18QHTF21-13.5678-OE

Overview

The 18QHTF21-13.5678-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 13.5678 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, functioning at a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output interface
• 1.8V operating voltage
• Enable/Disable control capability

Applications

• General-purpose timing circuits
• Digital logic clock sources
• Embedded system synchronization

Procurement Notes

Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm availability and exact electrical tolerances. Ensure the 4-SMD no-lead footprint matches the target PCB design. Cross-reference the 13.5678 MHz frequency requirement with system specifications before procurement.

Selection Notes

Select this component when a precise 13.5678 MHz clock source is required for LVCMOS-compatible digital circuits. The 1.8V supply voltage makes it suitable for modern low-power systems. Consider the enable/disable feature if power management during idle states is necessary for the application design.

Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The company has decades of experience in the industry, producing components for various electronic applications requiring stable timing signals.

Replacement Considerations

Check for direct substitutes from Mercury Electronics such as the 18QHTF21-13.1313-OE or 18QHTF21-13.513-OE if different frequencies are acceptable. Verify pinout and voltage compatibility with alternative vendors before substitution.