9ZXL1251AKILF

Overview

The 9ZXL1251AKILF is a clock buffer integrated circuit from the Renesas DB1200ZL family, designed for Intel QPI and PCI Express applications. It features a single input driving twelve outputs with a 1:12 distribution ratio. The device supports differential HCSL output signals and operates within a supply voltage range of 3.135V to 3.465V. It is housed in a 64-VFQFPN (9x9mm) surface-mount package with exposed pads. The component includes an internal PLL and functions as a processor clock distributor.

Feature Summary

• 12-Output LP-HCSL Buffer
• Integrated PLL for Clock Generation
• Supports Intel QPI and PCIe Interfaces
• Differential Input/Output Capability

Applications

• Intel QuickPath Interconnect (QPI) Systems
• PCI Express (PCIe) Clock Distribution
• Processor Clocking Networks

Procurement Notes

Verify the specific suffix 'AKILF' against official Renesas documentation to confirm pinout and electrical characteristics, as distributors may list similar variants like 'EKILFT'. Confirm moisture sensitivity level (MSL 3) and reflow soldering profiles during procurement planning. Check for active obsolescence status or last-time buy notices directly from the manufacturer.

Selection Notes

Select this component when a 1:12 clock distribution ratio is required for high-speed serial interfaces like QPI or PCIe. Ensure the design accommodates the 64-VFQFPN package thermal requirements. Verify that the system power supply strictly maintains the 3.135V to 3.465V range for optimal performance. Compare against the EKILFT variant if lead-free compliance or specific packaging differences are critical.

Part Context

This part belongs to the 9ZXL1251 series, which includes derivatives such as the 9ZXL1251EKILFT. These components are specialized clock buffers targeting server and storage architectures requiring low-power HCSL signaling. The AKILF suffix typically denotes a specific commercial grade or packaging configuration within the broader DB1200ZL product line.

Replacement Considerations

Direct substitutes include other parts from the 9ZXL1251 family, such as the 9ZXL1251EKILFT. Verify compatibility regarding output drive strength and package dimensions before substitution.