18QHTF21-2.7648-PD

Oscillators Overview

The 18QHTF21-2.7648-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 2.7648 MHz with an LVCMOS output signal. The device requires a 1.8V supply voltage and features a power-down function for standby control. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount applications.

Oscillators Feature Summary

• Supports LVCMOS output logic levels
• Includes power-down capability for energy management
• Designed for low-voltage 1.8V operation

Oscillators Applications

• Battery-powered portable devices
• LVCMOS system timing references
• General electronic equipment requiring precise clock signals

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the power-down feature and 'OE' variants may differ. Confirm the 1.8V supply requirement matches the target circuit design. Ensure the 4-SMD no-lead package footprint aligns with the PCB layout specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V oscillator is required. The power-down feature is essential for systems needing standby modes. Verify that the LVCMOS output compatibility meets the receiving logic interface requirements of the application design.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products including quartz crystals and oscillators. The 18QHTF21 series represents their standard XO line designed for compact surface-mount integration in modern electronic assemblies.

Oscillators Replacement Considerations

Cross-reference part numbers such as 18QHTF21-2.7648-OE for potential functional equivalents. Verify that alternative suppliers offer identical LVCMOS outputs and 1.8V supply requirements to ensure direct interchangeability without circuit modification.