18QHTF21-1.8432-OE

Overview

The 18QHTF21-1.8432-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.8432 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, no lead package.

Feature Summary

• LVCMOS output interface
• Enable/disable control capability
• Compact surface-mount packaging

Applications

• Digital clock signal generation
• Microcontroller system timing
• Communication interface synchronization

Procurement Notes

Verify the specific frequency suffix matches the required 1.8432 MHz operation. Confirm the 1.8V supply requirement aligns with the target circuit design. Ensure the 4-SMD package footprint is compatible with the PCB layout. Check for RoHS compliance status if required by project specifications.

Selection Notes

Select this component when a low-voltage 1.8V oscillator is required for precise timing applications. Consider the LVCMOS output compatibility with downstream digital logic. Evaluate the physical size constraints against the 4-SMD package dimensions. Verify that the enable/disable feature supports power management requirements.

Part Context

This part belongs to the 18QHTF21 series of standard XO oscillators from Mercury Electronics. The series offers various frequencies with consistent electrical characteristics. The manufacturer specializes in quartz crystals and frequency control products. This specific model provides a common base frequency for digital systems.

Replacement Considerations

Direct substitutes must match the 1.8432 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility before replacement. Cross-reference with other manufacturers offering similar low-profile oscillators.