CDCDB2000ENPPT

Overview

The CDCDB2000ENPPT is a high-performance, low-power 1:20 differential clock buffer manufactured by Texas Instruments. Designed for PCIe Gen 1 through Gen 5 applications, it features one HCSL input and twenty HCSL outputs with a maximum frequency of 250 MHz. The device operates within a supply voltage range of 3.135 V to 3.465 V and supports an operating temperature range of -40°C to +85°C. It is housed in an 80-TLGA (6x6) package with an exposed pad, suitable for surface mount assembly.

Feature Summary

• Supports PCIe Gen 1 to Gen 5 standards with 20 low-power HCSL outputs
• Maximum output frequency of 250 MHz with 1:20 distribution ratio
• Operates on a single 3.135 V to 3.465 V power supply
• Available in an 80-TLGA surface-mount package

Applications

• PCI Express (PCIe) Gen 1 to Gen 5 clock distribution
• Server motherboards requiring multi-lane clocking
• Storage systems and network switches

Procurement Notes

Verify the specific ordering suffix ENPPT against the manufacturer's official datasheet to confirm package type and reel specifications. Ensure the component meets the required thermal and electrical parameters for the target application environment before procurement.

Selection Notes

Select this component when designing systems requiring extensive clock fan-out for PCIe interfaces. The 250 MHz limit and HCSL output compatibility are critical constraints. Verify that the PCB layout accommodates the 80-TLGA package dimensions and thermal requirements.

Part Context

This part belongs to the CDCDB2000 series of clock buffers from Texas Instruments. It is specifically engineered to meet the stringent timing and power requirements of modern high-speed serial link standards, particularly PCI Express generations 1 through 5.

Replacement Considerations

Compatible alternatives include the CDCDB800 and CDCDB400 from Texas Instruments, which offer similar PCIe compliance but with different output counts (8 and 4 respectively). Verify pinout and electrical characteristics before substitution.