The 74HCT4046AN is a high-speed Si-gate CMOS device and is pin compatible with the HEF4046B but has different electrical characteristics. Manufactured by NXP, a leader in semiconductor solutions, the 74HCT4046AN is a versatile phase-locked loop circuit that is designed to be used in a wide range of applications including signal conditioning, frequency synthesis, and timing management.

Key Features

• Voltage Range: The device operates on a recommended voltage range of 4.5V to 5.5V, making it ideal for 5V systems.
• Phase Comparator: It includes three phase comparators providing different characteristics and an edge-triggered type that is capable of phase-frequency detection.
• VCO: The Voltage-Controlled Oscillator (VCO) with an oscillator buffer capable of driving a quartz crystal in the frequency range of 1MHz to 10MHz.
• Inherent Filtering: The loop filter can be connected externally, allowing designers to set the bandwidth and response characteristics of the loop.
• Temperature Range: It is designed to operate over a wide temperature range from -40°C to +125°C, making it suitable for industrial applications.
• Logic Family: As part of the 74HCT family, this device is characterized for operation from -40°C to +125°C.

Applications

The 74HCT4046AN is commonly used in applications that require precise control of frequency or phase. Some of these applications include:

• Frequency synthesizers
• Phase-locked loops for radio, TV, and telecommunications
• Signal processing
• Timing functions in microprocessor systems

Quality and Reliability

NXP's commitment to quality ensures that the 74HCT4046AN is manufactured to the highest standards, with robustness and reliability in mind. The device is available in a standard 16-lead DIP (Dual In-line Package), making it easily integrable into a variety of circuit boards and systems.

For detailed specifications, application circuits, and additional information, customers are encouraged to refer to the official NXP datasheets and product guides.