18QHTF21-45.4545-OE

Oscillators Overview

The 18QHTF21-45.4545-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 45.4545 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and includes enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control functionality
• Compact surface-mount package design

Oscillators Applications

• General clock signal generation in electronic circuits
• Digital system timing references
• Embedded controller clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm exact electrical tolerances and pinout configurations. Ensure the selected variant matches the required supply voltage and output logic levels for the target application circuit design.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise frequency stability. Consider the small footprint for space-constrained designs. Confirm that the LVCMOS output swing is compatible with the receiving input thresholds of the connected logic devices.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6mm package format, providing a consistent mechanical solution for different timing requirements across product lines.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching frequencies or compatible logic families. Verify pin compatibility and voltage levels before swapping with generic XO components.