843256CK-24LF

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Clock Generator 843256CK-24LF is a clock synthesizer designed for PLL frequency, clock and timing applications. It is a compact 5mm x 5mm, 24-pin, single-supply IC, with internal logic and low-frequency oscillator circuitry. The device supports frequencies up to 24 MHz, and is capable of synthesizing, multiplying and dividing clock signals.

The 843256CK-24LF Clock Generator helps reduce design and test complexity by enabling multiple clock domains within a system. It provides an easy-to-use solution for generating single- or multiple-frequency clocks. It also reduces PCB space by eliminating the need for multiple crystals and oscillators while providing performance far superior to traditional clock sources.

The 843256CK-24LF Clock Generator is suitable for a wide range of applications such as consumer and office automation, telecommunications, networking, audio, video, and industrial control. It can be used for radio frequency (RF) systems, oscillator block dividers and PLL clock synthesis.

Application Field

The 843256CK-24LF Clock Generator can be used in a number of applications. It is an efficient solution for clock and timing needs, enabling multiple clock domains with a single device. It can be used to reduce the cost and complexity of clock generation in consumer and office automation, telecommunications, networking, audio, video, and industrial control applications. Additionally, the device is suitable for the generation of high-speed clocks in radio frequency systems, oscillator block dividers, PLL clock synthesis, or discrete clock data recovery.

Working Principle

The 843256CK-24LF Clock Generator is based on a Phase-Locked Loop (PLL) architecture. This PLL architecture allows for frequency synthesis, multiplying, and dividing of clock signals without the need for an external reference frequency source.

The 843256CK-24LF Clock Generator uses an external resistor and capacitor to set a high-frequency oscillation frequency, which is then divided by an internal frequency divider to set the clock frequency. The chip then feeds the frequency into the PLL circuitry, where the frequency is multiplied and divided by an internal multiplier and divider, respectively. The resulting frequency is then compared to the reference frequency, and the PLL circuitry adjusts the internal parameters to match the reference frequency.

The 843256CK-24LF Clock Generator can be used to generate single- or multiple-frequency clocks. It also has an adjustable output delay function, allowing for precise timing control. The output enable/disable function allows for frequency switching without the need for switch programming. The output enable/disable function also allows for the chip to be powered down when there are multiple clock signals in the system.

The 843256CK-24LF Clock Generator is designed for high reliability and performance. It utilizes advanced CMOS process technology, ensuring high speed performance and low power consumption. The chip also has active power-down modes and static current consumption is less than 500nA. The device is RoHS compliant, and has excellent temperature stability with a supply voltage range of 2.3V to 5.5V.

Conclusion

The 843256CK-24LF Clock Generator is an ideal solution for clock and timing needs. Its PLL architecture allows for frequency synthesis, multiplication, and division of clock signals with no external reference frequency source. In addition, it is suitable for a wide range of applications and is designed for high reliability and low power consumption. With its compact size and advanced features, the 843256CK-24LF Clock Generator is an excellent choice for today’s clock and timing applications.

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