18QHTF21-19.144-PD

Oscillators Overview

The 18QHTF21-19.144-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 19.144 MHz and utilizes LVCMOS output logic levels. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. It supports a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption during inactive periods.

Oscillators Feature Summary

• Integrates LVCMOS output interface for direct digital logic compatibility
• Features a low-profile 4-SMD no-lead package suitable for space-constrained designs
• Includes standby capability to reduce power consumption when not in use

Oscillators Applications

• Embedded systems requiring precise clock synchronization
• Consumer electronics utilizing low-voltage logic interfaces
• Industrial control modules needing stable frequency references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific packaging quantities if bulk procurement is intended.

Oscillators Selection Notes

Select this component when a small form factor and low voltage operation are critical. The LVCMOS output simplifies interfacing with microcontrollers and FPGAs. Consider the operating temperature range and stability requirements to ensure reliable performance in the target environment compared to other oscillator types.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic, which specializes in quartz crystal oscillators. The manufacturer has decades of experience in frequency control products. This series typically offers various frequencies and package sizes to meet diverse electronic design needs.

Oscillators Replacement Considerations

Direct substitutes may include other 19.144 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical specifications such as current draw and startup time. Cross-reference with similar models from Mercury or other manufacturers offering equivalent form factors.