18QHTF21-40.830-OE

Oscillators Overview

The 18QHTF21-40.830-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 40.83 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. A key functional attribute is the inclusion of an Enable/Disable control pin, allowing for power management flexibility in circuit designs. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features an integrated Enable/Disable control function
• Operates on a 1.8V supply voltage
• Utilizes a 4-SMD No Lead surface-mount package

Oscillators Applications

• Embedded systems requiring precise clock timing
• Digital signal processing circuits
• Communication equipment interfaces
• Microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply rail is stable within the datasheet limits. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official mechanical drawings to prevent assembly issues.

Oscillators Selection Notes

Select this component when a 40.83 MHz clock source with LVCMOS outputs is required. The 1.8V operating voltage makes it suitable for modern low-power digital logic families. The Enable/Disable feature allows for dynamic power control, which is beneficial for battery-operated or energy-efficient designs. Verify thermal performance under continuous operation.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency generation solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. This specific model represents a standard commercial-grade oscillator designed for general-purpose timing applications in consumer and industrial electronics.

Oscillators Replacement Considerations

Direct replacements must match the 40.83 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Cross-reference with other manufacturers' equivalent parts ensuring identical pinout and electrical characteristics to maintain board compatibility.