18QHTF21-20.469722-PD

Oscillators Overview

The 18QHTF21-20.469722-PD is a quartz crystal oscillator manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 20.469722 MHz with an LVCMOS output signal. The device supports a supply voltage of 1.8V and includes a standby power-down function. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Integrates LVCMOS output interface for standard digital logic compatibility
• Features low-voltage operation at 1.8V with standby power-down capability
• Utilizes a surface-mount 4-SMD no-lead package for space-constrained designs

Oscillators Applications

• Embedded system clock generation
• Digital communication interfaces
• Microcontroller timing circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to guarantee proper assembly and electrical connection.

Oscillators Selection Notes

Select this component when a precise 20.469722 MHz clock source is required in a minimal footprint. The LVCMOS output simplifies interfacing with standard logic families. Consider the 1.8V operating voltage for low-power applications and utilize the power-down feature for energy management in battery-operated devices.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind., Co., Ltd, which specializes in quartz crystal oscillators. The manufacturer has extensive experience in producing quartz crystals and filters. This series offers various frequencies within a small SMD package format suitable for modern electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 20.469722 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics before swapping manufacturers.