18QHTF21-7.524-OE

Overview

The 18QHTF21-7.524-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 7.524 MHz with a frequency stability of ±50ppm. The device utilizes LVCMOS output levels and functions at a supply voltage of 1.8V, featuring an enable/disable control pin. It is housed in a compact 4-SMD, No Lead package and supports an operating temperature range of -40°C to 85°C.

Feature Summary

• Provides stable clock signals via LVCMOS output interface
• Includes enable/disable functionality for power management
• Designed for surface-mount integration in compact circuits

Applications

• General-purpose digital timing applications
• Embedded systems requiring low-voltage clock sources
• Consumer electronics utilizing SMD components

Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging and tolerance specifications. Confirm that the OE variant matches the required enable/disable pin configuration for your design. Cross-reference the active status and lead-free compliance details before finalizing procurement orders.

Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS logic compatibility are required. Ensure the 4-SMD footprint aligns with the PCB layout constraints. Consider the ±50ppm stability requirement relative to system timing accuracy needs and verify the -40°C to 85°C temperature range covers the operational environment.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a small form factor. This specific model provides a 7.524 MHz output, serving as a precise timing reference for low-power digital circuits requiring reliable clock generation.

Replacement Considerations

Check for direct substitutes within the same series offering identical pinouts and electrical characteristics. Verify compatibility regarding supply voltage, output type, and physical dimensions before substituting.