PI90LV14LE

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PI90LV14LE is a low voltage clock driver and buffer that is used to generate and distribute a low jitter clock signal. It is a high performance device that is capable of driving clock signals at a range of 40MHz to 100MHz. The PI90LV14LE is designed to provide a low jitter, low voltage differential clock signal in high speed clock applications, including mobile and mobile infrastructure, networking, telecommunication and home entertainment markets. It is specifically designed for high speed applications requiring low jitter, low power and low cost.

Application Fields of PI90LV14LE

PI90LV14LE is mainly used in applications that need to send low jitter clocks over long distances. It is designed for applications to drive extremely high speed differential clock signals, while maintaining low jitter and low power. Applications with such requirements include:

• Mobile and mobile infrastructure – PI90LV14LE is used to drive clock signals in network infrastructure (such as base stations, MIMO BSs and repeaters). Applications like LTE, WCDMA and TD-SCDMA require the ability to deliver a low jitter clock signal over long distances and the PI90LV14LE is a perfect solution.
• Networking – PI90LV14LE is used to drive clock signals in Ethernet switches, routers, hubs and media access controllers (MACs). It is capable of driving multi-gigabit data rates and is designed to provide as low noise and jitter as possible.
• Telecommunications – PI90LV14LE is used to drive clock signals in optical transceivers for fiber based networks. Low jitter and low noise are critical requirements in these applications.
• Home entertainment – PI90LV14LE is used to drive clock signals in high-end audio and video equipment. Low jitter and low power are key characteristics for these applications.

Working Principle of PI90LV14LE

PI90LV14LE consists of two main sections: the clock generator and the clock driver. The clock generator takes an incoming clock signal and generates a low jitter differential clock signal. The clock driver takes the generated clock signal and drives it over a long distance. It is capable of driving clock signals at a range of 40MHz to 100MHz.

The clock driver works by amplifying and boosting the clock signal. It uses two current sources to drive the differential clock signal. The current sources adjust the amplitude of the signal and provide the necessary level of isolation required for high speed differential clock signaling applications. The clock driver also incorporates an impedance matching network for coping with the issues encountered in long distance clock signaling applications, such as different line impedance. It also provides skew compensation, power saving shutdown feature and clock enable/disable feature.

The PI90LV14LE has a pure digital architecture and is designed to operate at a low voltage. It has a wide range of features to provide low jitter, low noise and low power clock signals. It is also very versatile in its application and can be used in a variety of applications requiring a low jitter, low power and low cost clock signal.

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