18QHTF21-28.259375-PD

Oscillators Overview

The 18QHTF21-28.259375-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 28.259375 MHz with an LVCMOS output interface. The device supports a supply voltage of 1.8V and includes a standby function for power down control. It is housed in a compact 4-SMD, No Lead package.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated standby capability for power management
• Compact surface-mount form factor

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and enable/disable functions. Confirm package dimensions against PCB footprint requirements. Check datasheet for operating temperature range specifications relevant to the target environment. Ensure supply voltage matches the 1.8V requirement for proper operation.

Oscillators Selection Notes

Select this component when a precise 28.259375 MHz clock source is needed with low power consumption. The 1.8V supply voltage suits modern low-voltage digital logic families. The standby feature allows for energy savings in battery-operated or power-sensitive applications requiring periodic clock activity.

Oscillators Part Context

This part belongs to the Mercury Electronics QHTF series of quartz crystal oscillators. The series offers various frequencies and voltage options within a small SMD package. Mercury Electronics has extensive experience in frequency control products, providing reliable timing solutions for electronic systems.

Oscillators Replacement Considerations

Direct substitutes may include other 28.259375 MHz LVCMOS oscillators from different manufacturers. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before substitution.

Oscillators FAQ

What is the output voltage level?

The output is LVCMOS compatible.

Does the device support power saving modes?

Yes, it features a standby function for power down control.