18QHTF21-75.670-OE

Overview

The 18QHTF21-75.670-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.67 MHz and utilizes LVCMOS output logic. The device is designed for low voltage applications with 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. This oscillator provides stable clock signals for digital circuits requiring precise timing.

Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no lead surface mount package design

Applications

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

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your specific circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Cross-reference the OE suffix with the manufacturer's latest documentation to confirm availability and any potential revisions.

Selection Notes

Select this component when a 75.67 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage for low power systems. The enable pin allows for dynamic power management. Verify temperature range specifications if operating in extreme environments. Compare size constraints against alternative packages if space is limited.

Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options. The 18 prefix often indicates the 1.8V supply variant. The model number encodes the specific frequency and package type. This series is designed for consumer electronics and portable devices requiring small form factors.

Replacement Considerations

Check for direct substitutes with identical frequency and voltage ratings. Verify pinout compatibility for surface mount replacement. Ensure output logic levels match existing designs. Consult manufacturer cross-reference lists for approved alternatives. Validate performance parameters before substituting.