18QHTF21-20.15411-PD

Oscillators Overview

The 18QHTF21-20.15411-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 20.15411 MHz and utilizes an LVCMOS output signal format. The device supports a supply voltage of 1.8V and 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

• Standard XO configuration with LVCMOS output interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose digital circuit timing
• Embedded systems clock generation
• Consumer electronics timing references

Oscillators Procurement Notes

Verify the specific ordering suffix and frequency tolerance against project requirements before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD package dimensions fit the available PCB footprint. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility and electrical specifications.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The 4-SMD package offers space efficiency for dense layouts. Consider the standby feature if power conservation during idle states is a priority. Validate that the 20.15411 MHz frequency meets the specific clocking needs of the application.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a quartz crystal manufacturer established in 1973, recognized as a pioneer in Taiwan's crystal industry. The company produces frequency control products including crystals and oscillators. This part belongs to their standard XO lineup, designed for reliable timing in various electronic devices.

Oscillators Replacement Considerations

Direct substitutes must match the 20.15411 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent electrical characteristics and pin assignments. Consult official cross-reference lists from Mercury Electronics for approved alternatives.