18QHTF21-21.600-OE

Oscillators Overview

The 18QHTF21-21.600-OE is a standard LVCMOS crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 21.6 MHz and requires a 1.8V supply voltage. The device features enable/disable functionality and is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable control capability
• Designed for surface-mount assembly in space-constrained applications

Oscillators Applications

• Embedded systems requiring precise clock timing
• Portable electronic devices utilizing low-voltage power supplies
• Communication modules needing stable frequency references

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure correct packaging and tape-and-reel specifications. Confirm that the 1.8V supply requirement aligns with the target system's power rails. Ensure the 2.0x1.6 mm footprint matches the PCB layout design constraints before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-profile 2.0x1.6 mm form factor is required alongside a 1.8V operating voltage. The integrated enable pin allows for power management strategies in battery-operated designs. Verify that the LVCMOS output swing meets the input threshold requirements of the connected load circuitry.

Oscillators Part Context

This model belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and supply voltages within a standardized small outline package. This specific variant provides a 21.6 MHz output suitable for general-purpose clocking needs.

Oscillators Replacement Considerations

Direct substitutes include other 21.6 MHz LVCMOS oscillators in 2.0x1.6 mm packages with 1.8V operation. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before swapping components.