954226AGLFT

Application Specific Clock/Timing Overview

The 954226AGLFT is a clock and frequency synthesizer integrated circuit manufactured by Renesas Electronics Corporation. Designed for PCI Express applications, this device operates with a single supply voltage of 3.3V and delivers one output signal at a maximum frequency of 400MHz. It is housed in a 56-TSSOP package (also referred to as 56-TFSOP) with dimensions of 0.240 inches (6.10mm) width. The component supports surface-mount installation and functions within an operating temperature range of 0°C to +70°C.

Application Specific Clock/Timing Feature Summary

• Integrated PCI Express clock/frequency synthesizer IC
• Single output configuration with maximum frequency of 400MHz
• Operates on a 3.3V power supply
• Available in a 56-TSSOP surface-mount package

Application Specific Clock/Timing Applications

• Intel CPU-M systems
• General Intel CPU platforms
• PCI Express (PCIe) interface circuits

Application Specific Clock/Timing Procurement Notes

This component is officially listed as obsolete and has been discontinued by the manufacturer. Availability is restricted to existing stock or third-party distributors; direct new production orders are not possible. Verification of part authenticity and storage history is critical when sourcing from secondary markets due to the end-of-life status.

Application Specific Clock/Timing Selection Notes

Engineers requiring this specific timing solution must evaluate alternative components due to the discontinuation of the 954226AGLFT. Selection should focus on compatible Renesas PCIe clock synthesizers that match the required 400MHz output frequency and 56-pin TSSOP footprint to ensure pin compatibility and electrical performance parity in existing designs.

Application Specific Clock/Timing Part Context

The 954226AGLFT belongs to the 954226A product family from Renesas Electronics. It serves as a specialized timing generator for mobile and desktop architectures utilizing Intel processors. The device integrates necessary synthesis capabilities to support PCIe standards without requiring external programmable logic, simplifying the system design for motherboard manufacturers.

Application Specific Clock/Timing Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should consult Renesas technical support for current generation replacements compatible with PCIe 56-TSSOP form factors.