MPC9109AC

Overview

The MPC9109AC is a low voltage clock distribution chip manufactured by NXP USA Inc. (formerly Freescale Semiconductor). It provides a 1:18 fanout with LVCMOS outputs and supports either LVPECL or LVCMOS inputs. The device operates on dual or single supplies ranging from 2.375V to 3.465V, supporting both 2.5V and 3.3V output configurations. It achieves a maximum frequency of 250MHz at 3.3V core voltage, with an output-to-output skew of 200ps. Packaged in a 32-LQFP surface mount case, it is designed for synchronous systems requiring precise clock distribution.

Feature Summary

• 1:18 Clock Distribution Fanout
• Dual Input Support: LVPECL or LVCMOS
• Maximum Frequency: 250 MHz @ 3.3 V Core
• Output-to-Output Skew: 200 ps @ 3.3 V

Applications

• Intel CPU Servers
• High performance Pentium II microprocessor based designs
• Demanding synchronous systems

Procurement Notes

Verify the manufacturer status as NXP USA Inc., noting the original documentation originates from Freescale Semiconductor. Confirm the AC suffix indicates a Pb-free package variant within the 32-LQFP form factor. Ensure supply voltage requirements match the specific 2.5V or 3.3V configuration needed for the target application.

Selection Notes

Select this component when a 1:18 fanout is required with low output-to-output skew. Choose between LVPECL or LVCMOS input modes based on the source clock signal. Verify that the system can accommodate the specified 2.375V to 3.465V supply range and that the 32-LQFP footprint fits the board layout constraints.

Part Context

This device belongs to the Advanced Clock Drivers Devices family. It serves as a specialized solution for distributing clock signals in high-speed digital environments. The part was originally released under the Freescale brand before corporate transitions, maintaining its role in server and processor clock architectures.

Replacement Considerations

Refer to the MPC940L data sheet for higher performance versions. Consult the MPC942 data sheet if lower output impedance is required.