18QHTF21-16.6665-PD

Oscillators Overview

The 18QHTF21-16.6665-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 16.6665 MHz with an LVCMOS output interface. The device requires a 1.8V supply voltage and features a power-down (standby) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V for energy-efficient applications
• Includes standby mode capability via power-down control pin
• Utilizes LVCMOS output logic for direct digital interfacing

Oscillators Applications

• General-purpose clock generation in embedded systems
• Timing reference for microcontrollers and processors
• Data communication interfaces requiring precise frequency stability

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail is stable to maintain signal integrity. Confirm that the PCB footprint matches the 2.0x1.6 mm SMD package dimensions. Check for any specific handling instructions regarding electrostatic discharge during assembly.

Oscillators Selection Notes

Select this component when a 16.6665 MHz clock source is required with low power consumption constraints. The 1.8V operating voltage makes it suitable for modern low-voltage digital circuits. Consider the small form factor if board space is limited. Verify compatibility with LVCMOS logic levels used in the target system.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized 2.0x1.6 mm package. These oscillators are designed for cost-effective timing solutions in consumer electronics and industrial applications requiring reliable frequency generation.

Oscillators Replacement Considerations

Direct substitutes may include other 16.6665 MHz LVCMOS oscillators in 2.0x1.6 mm packages from different manufacturers. Ensure replacement parts match the 1.8V supply requirement and output voltage levels. Verify that alternative components support the same power-down functionality if standby modes are utilized in the design.