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Product attributes Property Value
Manufacturer Infineon Technologies
Product Series
Packaging Tray | Tray
Type Fanout Distribution, Fractional N Synthesizer, Multiplexer, Spread Spectrum Clock Generator
PLL Yes with Bypass
Input Clock, Crystal
Output Clock
Number of Circuits 4
Ratio - Input:Output 2:8
Differential - Input:Output No/No
Frequency - Max 166MHz
Divider/Multiplier Yes/No
Voltage - Supply 1.65V ~ 1.95V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-UFQFN Exposed Pad
Supplier Device Package 24-QFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CY2547QI from Infineon Technologies is a versatile Fanout Distribution, Fractional N Synthesizer, Multiplexer, and Spread Spectrum Clock Generator. It features a PLL with bypass, supports Clock and Crystal inputs, and provides 4 clock outputs up to 166MHz. Packaged in a 24-UFQFN Exposed Pad, it is designed for telecom, networking, and industrial applications requiring multiple synchronized clocks.

  • PLL with bypass for flexible clock distribution and synthesis.
  • 4 output circuits for multi-domain clock generation, reducing component count.
  • Spread Spectrum capability for EMI reduction in sensitive applications.
  • Wide temperature range (-40°C to 85°C) for industrial reliability.

Telecom Clock Distribution

The CY2547QI, with its fanout distribution and multiplexer features, is ideal for telecom equipment requiring multiple synchronized clock outputs from a single source.

Networking Timing

In networking switches and routers, this device provides precise timing for Ethernet PHYs and switches, supporting up to 166MHz for high-speed data paths.

Processor Clock Generation

With 4 output circuits, it can generate multiple clock domains for processors and FPGAs, reducing the need for multiple clock ICs.

Audio/Video Synchronization

The spread spectrum capability helps reduce EMI in audio/video equipment, while the fractional N synthesizer allows precise frequency generation for various standards.

Industrial Timing

Operating from -40°C to 85°C, it is suitable for industrial automation and control systems requiring reliable timing in harsh environments.

Q: What type of device is the CY2547QI?
A: It is a Fanout Distribution, Fractional N Synthesizer, Multiplexer, and Spread Spectrum Clock Generator.
Q: Does the CY2547QI support PLL bypass?
A: Yes, it has a PLL with bypass capability, allowing direct clock distribution when needed.
Q: What are the input and output types?
A: The input types are Clock and Crystal, and the output type is Clock.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 4 circuits and supports a maximum frequency of 166MHz.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA), suitable for industrial applications.
Q: What is the package type?
A: It comes in a 24-UFQFN Exposed Pad package.
Base Product Number : CY2547
166MHz 24-UFQFN 4 Circuits Clock Generator Fanout Distribution Frequency Synthesizer Infineon PLL
Q: What type of device is the CY2547QI?
A: It is a Fanout Distribution, Fractional N Synthesizer, Multiplexer, and Spread Spectrum Clock Generator.
Q: Does the CY2547QI support PLL bypass?
A: Yes, it has a PLL with bypass capability, allowing direct clock distribution when needed.
Q: What are the input and output types?
A: The input types are Clock and Crystal, and the output type is Clock.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 4 circuits and supports a maximum frequency of 166MHz.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA), suitable for industrial applications.
Q: What is the package type?
A: It comes in a 24-UFQFN Exposed Pad package.