18QHTF21-4.433-OE

Oscillators Overview

The 18QHTF21-4.433-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.433 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a 1.8V supply voltage. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated enable and disable control functionality
• Low voltage operation at 1.8V supply
• Compact surface-mount package design

Oscillators Applications

• General purpose timing reference circuits
• Embedded system clock generation
• Consumer electronics timing modules
• Industrial control board synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout design to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a precise 4.433 MHz clock signal is required for LVCMOS-compatible digital circuits. Consider the 1.8V operating voltage constraint relative to other available logic families. Evaluate the enable/disable feature necessity for power-sensitive designs requiring active clock gating capabilities during idle states.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products including quartz crystals and oscillators. The company has decades of experience in producing timing components for various electronic industries. This model belongs to their standard XO series, focusing on reliable performance in consumer and industrial applications.

Oscillators Replacement Considerations

Cross-reference compatible parts from Mercury Electronics or other suppliers offering identical 4.433 MHz LVCMOS oscillators in 4-SMD packages. Verify matching electrical specifications including supply voltage, output swing, and control pin functionality to ensure seamless integration without circuit redesign.