MC88915EI70 Integrated Circuits (ICs)

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

MC88915EI70 is a highly integrated, low-jitter, programmable clock generator. This device combines synthesized local oscillators, multiple outputs, and clock switching capabilities. It is suitable for a variety of clock related applications.

Application Field

The MC88915EI70 clock generator can be used as a clock source for microprocessors, digital signal processors, clock distribution networks, and any other clock-sensitive devices. It is ideal for applications requiring multiple low-jitter clock outputs that need to be precisely controlled.

Working Principle

The MC88915EI70 clock generator utilizes a multi-stage feedback (PLL) circuit, which enables it to generate multiple low-jitter clock outputs. The core of the circuit is an oscillator which is connected to several output dividers for generation of clock frequencies. The oscillator is compliant with JEDEC-standard oscillator frequencies which allows for convenient compatibility with programmable clock generators.

The PLL circuit within the device allows for an automated frequency-tracking of the locally generated frequency. This feature enables the device to accurately and effectively switch the output frequencies while maintaining stable output. The PLL circuit can also be disabled, allowing for manual control of the device.

The MC88915EI70 is also equipped with several internal registers that allow direct control over the device\'s various output settings. These registers are set when the device is first programmed and can be used to store various clock settings.

In addition, the device has a built-in power management circuit which allows for energy savings, important in battery-powered applications. The power management circuit monitors the power consumption of the device and adjusts the output frequencies accordingly.

The MC88915EI70 is a versatile clock generator suitable for a variety of applications. Its low-jitter clock outputs, power management features and PLL-based frequency synthesis capabilities make it ideal for a number of clock-sensitive applications.