9FGL1220AKLFT

Overview

The 9FGL1220AKLFT is a clock generator integrated circuit manufactured by Renesas Electronics Corporation. It is designed for high-performance computing applications, specifically supporting PCIe Gen 1 through Gen 6 architectures. The device features a single input and twelve outputs, providing flexible clock distribution for complex digital systems. It operates with a supply voltage range typical for 3.3V logic families and supports surface-mount packaging in a VFQFPN format. The component integrates phase-locked loop (PLL) technology to ensure signal integrity and timing accuracy required for modern server and accelerator interfaces.

Feature Summary

• Supports PCIe Gen 1–6 Common Clocked (CC), Separate Reference no Spread (SRNS), and Separate Reference Independent Spread (SRIS) architectures
• Provides dedicated output enable pins for CLKREQ# functionality compliance
• Integrates terminations for 100Ω and 85Ω systems to reduce external component count
• Offers SMBus-selectable spread spectrum options including CC/SRIS -0.25% spread

Applications

• Servers and High-Performance Computing platforms
• NVMe Storage solutions
• Networking Accelerators
• Industrial Control systems

Procurement Notes

Verify the specific suffix 'AKLFT' against the manufacturer's current product status, as availability may vary. Confirm that the 24-VFQFPN package dimensions match the target PCB footprint. Ensure the design supports the required 3.3V supply voltage and LVCMOS/LP-HCSL output signaling standards. Check for any recent production change notices (PCN) affecting lead frame or molding compound specifications before finalizing procurement.

Selection Notes

Select this component when designing systems requiring up to twelve differential or single-ended PCIe compliant clocks from a single source. It is suitable for applications needing support for multiple PCIe generations without external spread spectrum generators. Consider the integrated termination resistors if board space is constrained. Verify that the input crystal frequency matches the system reference requirements and that the operating temperature range covers the intended environmental conditions.

Part Context

This part belongs to the 9FGL series of PCIe clock generators from Renesas. It complements other variants like the 9FGL0241/51 which offer fewer outputs but similar architectural support. The series is engineered to meet the stringent jitter and skew requirements of next-generation peripheral interconnects. It serves as a central timing solution for multi-lane interface designs in data center and enterprise infrastructure equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult the official Renesas cross-reference guide for potential alternatives within the 9FGP or 9FGV series, ensuring compatibility with output count and PCIe generation support.