18QHTF21-107.900-OE

Overview

The 18QHTF21-107.900-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 107.9 MHz with an LVCMOS output logic level. The device requires 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. The component supports an operating temperature range of -40°C to 85°C and offers a frequency stability of ±50ppm.

Feature Summary

• LVCMOS output interface compatible with standard digital logic
• Integrated enable/disable pin for active power control
• Surface-mount construction suitable for automated assembly

Applications

• High-speed data communication interfaces
• Digital signal processing systems
• Network equipment clock generation

Procurement Notes

Verify the specific suffix 'OE' against the manufacturer's current documentation to confirm availability and exact specifications. Ensure the required frequency tolerance and load capacitance match the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a precise 107.9 MHz reference is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the need for software-controllable shutdown capabilities via the enable pin during system design.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically includes various frequencies within the same physical footprint, allowing for standardized PCB layouts across different product variants requiring distinct clock speeds.

Replacement Considerations

Direct substitutes must match the 107.9 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify that any alternative component meets the ±50ppm stability requirement and -40°C to 85°C temperature range.