MK1707DLF

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The MK1707DLF is a circuit of clock/timing, a conceptually combined integrated circuit of a clock generator, PLL (Phase-Locked Loop) and frequency synthesizer. This specific IC falls within a family of clock/timing circuits, which are found in various electronics, providing them both synchronization and timing functions. Further, the circuit components allow controllers to detect, amend, modify and measure various properties of clock signals.

The clock/timing circuit of the MK1707DLF allows it several control features, including:

• Providing timing signals with different clock frequencies
• Generation of raw frequency clock signals
• Timing synchronization up to the microsecond level
• Enabling the control and enablement of low power consumption components
• Phase shifting of clock signals
• Generation of non-clock signals

The MK1707DLF is primarily utilized in computationally intensive electronics designs – as in systems which necessitate clock frequencies up to 50MHz (or even higher). Moreover, due to its flexibility of its control features, the circuit is utilized in both high throughput (HT) and low throughput (LT) computations or application-specific designs. Further, its variable power consumption enables the use of the chip within both medium-power and ultra-low-power applications.

Working Principle of the MK1707DLF

The MK1707DLF clock/timing circuit has both an internal clock oscillator to provides the chip with clock frequencies up to 50MHz and a PLL for higher throughput systems. In addition, the integrated frequency synthesizer enables the drive circuit with clock frequencies well above the 50MHz range.

The PLL of the MK1707DLF consists of two main components. The first is a variable frequency divider which is used to adjust the output frequency by dividing the provided input frequency by an integer or fractional division ratio. The variable division ratio is set via an external frequency-select (FS) control input. The second component is an injection internal Local Oscillator (LO), modulated to match the division ratio of the input frequency to match the FS setting. Thus, the PLL output will be either at a frequency of the input signal or at one of its division ratios.

The built-in oscillator offers the capability to generate both symmetrical and asymmetrical clock signals. The chip can generate both low and high frequency output with adjustable complex clock shapes. The inhibition (INH) feature of the chip enables the adjustment of the clock output levels, particularly when used in ultra-low-power applications.

The frequency synthesizer feature of the chip is based on a fractional pulse width modulation (FPWM) principles, which enables the device to generate output frequencies up to twice the range of its input frequency. This feature is particularly useful when driving the chip while using its buffered source, enabling users to operate the device in high-throughput applications, as it enhances its flexibility.

To conclude, the MK1707DLF Clock/Timing IC is a versatile circuit which can be used in various applications as it provides both a clock generator, PLL and frequency synthesizer, useful in both high-throughput and low-power applications. Featuring a wide range of features and control capabilities, the MK1707DLF IC is an effective component in electronic system, providing both timing functions and synchronization.

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