74HCT7046AD,118

Clock Generators, PLLs, Frequency Synthesizers Overview

The 74HCT7046AD,118 is a Phase-Locked Loop (PLL) circuit manufactured by NXP USA Inc. It operates within a supply voltage range of 4.5 V to 5.5 V and supports data rates up to 20 MHz. The device integrates an XOR phase detector, an internal oscillator with external components, and a buffer output. It is housed in a 16-pin SO package (SOT109). The component functions as a frequency synthesizer and demodulator, featuring a lock detect output for system synchronization verification.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates an exclusive OR (XOR) phase detector for precise signal comparison
• Includes an internal oscillator section requiring minimal external components
• Provides a dedicated lock detect output to indicate phase alignment status

Clock Generators, PLLs, Frequency Synthesizers Applications

• Frequency synthesis circuits
• FM demodulation systems
• Clock recovery applications

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering code 74HCT7046AD,118 against the manufacturer's current datasheet to confirm package type and electrical specifications. Ensure compatibility with the target PCB footprint for the 16-pin SO package. Confirm that the required operating temperature range aligns with the standard industrial limits defined in the official documentation before finalizing procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a CMOS-compatible PLL with an XOR phase detector is required. It is suitable for designs needing a lock detect feature without external logic. Compare performance against the 74HC7046A variant if higher speed or different voltage thresholds are necessary. Verify that the 5V logic family matches the system interface requirements.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the 74HCT series of high-speed CMOS logic devices. The 74HCT7046A is a widely used PLL IC known for its versatility in frequency modulation and synthesis. The AD suffix indicates the SO package variant, while the ,118 denotes the specific tape and reel packaging configuration for automated assembly.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The 74HC7046AD,118 is a compatible alternative with HC logic levels. Cross-reference with other manufacturers' 74HCT7046 equivalents to ensure pinout and electrical parameter compatibility.