18QHTF21-38.6666-PD

Oscillators Overview

The 18QHTF21-38.6666-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a standard frequency of 38.6666 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The component features a Standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby functionality to enable power down operations
• Utilizes a small form factor 4-SMD No Lead package

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 38.6666 MHz
• Embedded devices utilizing low-voltage 1.8V logic

Oscillators Procurement Notes

Verify the specific frequency tolerance and phase noise specifications against the official datasheet before procurement, as these parameters are critical for timing-sensitive applications. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD No Lead package footprint matches the PCB design requirements to prevent assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a precise 38.6666 MHz clock source is required within a low-power 1.8V environment. The choice is driven by the need for LVCMOS compatibility and a minimal board space solution provided by the 2.0x1.6mm package. Consider the standby feature if power management is a priority in the end application design.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The manufacturer has decades of experience in frequency control components. This specific model represents a standard XO variant designed for modern surface-mount electronics, offering reliability in timing applications across various industries.

Oscillators Replacement Considerations

Direct substitutes include other 38.6666 MHz LVCMOS oscillators in a 4-SMD No Lead package with 1.8V operation. Verify pinout compatibility and electrical characteristics such as load capacitance and drive level before swapping manufacturers.