18QHTF21-22.1776-PD

Oscillators Overview

The 18QHTF21-22.1776-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 22.1776 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down standby function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down control capability
• Provides LVCMOS signal output

Oscillators Applications

• General timing applications requiring precise frequency reference
• Embedded systems utilizing LVCMOS interfaces
• Portable electronics benefiting from low-power standby modes

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 4-SMD no-lead package footprint matches the target PCB design. Ensure the 1.8V supply rail stability meets the component's electrical requirements to maintain signal integrity.

Oscillators Selection Notes

Select this component when a small form factor is required alongside low-voltage compatibility. The integrated power-down feature makes it suitable for battery-operated devices where standby current reduction is critical. Verify that the LVCMOS output level aligns with the receiving logic inputs.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various standard frequencies within a compact 2.0x1.6mm package. These components are designed for timing applications in consumer and industrial electronics requiring reliable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with different frequencies, such as 18QHTF21-23.760-PD or 18QHTF21-17.7776-PD, provided the frequency difference is acceptable for the application.