18QHTF21-114.866667-OE

Overview

The 18QHTF21-114.866667-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 114.866667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable pin for power control
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock generation in embedded systems
• Timing reference for high-speed data interfaces
• Consumer electronics requiring low-power oscillators

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's power rails. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to prevent assembly issues. Cross-reference the OE suffix with manufacturer documentation to confirm availability and lead times.

Selection Notes

Select this oscillator when a 114.866667 MHz clock signal is required with LVCMOS compatibility. The 1.8V operating voltage makes it suitable for modern low-voltage digital circuits. The small 2.0x1.6 mm package is ideal for dense PCB layouts. Consider the enable/disable functionality if power conservation during idle states is a priority for the application.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics Ind. Co. Ltd, which specializes in quartz-based frequency control products. The series typically offers standard XO configurations with various frequencies and package sizes. Mercury Electronics has a long history in Taiwan's crystal industry, providing reliable timing solutions for global markets.

Replacement Considerations

Direct substitutes may include other 114.866667 MHz LVCMOS oscillators in a 4-SMD 2.0x1.6mm package from manufacturers like Epson or NDK. Verify electrical parameters such as phase noise and jitter specifications to ensure functional equivalence. Check for compatible supply voltages and enable logic levels before substitution.