The CY2280PVC-21ST is a clock synthesizer IC manufactured by Cypress Semiconductor Corp. designed to provide precise clock signals for a variety of electronic applications. These applications include consumer electronics, networking devices, and computer peripherals. The device employs a Phase-Locked Loop (PLL) to generate multiple clock frequencies from a single reference input.
Applications:
- Consumer electronics (e.g., set-top boxes, DVD players)
- Networking equipment (e.g., routers, switches)
- Computer peripherals (e.g., printers, scanners)
- Industrial control systems
- Embedded systems
Features:
- Generates multiple clock frequencies from a single reference clock.
- Integrated PLL for frequency multiplication and division.
- Programmable output frequencies via I2C interface.
- Low jitter and phase noise performance.
- Supports various output clock formats (e.g., LVCMOS).
- Power-down mode for reduced power consumption.
Benefits:
- Provides stable and accurate clock signals, enhancing system performance.
- Reduces the number of discrete timing components, simplifying board design.
- Offers flexibility in frequency selection to meet diverse application requirements.
- Minimizes signal degradation due to low jitter and phase noise.
- Enables energy-efficient operation with power-down mode.
- Cost-effective solution for clock generation.
The CY2280PVC-21ST typically requires external passive components (resistors, capacitors) for the PLL loop filter and crystal loading. The programming features enable customization of the clock outputs. Detailed information including clock frequency ranges, supply voltage, operating temperature, and pin configurations are in the datasheet.
The device is used where precise timing is critical. It has a I2C interface that lets the user customize the clock outputs. It is typically surface-mounted and integrated into PCBs using standard IC packaging methods.