onsemi Tariff Inquiry

MC74HC4046ADTR2G

MC74HC4046ADTR2G Description

The MC74HC4046ADTR2G from onsemi is a high-speed Phase-Locked Loop (PLL) IC designed for precision frequency and phase control in electronic systems. Packaged in a 16-pin TSSOP and supplied in tape & reel (TR), this surface-mount device operates within a 3V to 6V supply range, making it compatible with standard CMOS logic levels. With a maximum frequency of 13MHz, it integrates a PLL with 1:4 input-to-output ratio, ensuring stable signal synchronization. Though marked obsolete, it remains a reliable choice for legacy designs requiring robust PLL functionality.

MC74HC4046ADTR2G Features

• High-Speed PLL: Supports frequencies up to 13MHz, ideal for timing-critical applications.
• Wide Voltage Range (3V–6V): Compatible with both 3.3V and 5V systems.
• CMOS I/O: Ensures low power consumption and noise immunity.
• Surface-Mount TSSOP Package: Space-efficient for compact PCB designs.
• No Divider/Multiplier: Simplifies design where pure PLL functionality is needed.
• REACH Unaffected: Compliant with environmental regulations.

MC74HC4046ADTR2G Applications

• Clock Recovery: Extracts clock signals from data streams in communication systems.
• Frequency Synthesis: Generates stable frequencies for RF and audio applications.
• Motor Control: Synchronizes PWM signals in servo and stepper systems.
• Signal Conditioning: Cleans up jittery or noisy reference clocks.
• Legacy Systems: Maintains compatibility in industrial and automotive electronics.

Conclusion of MC74HC4046ADTR2G

The MC74HC4046ADTR2G offers a balance of speed, voltage flexibility, and simplicity, making it a pragmatic choice for PLL-based designs despite its obsolete status. Its CMOS compatibility and 13MHz capability ensure reliable performance in clock generation, synchronization, and signal integrity applications. Engineers working on retrofit or maintenance projects will find it a dependable solution for frequency control needs.