18QHTF21-21.168-PD

Oscillators Overview

The 18QHTF21-21.168-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 21.168 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby capability for power reduction
• Utilizes LVCMOS output interface

Oscillators Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance.

Oscillators Selection Notes

Select this component when a small form factor is required alongside low-power consumption capabilities. Ensure the host circuit supports LVCMOS logic levels and provides the necessary 1.8V supply. Consider the thermal environment as operating temperature ranges may vary by specific sub-model.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series is characterized by its miniature footprint and standardized output formats, designed for integration into space-constrained electronic assemblies requiring precise timing signals.

Oscillators Replacement Considerations

Direct substitutes must match the 21.168 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions. Verify pin compatibility and electrical specifications with alternative manufacturers before implementation.