18QHTF21-13.5515-OE

Overview

The 18QHTF21-13.5515-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.5515 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function 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 timing circuits
• Embedded system clock generation
• Consumer electronics timing references

Procurement Notes

Verify the specific frequency suffix matches the required 13.5515 MHz specification. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check for any specific handling requirements associated with small outline packages during assembly.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The enable/disable feature makes it suitable for battery-powered or power-sensitive designs. The small 2.0x1.6 mm footprint allows for high-density board layouts. Consider thermal performance and operating temperature range if used in extreme environments.

Part Context

This part belongs to the Mercury Electronics XO series, which offers various frequencies and package types. The 18QHTF21 series specifically targets low-profile applications. Similar parts in the lineup include different frequency variants like 13.515 MHz or 98.5 MHz, maintaining the same electrical characteristics and package style for consistent design integration across product lines.

Replacement Considerations

Direct substitutes may include other 13.5515 MHz LVCMOS oscillators in 4-SMD no-lead packages from different manufacturers. Verify that replacement parts match the 1.8V supply voltage and enable/disable functionality. Ensure the pinout configuration is identical to avoid PCB redesign. Cross-reference specifications for jitter and stability if critical timing performance is required.