18QHTF21-90.088-PD

Overview

The 18QHTF21-90.088-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 90.088 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature for energy management. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby and power-down functionality
• Provides LVCMOS output signal compatibility

Applications

• Digital communication systems requiring clock synchronization
• Embedded processing units needing stable timing references
• Portable electronic devices utilizing low-power oscillators

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 2.0x1.6mm footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Selection Notes

Select this component when a 90.088 MHz frequency is strictly required for system timing. The 1.8V supply voltage makes it suitable for modern low-power digital circuits. The LVCMOS interface ensures compatibility with standard logic families. Consider the small 4-SMD package size if space constraints are critical in the design.

Part Context

This part belongs to the Mercury Electronics XO series, designed for general-purpose timing applications. The model number indicates a 1.8V supply variant with a power-down pin. Similar parts in the series may offer different frequencies or voltage levels, but this specific model is optimized for 90.088 MHz performance.

Replacement Considerations

Direct substitutes must match the 90.088 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify electrical parameters such as phase noise and stability specifications. Ensure the replacement supports the same standby function and operating temperature range.