18QHTF21-71.680-OE

Overview

The 18QHTF21-71.680-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 71.68 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable functionality for power management
• Utilizes a surface-mount package design suitable for automated assembly

Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded systems with low-voltage logic requirements

Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the selected variant matches the required operating temperature range and load capacitance specifications for the target application circuit design.

Selection Notes

Select this component when a 71.68 MHz reference signal is required within a 1.8V logic environment. Consider the physical footprint constraints of the 2.0x1.6mm package during layout planning. Confirm that the LVCMOS output swing aligns with the input thresholds of the receiving clock node.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which provides various frequency options in a standardized small outline package. The series supports multiple voltage levels and output types to accommodate diverse electronic design requirements across consumer and industrial sectors.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinouts but different frequencies, such as 18QHTF21-8.300-OE or 18QHTF21-8.480-OE, provided the system clock requirement changes. Cross-brand replacements require matching frequency, voltage, and package dimensions.