CDCU2A877NMKT

Application Specific Clock/Timing Overview

The CDCU2A877NMKT is a 1.8-V phase-lock loop clock driver manufactured by Texas Instruments, designed for memory and DDR2 applications. It features a single circuit with a 1:10 input-to-output ratio, supporting differential inputs and outputs. The device operates within a supply voltage range of 1.7 V to 1.9 V and supports a maximum frequency of 410 MHz. It utilizes SSTL-18 signaling standards for both input and output interfaces. The component is housed in a 52-VFBGA package, specifically the MicroStar Junior (7x4.5 mm) form factor, suitable for surface-mount installation. It functions across an operating temperature range from -40°C to +85°C.

Application Specific Clock/Timing Feature Summary

• Integrates a phase-lock loop for precise clock generation and distribution in high-speed memory systems.
• Provides differential signal transmission capabilities for both input and output channels to ensure signal integrity.
• Supports standard SSTL-18 interface protocols compatible with DDR2 memory architectures.

Application Specific Clock/Timing Applications

• DDR2 memory interface clock distribution
• High-speed memory system clock buffering
• Server and workstation motherboard clock networks

Application Specific Clock/Timing Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm current availability status as this part may be subject to discontinuation or lifecycle changes. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering. Validate that the specific package variant matches the design footprint constraints. Review official documentation for any recent product change notifications affecting specifications or pinouts.

Application Specific Clock/Timing Selection Notes

Select this component when designing systems requiring a 1.8-V PLL-based clock driver for DDR2 memory interfaces. Ensure the design accommodates the 52-VFBGA MicroStar Junior package dimensions and thermal requirements. Verify compatibility with SSTL-18 signaling standards and differential I/O configurations. Consider the 410 MHz maximum frequency limit relative to system timing needs. Evaluate the -40°C to +85°C operating range against environmental conditions.

Application Specific Clock/Timing Part Context

This device belongs to the CDCUA877 family of clock drivers from Texas Instruments, specialized for memory applications. It serves as a critical component in distributing reference clocks to multiple memory devices. The family is characterized by low jitter performance and integrated PLL functionality, enabling stable clock generation without external oscillators in many designs.

Application Specific Clock/Timing Replacement Considerations

CDCUA877ZQLT is listed as a similar substitute option.

Application Specific Clock/Timing FAQ

What is the maximum operating frequency of the CDCU2A877NMKT?

The maximum operating frequency is 410 MHz.

Does the CDCU2A877NMKT support differential signals?

Yes, it supports differential inputs and differential outputs.