ICS9250BF-12

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The ICS9250BF-12 is an advanced, highly programmable clock signal generator designed to replace traditional, discrete crystal oscillators and clock buffer chips. It works by generating a variety of programmable clock outputs from a 25MHz crystal (or other external clock source) or an internal oscillator, thereby simplifying and significantly reducing the cost of developing a system clock design. The ICS9250BF-12 has the capability to operate in both external and internal clock mode, making it a versatile and powerful choice for clock and timing applications.

The ICS9250BF-12 generates up to four differential outputs and two single-ended outputs from a crystal or other external clock source. The device accepts either a 25MHz crystal or a 12MHz clock source, and provides very high-speed clock outputs with various frequencies ranging from 1KHz to 500MHz. In addition, the ICS9250BF-12 can generate dual output profiles, which is helpful for applications where two different clock signals are required. For example, the ICS9260BF-12 dual output profile can be used to generate two different high-speed clocks for audio and video applications, such as DVD players.

The device also provides a unique “sleep mode” and a fail-safe shutdown feature, which stops the output clock signals when there is a power interruption. This helps to protect downstream ICs from any potential damage due to the large voltage changes associated with power failure. In addition, the ICS9250BF-12 has an extremely low jitter figures, making it well suited for high-precision, high-speed clock applications.

In order to program the ICS9250BF-12, the user must first enter the parameters of the desired clock frequency in the device’s control registers. Once the desired frequencies have been entered, the user can program the device to generate a predefined sequence of clock frequencies. The clock generator also features excellent programmability, providing up to 32 programmable sub-modes.

The ICS9250BF-12 also offers a variety of additional features, including digital frequency locking, dynamic duty cycle control, adjustable settling time, and an adjustable output slew rate. With these features, the user can create an extremely flexible and cost effective clock design.

In conclusion, the ICS9250BF-12 is an excellent choice for clock and timing designs. Its wide range of programmable features allows for the adjustment and tweaking of clock frequencies and profiles for specific application requirements. The device’s ability to dynamically switch between external and internal clock sources makes it a great choice for applications where different clock frequencies and profiles are necessary. In addition, its low-jitter and fail-safe shutdown capabilities make it an ideal solution for high-precision clock and timing applications.

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