18QHTF21-22.1184-PD

Oscillators Overview

The 18QHTF21-22.1184-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 22.1184 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm. The component supports an operating temperature range of -40°C to 85°C and has a maximum supply current of 22mA.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes a standby mode for power management via power-down control
• Designed for surface-mount assembly in small form-factor applications

Oscillators Applications

• Digital signal processing circuits requiring precise clock timing
• Communication systems utilizing standard frequency references
• Embedded controllers needing low-power clock sources

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required system clock speed. Confirm the 1.8V supply requirement aligns with the target circuit design. Ensure the 4-SMD package footprint corresponds to the PCB layout specifications. Check that the operating temperature range meets the environmental conditions of the intended application.

Oscillators Selection Notes

Select this model when a 22.1184 MHz reference is needed with low voltage constraints. Consider the LVCMOS interface for direct digital logic integration. Evaluate the thermal performance within the specified -40°C to 85°C range. Compare against other Mercury oscillators if different frequencies or voltages are required.

Oscillators Part Context

This part belongs to the Mercury Electronic 18QHTF21 series of standard crystal oscillators. The series offers various frequencies with consistent 1.8V operation and LVCMOS outputs. These components are designed for compact electronic devices requiring reliable timing signals in space-constrained environments.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinouts and electrical characteristics but different frequency suffixes. Verify compatibility before swapping parts with different manufacturers due to potential parameter variations.