74HCT7046AM96

Clock Generators, PLLs, Frequency Synthesizers Overview

The CD74HCT7046AM96 is a high-speed CMOS phase-locked loop (PLL) integrated circuit manufactured by Texas Instruments. It integrates a voltage-controlled oscillator (VCO), two phase comparators, and a lock detector within a single 16-pin SOIC package. The device operates on a supply voltage range of 4.5 V to 5.5 V and supports input frequencies up to 38 MHz. Designed for robust performance in demanding environments, it functions reliably across an extended temperature range from -55 °C to +125 °C. The component utilizes standard HCT logic levels, ensuring compatibility with TTL-driven systems while maintaining low power consumption characteristics typical of CMOS technology.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a wide-range voltage-controlled oscillator (VCO) capable of frequency synthesis applications.
• Includes dual phase comparators to support flexible loop filter configurations and system requirements.
• Features an internal lock detector output to indicate when the PLL has achieved frequency synchronization.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Frequency synthesizers for communication equipment
• Clock recovery circuits in data transmission systems
• Motor speed control loops

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix '96' against the manufacturer's official documentation to confirm packaging details and material compliance. Ensure that the ordering information matches the exact part number required for the design, as suffixes can denote variations in tape-and-reel specifications or lead finish. Cross-reference the datasheet revision date to ensure all electrical parameters are current before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a complete PLL solution with an integrated VCO is required for HCT-compatible logic systems. It is suitable for designs needing operation at standard 5 V logic levels with extended industrial temperature ratings. Consider the 16-pin SOIC footprint for surface-mount assembly constraints. Verify that the required input frequency range falls within the specified 38 MHz limit for proper phase detection performance.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the CD74HCT series of high-speed CMOS logic devices produced by Texas Instruments. The 7046A designation specifically identifies the PLL topology with integrated VCO. The 'M96' suffix typically indicates a specific tube or reel packaging configuration used by the manufacturer for distribution. This series is widely used in legacy and modern digital systems requiring frequency modulation or clock generation capabilities.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct pin-to-pin replacements include the CD74HC7046AM96, which offers similar functionality but operates on a broader voltage range (2 V to 6 V). Other compatible variants may include the CD74HCT7046AN for through-hole applications. Always verify electrical specifications and package dimensions before substituting to ensure circuit compatibility.