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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series
Packaging Bulk |
Type Clock/Frequency Synthesizer, Spread Spectrum Clock Generator
PLL Yes
Input Clock, Crystal
Output CMOS
Number of Circuits 1
Ratio - Input:Output 1:1
Differential - Input:Output No/No
Frequency - Max 75MHz
Divider/Multiplier Yes/No
Voltage - Supply 3.135V ~ 3.465V, 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC

The W181-53GT is a versatile Clock/Frequency Synthesizer and Spread Spectrum Clock Generator from Cypress Semiconductor. It integrates a PLL to synthesize frequencies up to 75MHz from a clock or crystal input, outputting CMOS signals. Its spread spectrum capability reduces EMI, making it ideal for noise-sensitive applications. Housed in an 8-SOIC package, it operates from 0°C to 70°C, offering a compact and efficient timing solution.

  • EMI Reduction: Spread spectrum modulation lowers peak electromagnetic emissions, simplifying system certification.
  • Flexible Input: Accepts both clock and crystal inputs, providing design flexibility for various oscillator sources.
  • High-Frequency Output: Supports up to 75MHz CMOS output, suitable for high-speed digital logic.
  • Compact Package: 8-SOIC footprint saves board space in space-constrained designs.

EMI-Sensitive Consumer Devices

Use the W181-53GT in set-top boxes or gaming consoles to reduce electromagnetic interference (EMI) via spread spectrum clocking, easing compliance with FCC/CE standards.

PC Peripherals

For graphics cards and storage controllers, this synthesizer provides a clean 75MHz CMOS clock while lowering radiated emissions, improving system reliability.

Networking Routers

Generate a stable reference clock for switch ASICs and PHYs, with spread spectrum to minimize interference in dense PCB layouts.

Industrial Embedded Systems

In industrial PCs and control boards, the W181-53GT delivers a robust clock signal, ensuring reliable operation in electrically noisy factory environments.

Audio/Video Equipment

Provide a low-EMI clock for HDMI transmitters or audio DACs, maintaining signal integrity and reducing crosstalk in multimedia systems.

Q: What type of device is the W181-53GT?
A: It is a Clock/Frequency Synthesizer and Spread Spectrum Clock Generator, combining frequency synthesis with EMI reduction.
Q: Does it have a PLL?
A: Yes, it includes a Phase-Locked Loop (PLL) for frequency generation and spread spectrum modulation.
Q: What are the input and output types?
A: It accepts Clock or Crystal inputs and provides CMOS outputs, which are single-ended signals.
Q: How many circuits does it have?
A: It has 1 circuit, generating a single CMOS clock output.
Q: What is the maximum output frequency?
A: The maximum output frequency is 75MHz.
Q: What is the package and temperature range?
A: It comes in an 8-SOIC (0.154", 3.90mm Width) package and operates from 0°C to 70°C.
Base Product Number : W181-53
1 Circuit 75MHz 8-SOIC Clock Generator CMOS Cypress Frequency Synthesizer PLL Spread Spectrum W181-53GT
Q: What type of device is the W181-53GT?
A: It is a Clock/Frequency Synthesizer and Spread Spectrum Clock Generator, combining frequency synthesis with EMI reduction.
Q: Does it have a PLL?
A: Yes, it includes a Phase-Locked Loop (PLL) for frequency generation and spread spectrum modulation.
Q: What are the input and output types?
A: It accepts Clock or Crystal inputs and provides CMOS outputs, which are single-ended signals.
Q: How many circuits does it have?
A: It has 1 circuit, generating a single CMOS clock output.
Q: What is the maximum output frequency?
A: The maximum output frequency is 75MHz.
Q: What is the package and temperature range?
A: It comes in an 8-SOIC (0.154", 3.90mm Width) package and operates from 0°C to 70°C.