18QHTF21-49.4267-OE

Overview

The 18QHTF21-49.4267-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 49.4267 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package designed for surface-mount applications.

Feature Summary

• LVCMOS output logic compatibility
• Integrated enable/disable control functionality
• Surface-mount SMD package design

Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment clock sources

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the LVCMOS output swing is compatible with downstream logic inputs to guarantee reliable signal integrity during operation.

Selection Notes

Select this component when a precise 49.4267 MHz reference is required with low-voltage operation. Consider the 4-SMD form factor for space-constrained PCB layouts. Evaluate the enable pin utility for power-sensitive designs requiring dynamic clock gating capabilities during idle states.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides stable frequency generation solutions. The manufacturer specializes in quartz-based timing components, including crystals, filters, and oscillators, serving various industrial and consumer electronics markets with reliable frequency control products.

Replacement Considerations

Cross-reference other models within the 18QHTF21 series from Mercury Electronics for alternative frequencies. Verify pinout compatibility and electrical specifications before substituting with generic LVCMOS oscillators from other manufacturers.