18QHTF21-3.1933-PD

Oscillators Overview

The 18QHTF21-3.1933-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 3.1933 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a standby mode with power-down capability at a supply voltage of 1.8V. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby functionality with power-down control
• Operates on a single 1.8V supply voltage
• Utilizes a small form-factor 4-SMD no-lead package

Oscillators Applications

• Low-power embedded systems requiring precise timing
• Portable consumer electronics devices
• Industrial control modules with space constraints
• Communication equipment utilizing LVCMOS interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail can maintain stable operation under all load conditions. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to prevent assembly errors.

Oscillators Selection Notes

Select this component when a 3.1933 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage and standby power-down feature for energy efficiency. Evaluate the 4-SMD package size against available board space. Compare performance metrics such as phase noise and stability if higher precision is needed.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'PD' suffix typically indicates specific packaging or testing configurations within the manufacturer's lineup.

Oscillators Replacement Considerations

Direct replacements must match the 3.1933 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no-lead package. Verify pinout compatibility and electrical characteristics with alternative manufacturers before substitution.