18QHTF21-33.45621-OE

Oscillators Overview

The 18QHTF21-33.45621-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 33.45621 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable functionality for power management
• Operates with a single 1.8V power supply rail

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Digital communication interfaces requiring precise frequency stability

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct frequency and package configuration. Confirm that the LVCMOS output type matches the target circuit requirements. Check the enable/disable pinout details in the datasheet to validate control logic integration. Ensure the operating temperature range aligns with the intended application environment before finalizing procurement.

Oscillators Selection Notes

Select this component when a stable 33.45621 MHz clock source is required for low-power designs. The 1.8V supply requirement makes it suitable for modern portable electronics and battery-operated devices. Consider the 4-SMD no-lead package for space-constrained layouts. Evaluate the need for active control via the enable pin versus continuous operation based on system power strategies.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The manufacturer has decades of experience in frequency control products. This series typically offers standard XO configurations with various frequency options. The brand is recognized as a pioneer in Taiwan's quartz crystal industry, providing reliable timing solutions for global electronic markets.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical frequencies or compatible LVCMOS outputs. Verify pin-to-pin compatibility and electrical specifications before substitution. Consult the manufacturer's cross-reference list for approved alternatives. Ensure any replacement maintains the same package dimensions and thermal characteristics.