ICS952911BFT

Introduction

The ICS952911BFT is a low-power clock generation IC designed to replace large, complex clock and timing functions with a small, cost-efficient single-chip solution. It is ideal for applications such as disk drives, cell phone transceivers, LCD displays, and digital television that require multiple clock and timing components. The IC integrates a variety of outputs including multiple crystal oscillator outputs, multiple logic outputs, and an on-chip test circuit for testing and debugging. This paper will discuss the application field of the ICS952911BFT, its features and benefits, and its working principle.

Application Field

The ICS952911BFT is designed for applications where size and power are critical considerations. It is suitable for use in various types of consumer products, including DVD players, digital cameras, cellular phones, PDAs, and portable navigation systems. This device is also suitable for use in residential and commercial appliances, such as ovens, microwaves, and dishwashers, as well as automotive applications, such as ultra-low-power ECUs and dashboards. The ICS952911BFT has been designed for use in environments with operating temperatures ranging from -40℃ to +125℃ and can withstand up to 60V shocks.

Features and Benefits

The ICS952911BFT integrates several features and benefits for use in a wide range of applications. It includes an adjustable linear regulator for power supply stability, a two-phase or three-phase differential clock input, programmable crystal oscillator output frequency up to 100MHz, programmable output drive strength from 0.25-1.0V, proportional-integral-derivative (PID) temperature compensation, and a serial programming interface. The device also features an automatic power-down feature that reduces current consumption when the device is not needed, making it suitable for battery applications. This feature also allows the device to be quickly switched on and off as needed.

Working Principle

The ICS952911BFT uses a PLL (Phase-Locked Loop) circuitry in order to generate the output clocks. It consists of a phase/frequency detector, a low-pass filter, a voltage-controlled oscillator (VCO), and a divider. When a signal is input, the phase frequency detector monitors the phase of the input signal in comparison to its own signal, and produces an error signal. The error signal is then filtered by the low-pass filter, which smooths the signal to create a voltage level that is used to adjust the VCO frequency. The VCO output is then divided down to the required frequency before being output as the final clock signal. The ICS952911BFT also includes a test circuit with an internal voltage reference and will generate an alarm signal if any of its output signals are out of tolerance.

Conclusion

The ICS952911BFT is a low-power clock generation IC designed for applications where size and power are critical considerations. It integrates features such as adjustable linear regulator, two-phase or three-phase differential clock input, programmable crystal oscillator, programmable output drive strength, and PID temperature compensation. This device also features an automatic power-down feature in order to reduce power consumption and is suitable for use in various types of consumer products, residential and commercial appliances, as well as automotive applications. The ICS952911BFT uses a PLL circuitry to generate the output clocks and the test circuit with an internal voltage reference allows the device to monitor and generate any alarm signals when its output signals are out of tolerance.

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ICS91719AGLF	IDT, Integra...	--	1000	IC CLK GENERATOR LOW EMI ...
ICS91719AGLFT	IDT, Integra...	0.0 $	1000	IC CLK GENERATOR LOW EMI ...
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ICS9112AG-27	IDT, Integra...	0.0 $	1000	IC CLK BUFFER 1:4 140MHZ ...
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