18QHTF21-49.0908-OE

Oscillators Overview

The 18QHTF21-49.0908-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 49.0908 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features an enable/disable control pin for power management. It is housed in a compact 4-SMD, no lead package, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output compatibility for digital interface integration
• Integrated enable/disable functionality for power optimization
• Compact 4-pin SMD footprint for space-constrained designs

Oscillators Applications

• High-performance digital signal processing systems
• Communication equipment requiring precise timing references
• Embedded systems utilizing LVCMOS-compatible microcontrollers

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application's clock input specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB layout supports the 4-SMD no-lead package dimensions to guarantee reliable soldering and thermal performance during assembly processes.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS signaling standards. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications where dynamic power management is necessary. Consider the 49.0908 MHz frequency specifically for applications requiring this exact harmonic or sub-harmonic relationship in signal processing chains.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series typically offers standard XO configurations with various frequency options. Mercury Electronics has been manufacturing these components since 1973, focusing on reliability in timing applications across industrial and consumer electronics sectors.

Oscillators Replacement Considerations

Direct substitutes include other 49.0908 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical characteristics such as current consumption and output swing levels. Cross-reference with Mercury's own variants like the 18QHTF21-49.0908-PD if available, ensuring identical form factor and functional parameters.