18QHTF21-39.216-PD

Oscillators Overview

The 18QHTF21-39.216-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 39.216 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby (power down) function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• Battery-powered portable devices
• Compact electronic systems requiring low power
• Digital signal processing circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's specifications. Confirm that the 4-SMD no-lead package footprint aligns with your PCB layout constraints. Check for any specific handling instructions related to the surface-mount technology used in this component.

Oscillators Selection Notes

Select this component when a precise 39.216 MHz clock signal is required in space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power digital logic families. Consider the standby feature if power efficiency during idle states is a critical system requirement. Ensure compatibility with LVCMOS input thresholds of the receiving components.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series includes various frequencies and packages, catering to diverse timing needs. Mercury Electronics has been a pioneer in the Taiwan crystal industry since 1973, offering a range of oscillators and filters.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with different frequencies but identical pinouts and electrical characteristics, such as the 18QHTF21-51.200-PD or 18QHTF21-68.665-PD, provided the frequency difference is acceptable for the application.