PI49FCT3807BQE-1507

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The PI49FCT3807BQE-1507 is a part of the Clock/Timing family, specifically a Clock Buffer, Driver, as its function is to store and amplify a clock signal. The device is designed and based on the FCT family and with different packaging, operating speeds, and support options, is an ideal clock buffer for applications in a range of industries, from telecoms to automotive.The PI49FCT3807BQE-1507 is aimed at providing low power and low jitter performance, with a power-down mode and hysteresis on the input in order to reduce power consumption. The device has a range of operating speeds for various applications and even supports spread spectrum inputs. The device itself is also manufactured on a QML process, thus meeting criteria for many Mil-Spec applications such as space, aviation, and automotive.The basic principle of clock buffers and drivers is to store, or buffer, a reference clock signal, or the clock signal of interest, and then to amplify this signal in order to serve multiple peripherals or end points. This is necessary as many electronics devices, such as CPUs, require an abundant and clean clock source in order to perform their operations. This can also be seen in the data bus and address bus.The main components of a clock buffer and driver are the input, which receives the reference clock signal, the outputs, in order to broadcast and amplify the signal, bypass capacitors, and the output amplifier. The purpose of the input is to receive the reference clock signal, typically a crystal. At this point, the signal is far too weak to be read or used effectively by most electronic devices.The output amplification stage is important in order to amplify the reference clock signal and provide a clean, robust signal to the device, or devices, in question. This stage can vary between buffer amplifiers and fan out drivers, depending on the application. A buffer amplifier has the benefit of reducing the power consumption whilst providing a clean, robust signal, ideal for the application.The bypass capacitor is also an important component of a clock buffer and driver, as it is used to filter out noise from the supply that may be producing effects on the clock, such as jitter. Its purpose is to provide a source of smoothing of any noise that may be present.In summary, the PI49FCT3807BQE-1507 is an ideal clock buffer and driver for a range of applications, from the telecom industry to automotive, offering low power and low jitter outputs. The device is suitable for applications requiring spread spectrum inputs and due to its QML manufacturing process, it is suitable for Mil-Spec applications. The main purpose of the clock buffer and driver is to store, amplify and broadcast a reference clock signal in order to serve multiple end points or peripheral devices, without losing any of the signal integrity.

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