18QHTF21-44.236-PD

Oscillators Overview

The 18QHTF21-44.236-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 44.236 MHz and utilizes LVCMOS output logic. 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.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply
• Features LVCMOS output logic for digital interfacing
• Includes standby mode for power reduction

Oscillators Applications

• General-purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Ensure the 1.8V supply rail stability meets the oscillator's operational needs. Confirm that the 4-SMD no-lead package footprint aligns with your PCB layout constraints to ensure proper assembly and thermal performance.

Oscillators Selection Notes

Select this component when a precise 44.236 MHz clock source is required with low power consumption capabilities. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage if your system architecture prioritizes lower power dissipation over higher drive strength.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry. This series typically offers standard XO configurations with various frequency options and low-profile packaging solutions.

Oscillators Replacement Considerations

Direct substitutes must match the 44.236 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if available in official datasheets.