18QHTF21-57.453667-OE

Overview

The 18QHTF21-57.453667-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.453667 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package.

Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Features integrated enable and disable control functionality for power management
• Utilizes a leadless SMD package design for surface mount assembly

Applications

• General purpose clock signal generation in electronic circuits
• Timing reference sources for digital systems requiring LVCMOS interfaces
• Embedded applications utilizing 1.8V power domains

Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package dimensions fit the PCB footprint requirements. Cross-reference the part number suffix to confirm the exact configuration matches the project specifications.

Selection Notes

Select this component when a precise 57.453667 MHz clock source is required within a 1.8V powered environment. The LVCMOS output is suitable for direct interfacing with compatible digital logic families. Consider the enable/disable feature if dynamic power control is necessary for the application. Verify thermal performance limits for the intended operating conditions.

Part Context

This model belongs to the Mercury Electronics XO series, which provides standard crystal oscillators. The manufacturer has extensive experience in quartz crystal production. The 18QHTF21 designation indicates a specific form factor and electrical characteristic set within their product lineup, distinct from other voltage or package variants.

Replacement Considerations

Direct substitutes must match the 57.453667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check Mercury Electronics documentation for alternative part numbers with identical pinouts and electrical parameters. Ensure any replacement maintains the same enable/disable functionality and physical dimensions.