18QHTF21-27.648-OE

Oscillators Overview

The 18QHTF21-27.648-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 27.648 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, requiring a 1.8V supply voltage. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V supply voltage operation
• Enable/Disable control functionality
• Compact 4-SMD No Lead package

Oscillators Applications

• Low-voltage digital systems
• Portable electronic devices
• Embedded timing circuits

Oscillators Procurement Notes

Verify the specific suffix (OE) against official Mercury Electronics documentation to confirm exact electrical tolerances and pinout configuration. Ensure the required operating temperature range matches the datasheet specifications for the intended application environment. Cross-reference the part number with authorized distributors to confirm authenticity and availability.

Oscillators Selection Notes

Select this component when a 27.648 MHz clock source is required for 1.8V logic interfaces. Consider the small 2.0x1.6 mm footprint for space-constrained designs. Evaluate the need for enable/disable control for power management strategies. Confirm compatibility with LVCMOS input requirements of downstream components.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and package options. Mercury Electronics has a long history in Taiwan manufacturing quartz crystals and oscillators, providing timing solutions for global electronics markets.

Oscillators Replacement Considerations

Check for direct substitutes such as the 18QHTF21-27.648-PD variant, which shares similar specifications but may differ in packaging or suffix codes. Verify pin compatibility and electrical parameters before substitution.