18QHTF21-20.140-PD

Oscillators Overview

The 18QHTF21-20.140-PD is a 20.14 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates with LVCMOS output logic levels and supports a supply voltage of 1.8V. The device includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V operating voltage
• Standby power-down capability

Oscillators Applications

• General clock signal generation
• Low voltage digital systems
• Surface-mount electronic assemblies

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 is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance.

Oscillators Selection Notes

Select this component when a 20.14 MHz clock source is required with low voltage compatibility. Ensure the application benefits from the standby feature for power efficiency. Verify that the 4-SMD package fits the available PCB footprint constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequencies with LVCMOS outputs and low voltage operation, designed for modern portable and compact electronic devices requiring stable timing references.

Oscillators Replacement Considerations

Check for direct substitutes such as other 20.14 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Ensure pinout compatibility and identical voltage specifications before swapping.