Texas Instruments

CDCR83DBQRG4

CDCR83DBQRG4 Description

The CDCR83DBQRG4 is a high-performance clock generator designed specifically for RDRAM (Rambus Dynamic Random Access Memory) applications. Manufactured by Texas Instruments, this IC is part of the CDCR83 family and is housed in a 24-QSOP package. It is designed to provide precise clock signals with a maximum operating frequency of 400MHz, ensuring reliable and efficient memory operations.

CDCR83DBQRG4 Features

• Main Purpose: The primary function of the CDCR83DBQRG4 is to generate clock signals for RDRAM systems, ensuring synchronized data transfer and memory operations.
• DigiKey Programmable: The CDCR83DBQRG4 is not verified for DigiKey programmability, which means it is pre-configured for specific applications and not user-programmable.
• ECCN: The Export Control Classification Number (ECCN) for this device is EAR99, indicating it is subject to the Export Administration Regulations (EAR) but is not specifically controlled.
• Ratio - Input:Output: The device maintains a 1:1 ratio between input and output signals, ensuring direct and accurate clock signal generation.
• Differential - Input:Output: The CDCR83DBQRG4 supports non-differential input and differential output signals, providing flexibility in signal handling.
• Mounting Type: It is designed for surface mount applications, making it suitable for modern PCB designs and automated assembly processes.
• PLL: The inclusion of a Phase-Locked Loop (PLL) ensures stable and precise clock signal generation, minimizing jitter and phase noise.
• Input: The device accepts TTL (Transistor-Transistor Logic) input signals, which are widely used in digital circuits.
• Voltage - Supply: It operates within a supply voltage range of 3.135V to 3.465V, ensuring compatibility with various power supply configurations.
• Output: The output is a clock signal, specifically tailored for RDRAM applications.
• REACH Status: The CDCR83DBQRG4 is REACH unaffected, meaning it complies with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations.
• HTSUS: The Harmonized Tariff Schedule of the United States (HTSUS) code for this device is 8542.39.0001.
• Package: The device is available in bulk packaging, suitable for large-scale production and distribution.
• Number of Circuits: It contains a single circuit, focusing on dedicated clock generation.
• Frequency - Max: The maximum operating frequency of 400MHz ensures high-speed memory operations.
• RoHS Status: The CDCR83DBQRG4 is ROHS3 compliant, adhering to the Restriction of Hazardous Substances Directive, ensuring environmental safety.
• Moisture Sensitivity Level (MSL): With an MSL of 2 (1 Year), the device is suitable for storage and handling in various environmental conditions.

CDCR83DBQRG4 Applications

The CDCR83DBQRG4 is ideal for applications requiring high-speed memory operations, particularly those involving RDRAM systems. Its precise clock generation capabilities make it suitable for:

• High-Performance Computing: Ensuring synchronized memory operations in servers and high-performance computing systems.
• Networking Equipment: Providing reliable clock signals for memory modules in routers and switches.
• Consumer Electronics: Enhancing the performance of memory-intensive devices such as gaming consoles and multimedia players.
• Industrial Systems: Supporting robust and reliable memory operations in industrial control systems and automation equipment.

Conclusion of CDCR83DBQRG4

The CDCR83DBQRG4 from Texas Instruments is a highly specialized clock generator designed to meet the demanding requirements of RDRAM systems. Its robust features, including a maximum operating frequency of 400MHz, PLL for stable clock generation, and compatibility with TTL input signals, make it a reliable choice for high-speed memory applications. The device's compliance with industry standards such as REACH and RoHS ensures environmental safety and regulatory adherence. Ideal for a range of applications from high-performance computing to consumer electronics, the CDCR83DBQRG4 stands out as a superior choice for precise clock signal generation.