18QHTF21-124.990625-OE

Oscillators Overview

The 18QHTF21-124.990625-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 124.990625 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features enable/disable functionality for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm. This component is designed for high-reliability timing applications requiring precise clock signals.

Oscillators Feature Summary

• Provides stable LVCMOS clock signals at 124.990625 MHz
• Supports low-voltage operation at 1.8V
• Includes enable/disable control for power efficiency
• Utilizes a compact surface-mount package

Oscillators Applications

• High-speed digital signal processing systems
• Communication equipment requiring precise timing
• Network infrastructure components
• Embedded systems needing reliable clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against your system requirements before procurement. Ensure the 1.8V supply voltage aligns with your design constraints. Confirm the enable/disable pin configuration matches your control logic. Check for RoHS compliance if required by your manufacturing standards. Always refer to the official datasheet for final electrical specifications.

Oscillators Selection Notes

Select this oscillator when a precise 124.990625 MHz clock is required in space-constrained designs. The 1.8V supply makes it suitable for modern low-power digital circuits. The enable feature allows for dynamic power management. Consider the small 2.0x1.6mm footprint for dense PCB layouts. Ensure compatibility with LVCMOS input thresholds of downstream components.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The series offers various frequencies and supply voltages. Mercury has been a pioneer in the Taiwan crystal industry since 1973. This specific model represents their standard XO line with integrated enable functionality.

Oscillators Replacement Considerations

Direct substitutes must match the 124.990625 MHz frequency, 1.8V supply, and LVCMOS output. Verify package dimensions (2.0x1.6mm) and pinout compatibility. Check if the replacement supports enable/disable control. Ensure similar frequency stability and phase noise characteristics are maintained for system performance.