18QHTF21-3.276-OE

Oscillators Overview

The 18QHTF21-3.276-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 3.276 MHz with an LVCMOS output signal type. The device requires a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly. The component supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable control function
• Compact 4-SMD No Lead package

Oscillators Applications

• Clock signal generation in embedded systems
• Timing reference for microcontrollers
• Low-power consumer electronics

Oscillators Procurement Notes

Verify the exact frequency suffix matches the required 3.276 MHz specification. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the 4-SMD No Lead package footprint is compatible with the PCB layout. Check that the ±50ppm stability meets system timing requirements.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required. Consider the LVCMOS output compatibility with downstream logic levels. Evaluate the ±50ppm stability against jitter-sensitive applications. Verify the -40°C to 85°C temperature range covers the intended operational environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard XO oscillators from Mercury Electronic. The series offers various frequencies with consistent electrical characteristics. The model number indicates the specific 3.276 MHz variant within this family.

Oscillators Replacement Considerations

Direct substitutes include other 3.276 MHz LVCMOS oscillators with 1.8V supply and 4-SMD packages. Verify pinout compatibility and electrical parameters before substitution.