18QHTF21-3.2768-PD

Oscillators Overview

The 18QHTF21-3.2768-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 3.2768 MHz and utilizes LVCMOS output logic levels. The component is designed for a supply voltage of 1.8V and features a standby or power-down mode capability to reduce energy consumption during idle periods. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V for efficient power management
• Includes standby functionality to minimize current draw when inactive
• Utilizes LVCMOS output interface for digital signal compatibility

Oscillators Applications

• Battery-powered portable electronic devices
• Compact consumer electronics requiring small form factors
• Digital systems utilizing LVCMOS logic interfaces

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply rail is stable within the specified tolerance. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions exactly to prevent soldering defects. Cross-reference the datasheet for any updates regarding pin configuration or electrical characteristics.

Oscillators Selection Notes

Select this component when a precise 3.2768 MHz clock source is required for low-power applications. The 1.8V supply requirement makes it suitable for modern low-voltage digital circuits. Consider the 2.0x1.6mm package size if board space is limited. Verify that the LVCMOS output swing is compatible with the input thresholds of the connected microcontroller or logic gate.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package. These components are generally used as primary clock sources in timing-sensitive digital circuits where size and power efficiency are critical constraints.

Oscillators Replacement Considerations

Direct replacements must match the 3.2768 MHz frequency, 1.8V supply voltage, LVCMOS output, and 4-SMD No Lead package. Check for equivalent parts from other manufacturers offering identical electrical specifications and mechanical dimensions to ensure drop-in compatibility.