18QHTF21-7.1591-OE

Overview

The 18QHTF21-7.1591-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 7.1591 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features an Enable/Disable control pin for power management flexibility. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output interface for digital circuit compatibility
• Integrated enable/disable functionality for power control
• Compact surface-mount package design

Applications

• General purpose clock signal generation
• Embedded system timing references
• Digital communication interfaces

Procurement Notes

Verify the specific suffix OE indicates the Enable/Disable feature against official datasheets. Confirm the 1.8V supply requirement matches target circuit designs. Ensure the 4-SMD no-lead package footprint aligns with PCB layout specifications before ordering.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside active power management capabilities. The standard LVCMOS output suits general digital logic families. Consider the physical dimensions of the 4-SMD package for space-constrained board layouts.

Part Context

Mercury Electronic Ind. Co., Ltd. is a quartz crystal manufacturer established in Taiwan with decades of experience in frequency control products. This oscillator belongs to their series of surface-mount timing devices designed for consumer and industrial electronics applications.

Replacement Considerations

The model 18QHTF21-7.1591-PD serves as a functional alternative within the same series, offering standby power down capability instead of simple enable/disable control. Verify pinout and electrical characteristics match before substitution.