18QHTF21-14.875-PD

Oscillators Overview

The 18QHTF21-14.875-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 14.875 MHz with an LVCMOS output logic type. The device requires a 1.8V supply voltage and features a Standby (Power Down) control function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. The unit supports an operating temperature range typical for commercial grade components and offers frequency stability specifications consistent with standard XO performance.

Oscillators Feature Summary

• LVCMOS output interface for digital circuit compatibility
• Integrated standby control for power down functionality
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Data communication interface synchronization

Oscillators Procurement Notes

Verify the specific suffix PD indicates the Standby control option against the manufacturer datasheet. Confirm the 1.8V supply requirement matches the target system voltage rails. Ensure the 4-SMD footprint aligns with the PCB layout guidelines provided in the official component documentation before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside power-down capabilities. The LVCMOS output ensures direct interfacing with standard digital logic families without additional level shifting. Consider the physical dimensions of the 4-SMD package to ensure adequate clearance on the printed circuit board during the design phase.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount oscillators. The series utilizes quartz resonators to provide stable timing signals. The specific model denotes a 14.875 MHz frequency variant with dedicated power management controls, distinguishing it from continuous-operation variants within the same product family.

Oscillators Replacement Considerations

Cross-reference other 18QHTF series parts with identical frequency and voltage ratings. Verify that substitute components support the same LVCMOS output and Standby control pin configuration. Check mechanical footprint compatibility to ensure direct replacement without PCB rework.