9DBU0741AKILFT

Overview

The 9DBU0741AKILFT is a seven-output, 1.5V PCIe fanout clock buffer from Renesas Electronics. It operates at frequencies up to 167 MHz with HCSL differential inputs and LP-HCSL outputs. The device features integrated terminations for direct connection to 100-ohm transmission lines, eliminating the need for external resistors. It includes individual output enable pins for power management and supports spread spectrum input signals. The component utilizes an SMBus interface for configuration and is housed in a space-saving 5x5 mm 40-pin VFQFPN package.

Feature Summary

• Seven outputs with integrated 100-ohm terminations
• Individual OE# pins for per-output clock management
• Spread spectrum tolerant design for EMI reduction
• Programmable slew rate and output amplitude

Applications

• PCI Express (Gen1-Gen3) system clock distribution
• High-performance server and storage backplanes
• Network infrastructure equipment requiring low jitter

Procurement Notes

Verify RoHS compliance and moisture sensitivity level before procurement. Confirm the specific suffix 'AKILFT' matches the required tape-and-reel packaging quantity of 2500 units. Check for any recent Product Change Notifications regarding pinout or electrical parameter updates.

Selection Notes

Select this part when a seven-channel fanout solution is required for 1.5V PCIe applications. Ensure the design accommodates the 40-pin VFQFPN footprint. Verify that the host controller supports the SMBus interface if dynamic configuration of slew rates or amplitudes is necessary.

Part Context

This component belongs to the IDT 1.5V Ultra-Low-Power PCIe family, now managed by Renesas Electronics following their acquisition of IDT's timing products. It serves as a zero-delay buffer alternative for distributing reference clocks in high-speed digital systems.

Replacement Considerations

Direct replacements within the same family include the 9DBU0641 (6 outputs) or 9DBU0941 (9 outputs). Cross-family substitution requires verifying voltage levels and output signaling standards.