CD74HC7046AM

Overview

The CD74HC7046AM is a single-phase-locked-loop integrated circuit manufactured by Harris Corporation. It utilizes CMOS technology and operates within a supply voltage range of 2 V to 6 V, with a nominal rating of 5 V. The device supports a maximum input frequency of 38 MHz and functions across an extended temperature range from -55 °C to +125 °C. Packaged in a surface-mount SOIC-16 format, it integrates a voltage-controlled oscillator and lock detector for signal processing applications.

Feature Summary

• Integrates a phase-locked loop with a built-in voltage-controlled oscillator
• Includes a dedicated lock detection circuit for status monitoring
• Supports high-speed CMOS logic operation

Applications

• Frequency tracking circuits
• Clock recovery systems
• Modulation/demodulation circuits

Procurement Notes

Verify the manufacturer designation as Harris Corporation on the component marking or official datasheet. Confirm the package type is SOIC-16 and the operating temperature range covers -55 °C to +125 °C. Ensure the supply voltage specifications align with the 2 V to 6 V requirement before integration into the design.

Selection Notes

Select this component when a single PLL with an integrated VCO is required for frequencies up to 38 MHz. The wide industrial temperature range makes it suitable for harsh environments. Verify that the SOIC-16 surface-mount package fits the board layout constraints and that the CMOS logic levels are compatible with the system interface.

Part Context

This part belongs to the 74HC series of logic devices, specifically designed for phase-locked loop applications. It is functionally related to other variants such as the CD74HCT7046AH and CD74HC4046AE, which share similar PLL architectures but may differ in package types, speed grades, or specific electrical characteristics defined by their respective datasheets.

Replacement Considerations

Cross-reference with CD74HC7046A for pin-compatible alternatives. Verify if the 'M' suffix denotes a specific tape-and-reel packaging option compared to standard tube packaging. Check equivalent parts from NXP or Texas Instruments, ensuring they meet the 38 MHz frequency limit and 2 V–6 V supply range.