18QHTF21-27.13438-OE

Oscillators Overview

The 18QHTF21-27.13438-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 27.13438 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 suitable for surface mount applications.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates enable and disable functionality for power management
• Designed for surface mount installation via 4-SMD no lead package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific suffix against official documentation to confirm electrical characteristics and pinout configuration. Ensure the selected variant matches the required operating temperature range and load capacitance specifications for the target application environment before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a precise 27.13438 MHz clock source is required with low voltage operation. Consider the 1.8V supply requirement and LVCMOS compatibility with downstream logic families. Evaluate the physical dimensions of the 4-SMD package against available PCB real estate constraints during the design phase.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, which specializes in quartz crystal frequency control products. The manufacturer has established expertise in Taiwan's quartz industry since 1973, producing various standard oscillators for electronic applications requiring stable frequency references.

Oscillators Replacement Considerations

Cross-reference part numbers such as 18QHTF21-27.13438-PD for potential alternative packaging or variants within the same product line. Verify that any substitute maintains identical frequency, voltage, and package specifications to ensure functional equivalence.