18QHTF21-3.93216-OE

Oscillators Overview

The 18QHTF21-3.93216-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 3.93216 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Generates stable clock signals using a quartz base resonator
• Supports low-voltage operation with integrated power-down capability
• Provides standard LVCMOS output compatibility

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring precise frequency references
• Communication equipment needing stable oscillators

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail is stable to maintain frequency accuracy. Confirm that the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Check for any specific reflow soldering profile recommendations provided in the official datasheet to ensure reliable assembly.

Oscillators Selection Notes

Select this component when a fixed frequency of 3.93216 MHz is required with low power consumption. The LVCMOS output is suitable for digital interfaces operating at 1.8V logic levels. Consider the standby feature if power management during idle periods is critical. Compare size constraints against other packages in the 18QHTF series to optimize board space usage.

Oscillators Part Context

This part belongs to the 18QHTF series of crystal oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies with consistent packaging and electrical characteristics. Mercury Electronics specializes in frequency control products, including crystals and oscillators, providing standardized solutions for timing applications across multiple industries.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF series parts with identical pinout and voltage specifications but different frequencies, such as 18QHTF21-3.996-OE. Cross-brand replacements must match the 4-SMD no-lead package, 1.8V supply, and LVCMOS output type. Verify frequency stability and pull range requirements when considering alternative manufacturers.