The ZL40800 is a low-jitter clock multiplier and jitter attenuator manufactured by Zarlink Semiconductor (now Microsemi, which is now Microchip Technology). This device is designed to generate high-frequency, low-jitter clocks for demanding applications.

Applications

• Optical transport networks (OTN)
• Synchronous Ethernet (SyncE)
• Base stations
• High-speed data communication systems
• Clock and data recovery (CDR) circuits

Features

• Low output jitter (typically less than 0.3 ps RMS)
• Frequency multiplication and division
• Input frequency range: 8 kHz to 160 MHz
• Output frequency range: 8 kHz to 800 MHz
• Supports multiple clock output formats (LVPECL, LVDS, HCSL, CMOS)
• Integrated loop filter
• Digital phase-locked loop (DPLL)
• Flexible clock configuration
• Power supply voltage: 2.5 V or 3.3 V

Benefits

• Reduces jitter and phase noise in clock signals, improving system performance.
• Enables frequency synthesis for a wide range of applications.
• Supports various clock output formats for compatibility with different devices.
• Simplifies system design with integrated loop filter and DPLL.
• Provides flexible clock configuration options for customization.
• Meets the stringent timing requirements of high-speed data communication systems.

Additional Details

The ZL40800 utilizes a digital phase-locked loop (DPLL) to generate low-jitter clock signals. It features an integrated loop filter to minimize phase noise. The device supports various clock output formats, including LVPECL, LVDS, HCSL, and CMOS, providing flexibility in system design. The clock multiplier and divider functions allow for frequency synthesis. The ZL40800 is typically available in a small form factor package. Its low jitter performance makes it suitable for applications requiring precise timing and synchronization.