PI6C49003AEX

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Introduction of PI6C49003AEX

The PI6C49003AEX is an Ultra Low Power Clock Generator specifically designed for mobile applications. Operates over a wide range of supply voltages (VPV) of 1.2 to 3V, typical operating current of 1 uA and power consumption of less than 20 uW. It offers up to 10 very low jitter clock outputs in a 0.9 mm x 1.0 mm x 0.45 mm package. These outputs can be used as direct references for CPU, GDDR, and other system clock signals.

Application fields

The PI6C49003AEX offers the following benefits for mobile applications:

• Ultra-low power consumption
• High accuracy signal generation
• Conform to JEDEC requirements
• Fully integrated device
• Low phase noise and jitter
• Low temperature stability
• Integrated self-resetting power-on reset
• Small package footprint

In addition, the PI6C49003AEX is well suited for application fields such as wireless communication, displays, and low power mobile devices. It is suitable for use in any design where frequency accuracy, low power, and low noise are desired.

Working Principle

The working principle of the PI6C49003AEX is straightforward. It takes an input clock signal as an input and uses a PLL-based design to multiply the frequency of the input signal. The output signal is then divided down to the desired frequency and sent to the output pins. The PLL design also allows the device to compensate for the oscillator drift due to temperature variations, providing a high degree of accuracy and stability.

The PI6C49003AEX is also equipped with an internal delay-lock loop (DLL) which helps improve the jitter performance. The DLL takes an input reference clock and compares the phases of this signal with those of the output clock waveforms. It then adjusts the timing and phase offsets of the waveforms for improved accuracy and stability.

The PI6C49003AEX has a power-on reset (POR) circuit that can detect low power conditions and reset all internal logic. This reset is synchronized with the logic at the output pins to ensure the device always operates from a known state.

Conclusion

The PI6C49003AEX is an ideal solution for high accuracy and low power applications that require a wide range of clock frequencies. Its ultra-low power consumption and its wide operating range make it well suited for mobile applications. In addition, its small package footprint and its internal delay lock-loop make it well suited for applications that demand very low jitter and phase noise clock signals. The POR circuit also ensures that the device always operates from a known state.

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