CY25404ZXI009

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY25404ZXI009 is a quad PLL programmable clock generator with spread spectrum capability, housed in a 20-pin TSSOP package. It supports input frequencies from 8 to 166 MHz and generates output clocks ranging from 3 to 166 MHz. The device features four independent PLLs, nine clock outputs across three banks, and glitch-free frequency switching. Operating voltage ranges from 2.25 V to 3.60 V for VDD, while output bank supplies support 1.71 V to 3.60 V. It operates within an industrial temperature range of -40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Four fully integrated phase-locked loops enable synthesis of up to four independent frequencies from a single reference source.
• Programmable spread spectrum control on two PLLs provides electromagnetic interference reduction with center or down modulation profiles.
• Glitch-free frequency switching allows uninterrupted system operation when changing clock rates via multifunction select pins.
• Nine clock outputs are grouped into three independently powered driver banks supporting multiple voltage levels.

Clock Generators, PLLs, Frequency Synthesizers Applications

• PC motherboard clock distribution
• Consumer electronics timing synchronization
• Portable device power management
• Networking equipment signal generation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix '009' against official Infineon ordering guides to confirm factory-programmed frequency parameters. Confirm that the ZXI designation matches the required industrial temperature range and TSSOP package type for your design constraints.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when multiple independent clock frequencies are required from a single crystal. Ensure the application utilizes the glitch-free switching feature if dynamic frequency changes are necessary. Verify that the output drive strength settings meet the load capacitance requirements of the connected circuitry.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the CY25404 family of quad PLL clock generators. The ZXI suffix indicates the Industrial temperature grade (-40°C to +85°C) and TSSOP packaging. The numeric suffix denotes specific factory-programmed frequency configurations distinct from generic variants.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

CY25404ZXC-xxxT serves as the commercial temperature equivalent. CY25404ZXI-xxxT offers the same industrial grade with tape and reel packaging. Generic CY25404ZXI parts require custom programming to match specific frequency outputs.