VSC7223XJV

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The VSC7223XJV is a clock/timing-specific application product, with unique operating principles and abilities. It is a versatile chip set with flexibility and outstanding performance in managing the communication interface protocols for low-power, high-speed applications. It has a special 49-pin DIP package with single-ended outputs to provide easy design and quick layout.

The VSC7223XJV has four high speed CMOS/TTL clock inputs, as well as four differential outputs from its scalable phase-locked loop (PLL) circuit. It can generate four very low power, high frequency clocks of up to 250MHz. It can also multiplex up to four different clock signals for use with multiple single-ended, differential, or LVDS interfaces. This makes it well-suited for clock/timing applications that need a wide array of clock frequencies.

The PLL circuit of the VSC7223XJV allows the input frequency range to be restricted as needed, while also providing noise immunity. Commonly used in mobile phone applications, it is well suited for any application needing low-power, high performance, low-EMI clock/timing solutions. In addition, it allows the user to configure one or two high-speed outputs to create a fine-tuned oscillator, amplifying the clock’s output frequency range and boosting the output power.

The VSC7223XJV has integrated charge pump circuitry, allowing it to accurately generate the same frequency output regardless of output voltage. It also features pull-down resistors and detecting latches to provide pin configurability as well as reliable time triggered functions.

When enabled, the VSC7223XJV outputs three signals each cycle, one super clock, one medium clock and one low clock. The super clock is used to enable circuits and reset components, while the medium clock is used to enable circuits with minimal time delays and the low clock is used to ensure the timing and synchronization of data within a system. The user can customize the output frequencies through the power-on-reset pin, multiplexing two or four distinct clock sources.

The VSC7223XJV’s outstanding clock-timing abilities, flexibility and commercial proven success make it an ideal solution for clock and timing-specific applications, such as mobile phones, controllers, and motor controllers. It is also ideal for PCs, workstations and networking systems that require a wide range of clock frequencies.

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