CDCDB2000NPPR

Overview

The CDCDB2000NPPR is a high-performance clock buffer and distribution amplifier manufactured by Texas Instruments. It features a single circuit with a 1:20 fanout ratio, supporting both differential input and output configurations. The device operates within a supply voltage range of 3.135V to 3.465V and supports maximum frequencies up to 250 MHz. It utilizes HCSL signaling standards for both input and output interfaces. The component is housed in an 80-TLGA (6x6) package with an exposed pad, designed for surface-mount assembly. It is rated for operation across an ambient temperature range of -40°C to 85°C.

Feature Summary

• 1:20 Fanout Ratio: Distributes a single clock signal to twenty outputs simultaneously.
• HCSL Interface: Supports High-Speed Current-Steering Logic for low-jitter performance.
• Differential I/O: Provides both differential input and differential output capabilities.
• Wide Frequency Range: Operates at frequencies up to 250 MHz.

Applications

• High-speed data converter clock distribution
• FPGA clock network expansion
• SerDes reference clock buffering

Procurement Notes

Verify the specific ordering suffix NPPR against the manufacturer's official documentation to confirm packaging details such as tape and reel specifications or cut tape availability. Ensure the procurement channel provides genuine components with traceable origin to avoid counterfeit risks. Confirm that the 80-TLGA package dimensions align with the target PCB footprint design rules.

Selection Notes

Select this component when a single clock source must drive multiple loads requiring HCSL compatibility. Verify that the system power supply can maintain the required 3.135V to 3.465V range under all load conditions. Consider the thermal dissipation requirements of the 80-TLGA package with its exposed pad for adequate heat transfer during continuous operation at 250 MHz.

Part Context

This part belongs to the clock buffer and driver category from Texas Instruments. It is designed for applications requiring precise timing distribution with minimal skew. The 80-TLGA package offers a compact form factor suitable for dense board layouts common in modern high-speed digital systems.

Replacement Considerations

Consult Texas Instruments' official cross-reference tools for verified pin-compatible or functionally equivalent alternatives. Ensure any substitute maintains the same 1:20 ratio, HCSL interface, and 80-TLGA package constraints.