MPC96877VK

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The MPC96877VK clock/timing application specific integrated circuit (ASIC) is a comprehensive timing solution designed to provide simple and cost effective solutions for timing applications. The MPC96877VK is an extremely versatile device that enables applications in a variety of clock/timing segments, including: digital Wi-Fi systems, digital map router systems, digital HDTV systems, digital audio systems, optical networks, security systems, and digital video broadcast systems.

The MPC96877VK includes both general-purpose as well as dedicated functions and has been engineered for use in both very high performance and low power applications. Its general-purpose features include PLL frequency synthesizer, on-chip oscillator and clock synthesizer designed to support a wide range of input frequencies, integrated phase-locked loop (PLL) and dedicated P/N synthesizers which may be programmed as either a clock synthesizer or a phase detector, programmable DPLL and an on-chip oscillator and clock synthesizer. It also includes dedicated functions such as a low-jitter clock phase-locked loops (pLLL) and automatic frequency control (AFC) circuitry for precise clock phase control.

The core of the MPC96877VK is the integrated clock/timing module which features a PLL / DPLL for generating a low-jitter clock source for timing applications. This core will then be used to generate various output clock signals. The PLL / DPLL is controlled by the programmable phase-switching logic (PSL) circuitry which is used to generate a clock with a programmable phase offset. This PSL core allows the MPC96877VK to generate multiple clock outputs simultaneously with different phase offsets and makes it possible to use the MPC96877VK in PLL applications. The PSL control circuitry also provides the flexibility to control the duty cycle and frequency of the clock outputs in a wide frequency range, supporting both frequency and speed updating and synchronization.

The MPC96877VK also includes a variety of other features such as an on-chip reference clock driver, a high-speed clock synthesizer, and an on-chip real-time clock (RTC). The onboard reference clock driver provides the flexibility to use an external or internal clock source for all timing functions, making it possible to select the most appropriate and reliable clock source for the application. The high-speed clock synthesizer allows the MPC96877VK to generate up to 16 output clocks of various frequencies without the need for a double clock network, thus making it suitable for applications requiring multiple clock sources. Lastly, the on-chip RTC provides an accurate time base for real-time applications.

The MPC96877VK is also designed with low power requirements in mind. It features a user programmable power-down state and power-on reset function, allowing users to take advantage of power savings opportunities. This feature also helps with fault detection and recovery, allowing the device to automatically reset and power up after a fault detection. Additionally, it includes a low-power temperature sensor that can detect sudden temperature changes, enabling the device to automatically adjust its clock frequency to minimize power consumption.

The MPC96877VK is a feature-rich, cost-effective, and efficient clock/timing solution that provides the perfect foundation for applications requiring reliable and accurate timing. Its integrated PLL / DPLL, dedicated functions, and low-power operation makes it the ideal solution for digital Wi-Fi systems, digital map router systems, digital HDTV systems, digital audio systems, optical networks, security systems, and digital video broadcast systems.

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