Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	8-SMD, No Lead
Height:	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Current - Supply (Max):	88mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±50ppm
Voltage - Supply:	3.3V
Output:	CMOS
Series:	Si534
Frequency - Output 4:	160MHz
Frequency - Output 3:	120MHz
Frequency - Output 2:	80MHz
Frequency - Output 1:	40MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Pin configurable/selectable oscillators are an easy and reliable way to provide time base and clock signals, while consuming minimal power. They provide applications and features that cannot be implemented with traditional quartz crystal oscillators. In this article, we will be discussing the application field and working principle of the 534PA000476DGR pin configurable/selectable oscillator.A pin configurable/selectable oscillator provides the frequency stability, accuracy, and low power benefits of quartz, while also offering a variety of features not available with standard quartz crystals. The most popular features of pin configurable/selectable oscillators include programmable frequency selection, differential outputs, and very low output jitter.The 534PA000476DGR is a Pin Configurable/Selectable Oscillator (PCSO) manufactured by IDT. It has a frequency range of 16 MHz to 30 MHz and consumes 200 mW of power. It is available in an eight-pin Ceramic Quad Flat Pack (CQFP) package and has an operating temperature range of -40ºC to 85ºC. The 534PA000476DGR PCSO is specifically designed for cellular telephone handsets, where high frequency stability and low jitter are critical.The 534PA000476DGR PCSO consists of an compact piezoelectric resonator coupled with a configurable circuit. The frequency of the oscillator is selectable using a pair of input pins, which allow frequency changes with a simple voltage pulse. This eliminates the need for extra crystals or filters in order to change frequencies.The 534PA000476DGR PCSO also has an output stage with a differential output. This allows the output to be directly connected to a system oscillator, eliminating the need for external filters and ensuring low phase noise and jitter. This is essential for reducing interference in cellular telephone handsets and other systems.The working principle of the 534PA000476DGR PCSO is simple. The piezoelectric resonator acts as a frequency reference and provides stable frequency characteristics. The configurable circuit converts the frequency of the resonator into a digital signal that can be used as a clock input. The frequency of the clock input is determined by the voltage level on the inputs of the configurable circuit.The output of the 534PA000476DGR PCSO is a differential signal with very low jitter. This signal is suitable for connecting directly to system oscillators, which makes it a popular choice for cellular telephone handsets and other systems where ultra low jitter is required.In summary, the 534PA000476DGR is an ideal solution for applications requiring low power consumption, high frequency stability, and low jitter. Its pin configurable/selectable feature makes it a perfect choice for cellular telephone handsets, providing an easy and reliable way to generate clock signals at a desired frequency.

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