DSC400-4444Q0031KE1

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Pin Configurable/Selectable Oscillators are specialized oscillators that offer a selectable/configurable output frequency. Their output can be adjusted to a desired frequency, which is done using digital logic, via pulled or floated pins.The DSC400-4444Q0031KE1 is an example of a Pin Configurable/Selectable Oscillator. It belongs to the DSC40 series, which are devices specifically designed for a variety of frequency and performance requirements, ranging from 320kHz to 25Mhz. As a member of the series, the DSC400-4444Q0031KE1 is therefore capable of providing an adjustable frequency over this range.The DSC400-4444Q0031KE1 falls into two categories: the Series 400 Configurable oscillators, and the Series 100 Selectable Fixed Frequency oscillators. Both types of oscillators share certain features, such as low jitter, low amplitude temperature stability, ultra-low current consumption and very low EMI noise. However, there are some important differences between the two with respect to their output frequency.The Series 400 Configurable oscillators, such as the DSC400-4444Q0031KE1, are designed to be adjusted to a range of possible frequency settings. These oscillators use a Pre-Divider/Post-Divider, where the Pre-Divider divides a higher base frequency, and the Post-Divider divides the output of the Pre-Divider to the output frequency required. This is done using a combination of a pull-up or pull-down voltage applied to the oscillator’s “configuration” pins, while the “frequency selection” pins are left floating, or pulled high to ground.The Series 100 Selectable Fixed Frequency oscillators are a simpler option, and offer a pre-defined frequency without the need for a Pre-Divider/Post-Divider. Instead, the frequency is selected through the use of the “frequency selection” pins, which are pulled high or low. These oscillators are ideal for applications that require low-cost and minimal jitter, and can typically operate over a frequency range from 6kHz up to 250MHz.The DSC400-4444Q0031KE1 is thus suited to applications requiring a configurable frequency from 320kHz to 25MHz, and its features make it especially useful for low-cost, low-jitter, low-EMI peripherals. Examples of such applications include USB hubs, FireWire controllers, SATA controllers, CAN controllers, and Ethernet controllers, as well as many other consumer products.In conclusion, the DSC400-4444Q0031KE1 belongs to the Pin Configurable/Selectable Oscillator category, and has the capabilities to provide an adjustable frequency range between 320kHz and 25MHz. Its features make it well-suited to a variety of applications, especially those needing low-cost, low-jitter and low-EMI frequency regulation.

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