18QHTF21-19.2156-PD

Oscillators Overview

The 18QHTF21-19.2156-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.2156 MHz and utilizes LVCMOS output levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead surface-mount package.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode capability
• Provides LVCMOS signal output

Oscillators Applications

• Embedded systems requiring precise timing
• Digital communication interfaces
• Microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply rail is stable within the operational limits defined by the manufacturer to ensure reliable oscillator performance.

Oscillators Selection Notes

Select this component when a low-profile surface-mount oscillator is required for 1.8V logic circuits. Ensure the application supports the LVCMOS interface standards and can accommodate the physical dimensions of the 4-SMD package without mechanical interference.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd., a manufacturer established in Taiwan specializing in quartz crystals and frequency control products since 1973. The series represents standard XO solutions designed for modern electronic assemblies.

Oscillators Replacement Considerations

Direct substitutes include other variants within the 18QHTF21 series such as 18QHTF21-8.000156-PD or 18QHTF21-48.7056-PD, provided the frequency difference is acceptable for the system design.