18QHTF21-46.796-OE

Oscillators Overview

The 18QHTF21-46.796-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 46.796 MHz and utilizes LVCMOS output logic levels. The device supports an active enable/disable control function via a 1.8V supply voltage, allowing for power management in embedded systems. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards. This component serves as a precise clock source for digital circuits requiring stable timing signals.

Oscillators Feature Summary

• Provides stable LVCMOS clock signal output
• Features low-power enable/disable control capability
• Designed for surface-mount integration

Oscillators Applications

• Embedded system clock generation
• Digital circuit timing reference
• Consumer electronics timing sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package dimensions match your PCB footprint to avoid assembly issues. Cross-reference the manufacturer datasheet for thermal and electrical limits.

Oscillators Selection Notes

Select this oscillator when a fixed 46.796 MHz frequency is required for LVCMOS-compatible logic families. Consider the 1.8V operating voltage to ensure compatibility with low-voltage microcontrollers or FPGAs. The enable/disable feature makes it suitable for battery-powered applications where power conservation during idle states is critical. Evaluate the physical size constraints to ensure the 4-SMD package fits within the available board space.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which specializes in quartz-based frequency control products. The company has decades of experience in manufacturing quartz crystals and oscillators. The 18QHTF21 series typically offers standard performance characteristics suitable for general-purpose timing applications. These components are widely used in industries requiring reliable clock sources for digital synchronization.

Oscillators Replacement Considerations

Direct substitutes must match the 46.796 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical parameters such as phase noise and jitter if specified in the original design. Consult the manufacturer's cross-reference list for approved replacements.