18QHTF21-27.700-OE

Oscillators Overview

The 18QHTF21-27.700-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.7 MHz with 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 with dimensions of 2.0mm x 1.6mm. The component is designed for surface mount applications and offers high reliability for timing requirements.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package
• Standard crystal oscillator performance characteristics

Oscillators Applications

• General purpose timing clock generation
• Embedded system microcontroller clocks
• Consumer electronics timing circuits
• Industrial control signal synchronization

Oscillators Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical tolerances and temperature ranges. Ensure the 1.8V supply requirement matches the target circuit design. Confirm the 4-SMD no-lead package footprint aligns with PCB layout specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this model when a low-profile 2.0x1.6mm oscillator is required for 27.7 MHz applications. The LVCMOS output suits standard digital logic families. Consider the 1.8V operating voltage constraint and ensure power budget accommodates the typical current consumption. Verify thermal stability needs against the specified operating range.

Oscillators Part Context

This component belongs to the Mercury Electronics 18QHTF series of surface mount crystal oscillators. The series provides various frequencies within a standardized small outline package format. The 18QHTF21 variant specifically denotes the 2.0x1.6mm form factor with integrated enable control capabilities for power management optimization.

Oscillators Replacement Considerations

Direct substitutes include other 27.7MHz LVCMOS oscillators in 4-SMD 2.0x1.6mm packages from manufacturers like Epson or SiTime. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength before substitution.