18QHTF21-23.98611-PD

Oscillators Overview

The 18QHTF21-23.98611-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 23.98611 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a Standby function for power down control. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby mode capability for power management
• Utilizes a leadless SMD package for surface mounting

Oscillators Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics requiring low voltage operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Confirm that the 1.8V supply rail stability meets the component specifications to ensure reliable oscillation. Ensure the PCB layout supports the 4-SMD No Lead package dimensions for proper soldering and thermal performance.

Oscillators Selection Notes

Select this component when a precise 23.98611 MHz reference is required with low voltage operation. The LVCMOS output is suitable for direct interfacing with standard digital logic families. The Standby feature allows for energy savings in battery-powered or power-sensitive designs compared to continuously running oscillators.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 1.8V LVCMOS form factor. The series provides consistent packaging and electrical characteristics across different frequency options, simplifying inventory management for multi-frequency designs.

Oscillators Replacement Considerations

Direct replacements must match the 23.98611 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering identical specifications in the same footprint.