NB7VQ572MMNG

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The NB7VQ572MMNG is a Clock Buffer/Driver from the range of digital logic integrated circuits manufactured by Toshiba. It is a low power supply voltage, small package device designed for clock distribution, fan-out replica and clock buffer applications. Clock buffers are mainly used to directly drive a large number of dividers, register stages and logic circuits to generate high speed clocking signals without introducing any skewing, power dissipation and noise.

The NB7VQ572MMNG is integrated with four unbuffered fully differential clock buffer outputs that are arranged in two differential pairs. The device operates over a voltage range of 2.7V to 3.6V and is capable of driving up to 10 loads. The output buffer propagation delay is typically 11ns and output transition time is 6ns. It has an anti-ringing circuit with which one can reduce the overshoot and ringing, thereby minimizing the effect to adjacent circuitry. In addition to this, the device also features a completely separate operating amp circuit that can be used to filter oscillator output.

The NB7VQ572MMNG integrates a bidirectional, low current switch for buffering, which is enabled and disabled with a control input. The enable/disable control voltage is 0.8V to 1.2 V. This low voltage control input helps reduce power consumption and current draw when the clock buffer is not in use. The control input is also utilized to turn the operating amp on and off to reduce power consumption even further.

The NB7VQ572MMNG is designed to be compatible with most logic families and supports up to 200MHz output switching and up to 400MHz input switching. The device is compatible with LVTTL/LVCMOS logic and is specified to operate over a temperature range of -40 °C to +85 °C. Internal frequency compensation is used to guarantee clock signal stability over various power supply and temperature variations.

The NB7VQ572MMNG Clock Buffer/Driver is best suited for high speed clock distribution, high speed replication and fan-out applications such as notebook and desktop computers, mobile phones and gaming platforms. With its high performance, low power consumption and small package, it is ideally suited for clock distribution in these high speed applications.

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