18QHTF21-38.740-OE

Oscillators Overview

The 18QHTF21-38.740-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 38.74 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a 4-SMD, no lead package configuration. This component serves as a clock source for digital circuits requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable and disable functionality for power management
• Utilizes a compact 4-SMD surface mount package without leads

Oscillators Applications

• General purpose clock generation for embedded systems
• Timing reference for microcontrollers and processors
• Digital signal processing circuit synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD footprint matches the PCB layout requirements. Check for any specific handling instructions regarding electrostatic discharge sensitivity during assembly.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The enable/disable feature makes it suitable for applications needing dynamic power control. The no-lead SMD package offers advantages for automated surface-mount assembly processes. Consider thermal performance and frequency stability requirements relative to the application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically covers various frequencies within a defined range, all sharing similar electrical characteristics and package dimensions. The suffix indicates a specific frequency setting of 38.74 MHz. Mercury Electronics specializes in quartz crystal and oscillator manufacturing.

Oscillators Replacement Considerations

Direct substitutes must match the 38.74 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical specifications with alternative manufacturers. Cross-reference with other Mercury Electronics parts in the same series if available.