18QHTF21-78.590-OE

Overview

The 18QHTF21-78.590-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 78.59 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 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a compact surface-mount package design

Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Procurement Notes

Verify the specific suffix against manufacturer documentation to confirm exact electrical characteristics and pinout configuration. Ensure the component meets required operating temperature ranges and load conditions for the target application before integration.

Selection Notes

Select this model when a 78.59 MHz clock source with LVCMOS outputs is required. Consider the 1.8V supply requirement and the physical footprint constraints of the 2.0x1.6 mm package during PCB layout planning.

Part Context

This component belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package format, designed for space-constrained electronic applications requiring stable frequency references.

Replacement Considerations

Check for direct substitutes such as the 18QHTF21-78.590-PD variant, which shares similar specifications but may differ in packaging or suffix designation. Verify compatibility with existing board designs before substitution.