9LPRS365BKLFT

Overview

The 9LPRS365BKLFT is a clock synthesizer and jitter cleaner designed for Intel CPU and PCI Express (PCIe) applications. It features a single circuit with a 1:21 input-to-output ratio, generating up to 21 differential clock outputs from a crystal input. The device operates within a supply voltage range of 3.135V to 3.465V and supports frequencies up to 400MHz. Packaged in a 64-VFQFPN (9x9mm) with an exposed pad, it functions between 0°C and 70°C. This component integrates PLL technology to provide precise timing signals for high-speed digital systems.

Feature Summary

• Designed specifically for Intel CPU and PCIe main clock generation
• Generates 21 differential outputs from a single crystal input
• Operates at frequencies up to 400MHz with integrated PLL
• Available in a compact 64-VFQFPN surface-mount package

Applications

• Intel CPU main clock distribution
• PCI Express (PCIe) system timing
• High-performance server and workstation platforms

Procurement Notes

This component is officially listed as End-of-Life (EOL) by the manufacturer. Availability is restricted to existing stock or surplus channels. Verify RoHS compliance status and moisture sensitivity level (MSL 3) before procurement. Due to the discontinued status, lead times may vary significantly across suppliers.

Selection Notes

Select this part when designing for legacy Intel architectures requiring CK505-compatible clocking. Ensure the design accommodates the specific 3.135V–3.465V supply voltage range. The 64-pin VFQFPN package requires appropriate PCB footprint design for the exposed thermal pad. Confirm that the 0°C to 70°C commercial temperature range meets the system's environmental requirements.

Part Context

The 9LPRS365BKLFT belongs to the Renesas 9LPRS365 series of clock synthesizers. It serves as a derivative of the industry-standard CK505 clock generator, tailored for modern Intel processors. The 'BKLFT' suffix denotes the specific package type (VFQFPN), tape-and-reel packaging, and lead-free finish compliant with RoHS standards.

Replacement Considerations

As the part is EOL, verify pin-to-pin compatibility with newer Renesas clock generators such as the ICS9LPRS365 series variants or other CK505 derivatives. Consult official replacement guides to ensure electrical parameters like output skew and jitter performance remain within acceptable limits for the target application.