (formerly Cypress Semiconductor). It utilizes a proprietary PLL, spread spectrum technology, and VCXO capabilities to synthesize up to three configurable outputs. The device operates on a single 3.3V supply with an input frequency range of 8 MHz to 30 MHz for crystal inputs or 1 MHz to 133 MHz for CLkin. LVCMOS outputs support frequencies from 1 MHz to 200 MHz in commercial grade and up to 166.6 MHz in industrial grade. It is housed in an 8-pin SOIC package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Flash-programmable architecture allowing fast sample generation via CY36800 dongle and CyClocksRT software
• Integrated PLL supporting spread spectrum and VCXO features for jitter reduction and tuning
• Configurable LVCMOS outputs with frequency ranges up to 200 MHz (commercial) and 166.6 MHz (industrial)
• Flexible input options including crystal (8-30 MHz) and CLkin (1-133 MHz)

Clock Generators, PLLs, Frequency Synthesizers Applications

• Consumer electronics requiring low-jitter clock synthesis
• Communications market equipment needing programmable clock sources
• Prototyping builds utilizing user-defined frequencies

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

The CY22801FXI is listed as obsolete or end-of-life by the manufacturer. Verification of current availability through authorized distributors is required, as stock levels are not guaranteed. Users should confirm the specific suffix 'FXI' matches their design requirements, noting that ordering suffixes may indicate package or temperature variations without changing core functionality unless explicitly stated in datasheets.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select the CY22801FXI when a compact 8-pin SOIC solution is needed for generating multiple LVCMOS clocks from a single reference. Ensure the application falls within the specified voltage range of 3.14 V to 3.47 V. Consider the industrial grade variant if operating temperatures extend below 0°C, as commercial grades typically cover 0°C to 70°C while industrial covers -40°C to 85°C.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the CY22801SXI series of clock generators. Cypress Semiconductor was acquired by Infineon Technologies, which continues to offer these products under the Infineon portfolio. The part number structure indicates a specific package and temperature rating configuration within the broader family of flash-programmable synthesizers.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacement part numbers are not publicly confirmed in the provided documentation. Designers should consult Infineon's official substitution guide or contact technical support for verified equivalents, as generic cross-model data is insufficient for this specific obsolete part.