ISPPAC-CLK5620V-01T100I

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ISPPAC-CLK5620V-01T100I is an integrated clock generator from Lattice Semiconductor suite of clock products. It is used for frequency synthesis and clock buffering, and can provide maximum clock accuracy with minimum power consumption. The device is suitable for a wide range of timing applications, such as clock and frequency synthesizers, PLLs, and general-purpose clock distribution systems.

Application Field

The primary applications of the ISPPAC-CLK5620V-01T100I are frequency synthesizers, clock generation and buffering, and general-purpose clock distribution networks. In a frequency synthesizer, the device is used to generate a high-accuracy clock signal, which can be used to synchronize the operations of other components in the system. It is also used in clock buffering as a ultra-low-power buffer, capable of driving multiple loads while consuming minimal current. Finally, the device can be used in clock distribution networks, to provide a low-jitter, low-skew, synchronous clock signal to multiple components.

Working Principle

The ISPPAC-CLK5620V-01T100I is based on a phase-locked loop (PLL) architecture. The input clock is used as the reference clock for the loop, and the PLL is used to generate a highly accurate output clock signal. The device features an adjustable-duty-cycle output, along with a non-overlapping dual output clock, and provides programmable frequency outputs in the range of 4 MHz to 200 MHz. The device also features an integrated spread-spectrum clock generator, which is used to reduce EMI emissions.

The PLL consists of a phase detector, a loop filter, and a voltage-controlled oscillator (VCO). The phase detector compares the actual phase of the output signal with the reference signal, and produces an error signal that is fed to the loop filter. The loop filter\'s output is then used to control the VCO, to ensure that the output frequency of the PLL is synchronized with the reference signal. The output signal from the VCO is then buffered and sent to the other components in the system.

The ISPPAC-CLK5620V-01T100I also features integrated loop-bandwidth control, which allows for fast frequency tuning. The device also features glitch-free power-on/off sequencing, and adjustable output slew-rate control. The device supports both logic and LVDS output formats, and can be used in a wide range of operating temperatures.

Conclusion

The ISPPAC-CLK5620V-01T100I is a highly integrated clock generator from Lattice Semiconductor, suitable for applications in frequency synthesis, clock buffering, and general-purpose clock distribution. The device is based on a PLL architecture, and is capable of providing high-accuracy, low-jitter clock signals with a maximum operating frequency of up to 200 MHz. The device can be used in a wide range of operating temperatures, and features integrated spread-spectrum clock generation, glitch-free power-on/off sequencing, and adjustable output slew-rate control. The device is ideal for applications requiring a high level of timing accuracy and system reliability.

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