18QHTF21-23.900-PD

Oscillators Overview

The 18QHTF21-23.900-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 23.9 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Includes standby mode capability for power management
• Utilizes a leadless SMD package for space-constrained designs

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

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 voltage aligns with the system's power rails. Ensure the 2.0x1.6 mm footprint matches the PCB layout constraints. Cross-reference the datasheet for operating temperature ranges to guarantee reliability under expected environmental conditions.

Oscillators Selection Notes

Select this component when a low-voltage, small-footprint oscillator is required for 23.9 MHz applications. Consider the LVCMOS output level compatibility with downstream logic families. Evaluate the power-down feature if energy efficiency is a priority. Compare physical dimensions against available board space to ensure mechanical fit within the assembly.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, characterized by its 2.0x1.6 mm package size and 1.8V operation. The series offers various frequencies while maintaining consistent electrical characteristics and form factors. It serves as a timing source for digital circuits requiring stable oscillation in portable or dense electronic devices.

Oscillators Replacement Considerations

Direct substitutes include other 23.9 MHz LVCMOS oscillators in 2.0x1.6 mm packages with 1.8V operation. Verify pinout compatibility and electrical specifications such as jitter and phase noise before substitution. Alternative parts from different manufacturers may require layout adjustments if package dimensions differ.