The recommended PCB layout for the DS33R11+ involves placing the device near the clock source, using a solid ground plane, and minimizing the distance between the device and the clock source. Additionally, it's recommended to use a low-impedance clock source and to decouple the power supply pins with 0.1uF capacitors.
To ensure accurate clock frequency output from the DS33R11+, it's essential to use a high-quality crystal oscillator with a frequency tolerance of ±20ppm or better. Additionally, the device should be operated within its recommended temperature range, and the power supply voltage should be stable and within the recommended range.
The DS33R11+ can support clock frequencies up to 125MHz. However, the device's performance and accuracy may degrade at higher frequencies, so it's recommended to operate the device at frequencies below 100MHz for optimal performance.
Yes, the DS33R11+ can be used in a system with multiple clock domains. The device has a separate output enable pin for each clock output, allowing the user to control the clock output independently. This feature enables the device to be used in systems with multiple clock domains.
To troubleshoot clock output issues with the DS33R11+, start by verifying the power supply voltage and ensuring that it's within the recommended range. Next, check the crystal oscillator frequency and ensure that it's within the recommended tolerance. Finally, verify the clock output signal using an oscilloscope or a frequency counter to identify any issues with the clock signal.
DS33R11+ datasheet
by Maxim Integrated Products
