18QHTF21-19.456-PD

Oscillators Overview

The 18QHTF21-19.456-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.456 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an enable/disable feature for power management. It is housed in a compact 4-SMD, no lead package.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable functionality
• Compact SMD package

Oscillators Applications

• General clock signal generation
• Embedded system timing
• Consumer electronics

Oscillators Procurement Notes

Verify the specific suffix 'PD' against official Mercury documentation to confirm exact pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with target circuit design. Confirm package dimensions match PCB footprint requirements before ordering.

Oscillators Selection Notes

Select this component when a low-voltage 19.456 MHz clock source is required. Consider the LVCMOS compatibility with downstream digital logic. Evaluate the enable feature if power conservation during idle states is necessary for the application.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. has been manufacturing quartz crystals and oscillators since 1973. This part belongs to their XO (Crystal Oscillator) line, which includes various frequencies and packages. The company is a pioneer in the Taiwan quartz industry.

Oscillators Replacement Considerations

Check for direct substitutes within the 18QHTF21 series from Mercury, such as different frequency variants like 18QHTF21-19.456-OE, ensuring identical package and voltage specifications.