18QHTF21-75.450-OE

Overview

The 18QHTF21-75.450-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 75.45 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications. The component supports an operating temperature range typical for commercial grade devices, with maximum supply current specified at 26 mA.

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 signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific suffix OE against the manufacturer's official documentation to confirm exact electrical tolerances and lead finish specifications. Ensure the 1.8V supply requirement aligns with the target system design. Confirm the 4-SMD package dimensions match the PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage 1.8V clock source is required for space-constrained designs. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Verify that the 75.45 MHz frequency meets the system timing requirements and that the LVCMOS output levels are compatible with the receiving logic inputs.

Part Context

This part belongs to the Mercury Electronics standard XO series, designed for general-purpose clocking needs. The 18QHTF21 series typically offers reliable performance for consumer and industrial electronics. Mercury Electronics has established itself as a pioneer in the quartz industry, providing various frequency control products including crystals and oscillators.

Replacement Considerations

Check for direct substitutes within the same Mercury Electronics series with matching frequency and package. Cross-reference with other manufacturers offering 4-SMD LVCMOS oscillators at 1.8V. Ensure any replacement maintains the same enable/disable functionality and physical footprint constraints.

FAQ

What is the output logic type?

The 18QHTF21-75.450-OE uses LVCMOS output logic.

Does the device support power control?

Yes, it includes an enable/disable function for managing power consumption.