18QHTF21-39.8459-OE

Oscillators Overview

The 18QHTF21-39.8459-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 39.8459 MHz and utilizes 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 designed for surface mount applications. The component is rated for an operating temperature range of -40°C to 85°C, ensuring reliability in various electronic environments.

Oscillators Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated enable and disable control functionality
• Surface mount construction with no lead design

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 39.8459 MHz clock source is required for low-voltage digital circuits. The LVCMOS output is suitable for direct interfacing with standard logic families. Consider the -40°C to 85°C temperature range for industrial or commercial applications where environmental stability is necessary without requiring specialized automotive-grade certification.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small-form-factor quartz-based timing solutions. The series typically offers standard frequency options with integrated enable controls. Mercury Electronics leverages decades of experience in quartz crystal manufacturing to provide reliable frequency control products for global electronic markets.

Oscillators FAQ

What is the output logic type for this oscillator?

The 18QHTF21-39.8459-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power control?

Yes, the device includes an enable and disable pin to control the oscillator's operation state.