18QHTF21-26.99999-OE

Oscillators Overview

The 18QHTF21-26.99999-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 26.99999 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 2.00mm x 1.60mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates enable/disable functionality for power management
• Utilizes a surface-mount 4-SMD no-lead package design

Oscillators Applications

• Timing and clock signal generation in electronic devices
• General-purpose timing applications requiring standard XO performance

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power architecture. Ensure the 4-SMD no-lead footprint matches the PCB layout requirements to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 26.99999 MHz clock source is required within a minimal footprint constraint. The LVCMOS output ensures direct interfacing with standard digital logic families without additional level shifting. The integrated enable pin allows for dynamic power control, making it suitable for battery-operated or power-sensitive designs.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various standard frequencies in a consistent 2.0mm x 1.6mm package. Mercury Electronics has been a pioneer in the crystal industry since 1973, providing reliable timing solutions.

Oscillators Replacement Considerations

Compatible substitutes include other 18QHTF21 series variants with identical footprints but different frequencies, such as 18QHTF21-21.200-OE or 18QHTF21-33.200-OE, provided the frequency requirement changes. Direct frequency-matched replacements from other manufacturers require verification of pinout and electrical specifications.