18QHTF21-74.00363-OE

Overview

The 18QHTF21-74.00363-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 74.00363 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. It is housed in a compact 4-SMD, no-lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports enable and disable control functionality
• Utilizes LVCMOS output logic for digital interfacing
• Designed with a 4-SMD no-lead surface mount package

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to confirm exact electrical parameters and package dimensions. Ensure compatibility with the target board layout for the 4-SMD no-lead form factor. Cross-reference the frequency tolerance and load capacitance requirements with the system design specifications before procurement.

Selection Notes

Select this component when a 1.8V supply and LVCMOS interface are required for a 74.00363 MHz reference. Consider the physical constraints of the 4-SMD no-lead package during PCB layout. Validate that the enable/disable feature aligns with power management strategies in the application design.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The -OE suffix typically denotes specific packaging or tape-and-reel configurations as defined by the manufacturer's catalog.

Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching 74.00363 MHz frequency and 1.8V LVCMOS specifications. Verify pinout compatibility and thermal characteristics when replacing with components from different manufacturers.