18QHTF21-22.273681-PD

Oscillators Overview

The 18QHTF21-22.273681-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 22.273681 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down standby function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports low-power standby operation via power-down control
• Delivers standard LVCMOS output signals for digital interfacing
• Utilizes a leadless surface-mount package for automated assembly

Oscillators Applications

• Clock generation for embedded systems requiring precise timing
• Data communication interfaces utilizing standard logic levels
• Portable electronic devices constrained by small form factor requirements

Oscillators Procurement Notes

Verify the specific suffix designation against manufacturer documentation to confirm the exact electrical characteristics and pinout configuration. Ensure that the 1.8V supply requirement aligns with the target system's power rails. Confirm that the leadless package type matches the PCB footprint design specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a stable 22.273681 MHz reference is required with minimal board space. The LVCMOS interface simplifies integration with standard digital logic families. Consider the power-down feature if energy efficiency during idle states is a critical design constraint for the application environment.

Oscillators Part Context

This model belongs to Mercury Electronics' series of surface-mount crystal oscillators designed for consumer and industrial electronics. The product line emphasizes compact packaging solutions suitable for high-density circuit boards. Mercury Electronics leverages its expertise in quartz frequency control to provide reliable timing solutions.

Oscillators Replacement Considerations

Direct substitutes must match the 22.273681 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions. Verify compatibility with existing firmware or hardware logic levels before swapping components.