18QHTF21-18.800-OE

Oscillators Overview

The 18QHTF21-18.800-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 18.8 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage and includes an enable/disable control function for power management. It is housed in a compact 4-SMD surface-mount package, designed for integration into electronic circuits requiring precise clock signals.

Oscillators Feature Summary

• Generates a stable 18.8 MHz clock signal using standard XO technology
• Features LVCMOS output interface compatible with digital logic systems
• Supports active low or high enable/disable control for power optimization
• Utilizes a small form factor 4-SMD surface mount package

Oscillators Applications

• Digital system clock generation
• Data communication interfaces
• Microcontroller timing sources
• Embedded system synchronization

Oscillators Procurement Notes

Verify the exact electrical specifications, including frequency stability and operating temperature range, directly from the manufacturer's official datasheet. Confirm that the 1.8V supply requirement and LVCMOS output characteristics align with your circuit design. Ensure the 4-SMD package dimensions match your PCB footprint constraints before finalizing procurement.

Oscillators Selection Notes

Select this component when a precise 18.8 MHz reference is required for digital logic applications. Consider the 1.8V supply voltage constraint and ensure compatibility with LVCMOS input thresholds of downstream components. The enable/disable feature offers flexibility for power-sensitive designs. Verify thermal performance within the specified operating range for your specific environment.

Oscillators Part Context

Mercury Electronics Ind. Co., Ltd. is a pioneer in quartz crystal manufacturing with decades of experience in frequency control products. The 18QHTF series represents their surface-mount oscillator offerings, expanding from traditional leaded types to modern SMD formats. This model fits within their portfolio of standard oscillators designed for reliable frequency generation in consumer and industrial electronics.

Oscillators Replacement Considerations

Cross-reference pinouts and electrical parameters with potential substitutes. Ensure replacement parts support the same 18.8 MHz frequency, 1.8V supply, and LVCMOS output. Verify package compatibility for the 4-SMD form factor. Check if alternative models offer similar enable/disable functionality and meet the required frequency stability specifications.