18QHTF21-14.400-PD

Oscillators Overview

The 18QHTF21-14.400-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 14.4 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function via standby mode control. 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 power-down capability for energy management
• Utilizes LVCMOS output interface

Oscillators Applications

• General purpose digital timing circuits
• Embedded systems requiring precise clock signals
• Portable electronic devices due to low voltage requirements

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the power-down feature and LVCMOS output type. Ensure the operating temperature range meets system requirements. Confirm the 2.0x1.6mm footprint matches the PCB layout. Check for RoHS compliance if required by project specifications.

Oscillators Selection Notes

Select this component when a 14.4 MHz clock signal is required with minimal power consumption. The 1.8V supply makes it suitable for modern low-voltage logic families. Consider the small form factor for space-constrained designs. Verify compatibility with the host controller's input voltage levels.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies and voltages. The 14.400 variant specifically targets applications needing this exact frequency point within a compact SMD package.

Oscillators Replacement Considerations

Direct substitutes include other 14.4 MHz LVCMOS oscillators in 2.0x1.6mm packages. Verify pinout compatibility and voltage tolerance. Alternative brands may offer similar specs but require electrical parameter validation.