18QHTF21-35.4689-PD

Oscillators Overview

The 18QHTF21-35.4689-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 35.4689 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby power-down mode to reduce consumption during inactivity. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports low-voltage operation with integrated standby functionality
• Provides stable clock signals via LVCMOS interface
• Utilizes a leadless surface-mount package design

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing circuits
• Microcontroller clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct pinout and electrical characteristics. Confirm that the LVCMOS output level matches the receiving component's input requirements. Check for any environmental compliance certifications required for your specific region or industry application before finalizing the purchase order.

Oscillators Selection Notes

Select this component when a precise 35.4689 MHz reference is required for 1.8V logic families. Ensure the PCB layout accommodates the 4-SMD no-lead footprint dimensions. Consider thermal management if the operating environment exceeds standard commercial temperature ranges, as performance may vary outside specified limits.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which focuses on quartz-based timing solutions. The company specializes in frequency control products including crystals and oscillators. This specific model represents a standard output variant within their portfolio of surface-mount timing devices.

Oscillators Replacement Considerations

Consult official cross-reference lists for compatible substitutes. Verify that alternative parts match the 35.4689 MHz frequency, 1.8V supply, and LVCMOS output type. Ensure physical package compatibility to avoid rework.