18QHTF21-13.040521-OE

Overview

The 18QHTF21-13.040521-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.040521 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 compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Applications

• Digital signal processing circuits
• Communication equipment timing references
• Embedded system clock generation

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target circuit design. Confirm that the enable/disable pin configuration matches the system control logic to ensure proper operation during power management states.

Selection Notes

Select this component when a precise 13.040521 MHz reference is required with low-voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the small form factor for space-constrained PCB layouts. Verify thermal performance within the specified operating temperature range for the intended application environment.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'OE' suffix typically denotes a specific ordering or packaging variant. These components are designed for reliable timing in consumer and industrial electronics.

Replacement Considerations

Direct replacements must match the 13.040521 MHz frequency, LVCMOS output type, 1.8V supply, and 4-SMD package dimensions. Verify electrical parameters such as jitter and phase noise if critical. Check manufacturer availability and lead times for equivalent parts from other suppliers.