CY22395FXCT

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The CY22395FXCT is an integrated clock generator that simplifies the design of high-speed communications and networking boards. Its design improves system reliability, minimizes board space, reduces active components, and lowers system cost. This clock generator belongs to the Clock/Timing category, more specifically to the Clock Generators, PLLs, Frequency Synthesizers subcategory.

The CY22395FXCT allows system designers to easily select the most appropriate clock for their systems with a wide range of output type options, including LVDS, LVPECL, HCSL, CML, Clock and Data, and SSTL. It offers customers significant flexibility while maintaining pin compatibility with the National Semiconductor (now part of Texas Instruments) CD22395FXCT.

The CY22395FXCT integrates a phase-locked loop (PLL) with a crystal oscillator, providing configuration and operation flexibility to system designers. The phase-locked loop is designed to reduce jitter and phase noise, allowing customers to achieve lower phase noise performances. The PLL contains two dividers configured by a combination of frequency bits (FBX, FBY) and P-divider bits (PX, PY) and is controlled by the PLL clock selector bits.

The crystal oscillator is manufactured with a ceramic body quartz crystal, which offers improved stability and performance. The CY22395FXCT also has an internal programmable reference crystal oscillator (EFCRO) for frequency reference. The oscillator frequency is set utilizing the global bits (GX, GY) and is used for frequency multiplication.

The CY22395FXCT is available in 48-pin TQFP and 48-pin MLF packages. It contains a digital compensator with a temperature range from -40°C to +85°C and consumes between 740 mW and 890 mW of power.

In the field of high-speed communications and networking boards, the CY22395FXCT is an excellent option for integrating multiple clock sources on one board. It can generate up to four high-performance clocks, freeing up design resources and helping to reduce cost and complexity. The integrated phase-locked loop reduces jitter and phase noise and the internal programmable reference crystal oscillator ensures precise frequency control.

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