18QHTF21-28.900-OE

Oscillators Overview

The 18QHTF21-28.900-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 28.900 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Oscillators Feature Summary

• Standard clock oscillator with LVCMOS output
• Integrated enable and disable control functionality
• Compact surface-mount package design

Oscillators Applications

• General purpose digital circuit timing
• Embedded system clock generation
• Consumer electronics signal processing

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required voltage levels and output types. Confirm that the OE suffix aligns with the intended enable/disable configuration for your specific application requirements before finalizing procurement.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise 28.900 MHz timing. The integrated enable feature allows for power management in battery-operated devices. Ensure the PCB layout accommodates the 4-SMD no-lead footprint dimensions specified in the official mechanical drawings.

Oscillators Part Context

This part belongs to the 18QHTF series of high-performance crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a standardized small form factor. The 18QHTF21 variant specifically targets applications requiring reliable clock signals in space-constrained electronic designs.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF series parts with matching 28.900 MHz frequency and 1.8V LVCMOS output. Verify pinout compatibility and thermal characteristics when cross-referencing with alternative manufacturers' similar SMD oscillator packages.