18QHTF21-3.854-OE

Oscillators Overview

The 18QHTF21-3.854-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 3.854 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Integrates enable/disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Features a compact surface-mount package design

Oscillators Applications

• General timing clock generation in embedded systems
• Data communication interfaces requiring precise frequency references
• Consumer electronics utilizing low-voltage logic families

Oscillators Procurement Notes

Verify the specific operating temperature range 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 PCB footprint matches the 2.0x1.6mm SMD package dimensions to prevent assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a low-profile, 1.8V compatible oscillator is required for space-constrained designs. The LVCMOS output ensures direct interfacing with standard digital logic without additional level shifting. Consider the enable pin utility if dynamic power saving is necessary for the application lifecycle.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series typically offers various frequency options within a standardized small outline package. Mercury Electronics has established itself as a manufacturer of frequency control products since 1973.

Oscillators Replacement Considerations

Cross-reference with other 18QHTF21 variants such as 18QHTF21-3.996-OE or 18QHTF21-6.300-OE if different frequencies are needed. Verify pinout compatibility with existing layouts. Check datasheets for identical package dimensions and electrical characteristics to ensure mechanical and functional interchangeability.