18QHTF21-84.644-OE

Overview

The 18QHTF21-84.644-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 84.644 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a small form factor surface mount package

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded electronics applications

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm electrical characteristics and pinout configuration. Ensure that the selected component matches the required operating temperature range and supply voltage specifications for the target application environment before procurement.

Selection Notes

Select this component when a precise 84.644 MHz clock source is required within space-constrained designs. Consider the 1.8V supply requirement and LVCMOS output levels during circuit design. Evaluate the thermal performance and mechanical stability provided by the no-lead SMD package for reliable long-term operation.

Part Context

This model belongs to the 18QHTF21 series of crystal oscillators produced by Mercury Electronic Ind. Co., Ltd. The series is characterized by low voltage operation and compact packaging solutions suitable for modern portable and high-density electronic devices requiring stable frequency references.

Replacement Considerations

The 18QHTF21-84.644-PD is listed as an equivalent or alternate part number for this component. Verify compatibility through official datasheets before substitution.