MC44864M

Video Processing Overview

The MC44864M is a Phase-Locked Loop (PLL) tuning circuit manufactured by Motorola, designed for digital tuning systems in video applications. It integrates a 1.3 GHz prescaler and D/A converters to facilitate automatic tuner alignment. The device operates as a bipolar PLL frequency synthesizer housed in a 20-SOIC surface-mount package.

Video Processing Feature Summary

• Integrates a high-frequency 1.3 GHz prescaler for wide-range signal processing
• Includes built-in D/A converters to enable automatic tuner alignment functions
• Designed specifically for digital tuning systems within video equipment

Video Processing Applications

• Digital TV tuner circuits
• Video processing systems requiring automatic alignment
• PLL-based frequency synthesis modules

Video Processing Procurement Notes

Verify the manufacturer source carefully, as listings may attribute this part to NXP USA Inc. due to corporate acquisitions. Confirm RoHS compliance status, as some sources indicate non-compliance. Ensure the 20-SOIC package matches your PCB footprint requirements before ordering.

Video Processing Selection Notes

Select this component when designing legacy or specific Motorola-based video tuning architectures. It is suitable for applications requiring integrated prescaler and D/A capabilities without external alignment components. Verify compatibility with existing bipolar logic levels and power supply constraints defined in the official datasheet.

Video Processing Part Context

This component belongs to Motorola's specialized IC portfolio for video processing. It serves as a dedicated solution for tuner alignment, replacing discrete PLL and DAC designs. The part is often associated with older television standards and broadcast equipment architectures.

Video Processing Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Motorola/NXP replacement guides for direct pin-compatible alternatives.