18QHTF21-123.123456-OE

Overview

The 18QHTF21-123.123456-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 123.123456 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is engineered for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control capability
• Utilizes a compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 2.0x1.6mm 4-SMD no-lead package specifications to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a stable 123.123456 MHz clock source is required for low-voltage digital systems. The LVCMOS output is suitable for direct interfacing with standard logic families. Consider the small form factor for space-constrained designs. Verify that the operating temperature range meets the environmental conditions of the intended application site.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a consistent 4-SMD package. Mercury Electronics is a specialized manufacturer of frequency control products, providing quartz-based timing solutions for industrial and consumer electronics markets globally.

Replacement Considerations

Direct substitutes must match the 123.123456 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Check datasheets for equivalent parts from other manufacturers ensuring identical pinout and electrical characteristics to maintain circuit compatibility without redesign.