18QHTF21-24.459722-PD

Oscillators Overview

The 18QHTF21-24.459722-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 24.459722 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Supports standby mode via power-down control signal
• Utilizes surface-mount technology for automated assembly

Oscillators Applications

• Digital clock generation for microprocessors
• Timing reference for communication interfaces
• Synchronization circuits in portable electronics

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a precise 24.459722 MHz timing source is required for low-voltage digital systems. The choice depends on the necessity for LVCMOS signaling levels and the availability of a power-down control feature for energy management. Evaluate the thermal performance and stability requirements within the intended operating temperature range.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, designed for high-frequency applications in small form factors. The series typically offers various frequencies and voltage options, catering to diverse consumer and industrial electronic needs while maintaining consistent package dimensions for design flexibility.

Oscillators Replacement Considerations

Direct substitutes include other 24.459722 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Verify pinout compatibility and electrical characteristics such as rise/fall times and duty cycle to ensure seamless integration without circuit modification.