18QHTF21-3.996-OE

Oscillators Overview

The 18QHTF21-3.996-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 3.996 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features active enable and disable control functionality
• Utilizes a leadless SMD package for surface-mount assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for low-voltage digital systems
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 3.996 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package dimensions are compatible with the PCB footprint. Check datasheet details for operating temperature range requirements before finalizing procurement.

Oscillators Selection Notes

Select this component when a stable 3.996 MHz clock source is required for low-voltage applications. The LVCMOS output ensures compatibility with standard digital logic families. The enable pin allows for dynamic power control, making it suitable for battery-operated devices. Verify that the operating temperature range meets the environmental conditions of the intended application.

Oscillators Part Context

This part belongs to the Mercury Electronic 18QHTF series of standard crystal oscillators. The series offers various frequencies with LVCMOS outputs and enable features. Mercury Electronic is a specialized manufacturer of frequency control products, including quartz crystals and oscillators, with a long history in the industry.

Oscillators Replacement Considerations

Cross-reference other 18QHTF21 variants from Mercury Electronic for different frequencies. Compare specifications with other 4-SMD LVCMOS oscillators offering 1.8V operation and enable pins. Ensure pinout and electrical characteristics match before substituting.