18QHTF21-86.975-OE

Overview

The 18QHTF21-86.975-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 86.975 MHz and utilizes LVCMOS output logic. The device is designed for 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.

Feature Summary

• LVCMOS output logic interface
• Enable/Disable control functionality
• Compact 4-SMD No Lead package

Applications

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

Procurement Notes

Verify the specific ordering suffix to confirm the enable/disable feature and voltage level. Ensure the package type matches the PCB footprint requirements. Confirm the operating temperature range aligns with the application environment before procurement.

Selection Notes

Select this component when a precise 86.975 MHz clock source is required with low power consumption. The 1.8V supply voltage makes it suitable for modern low-voltage digital systems. The enable pin allows for power management strategies in battery-operated devices.

Part Context

This part belongs to the Mercury Electronics XO series, which offers various frequencies and packages. The 18QHTF21 series typically provides standard performance levels for general electronic applications. It is distinct from differential oscillators or higher-performance automotive-grade variants.

Replacement Considerations

Direct substitutes must match the 86.975 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pin compatibility and electrical specifications before substitution.