18QHTF21-14.27643-PD

Oscillators Overview

The 18QHTF21-14.27643-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 14.27643 MHz and utilizes LVCMOS output logic. The device functions on a 1.8V supply voltage and includes a standby or power-down control feature 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 standby and power-down functionality
• Utilizes LVCMOS output logic

Oscillators Applications

• General clock signal generation
• Embedded systems timing
• Portable electronic devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet. Ensure the PCB layout accommodates the 4-SMD no-lead package dimensions to prevent mechanical stress during assembly.

Oscillators Selection Notes

Select this component when a precise 14.27643 MHz reference is required for LVCMOS-compatible digital circuits. The choice is driven by the need for low-power consumption due to the 1.8V operating voltage and the availability of a power-down mode. The small form factor makes it suitable for space-constrained applications requiring reliable clock sources.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series is characterized by its small footprint and low voltage operation, catering to modern portable electronics. Mercury Electronics has a long history in the quartz industry, providing standardized oscillators for various industrial and consumer applications.

Oscillators Replacement Considerations

Compatible replacements include other models from the same 18QHTF21 series with different frequencies, such as 18QHTF21-64.300-PD or 18QHTF21-51.200-PD, provided the frequency requirement changes. Direct substitution requires matching the LVCMOS output, 1.8V supply, and 4-SMD package type.