18QHTF21-25.140-OE

Oscillators Overview

The 18QHTF21-25.140-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 25.140 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

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

Oscillators Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions specified in the official datasheet to guarantee proper solder joint formation and mechanical stability during operation.

Oscillators Selection Notes

Select this component when a precise 25.140 MHz clock source is required for low-power digital circuits. The LVCMOS output ensures compatibility with standard logic families operating at 1.8V. Consider the enable pin feature if power management strategies are necessary for the system. Verify that the operating temperature range meets the environmental conditions of the intended deployment scenario.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequency options within a small form factor. These components are designed for applications requiring stable clock signals with minimal power consumption. The manufacturer provides multiple variants differentiated primarily by their operating frequencies and specific electrical characteristics.

Oscillators Replacement Considerations

Direct substitutes must match the 25.140 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Cross-reference with other manufacturers offering identical pinouts and electrical specifications to ensure functional equivalence without redesigning the host circuit.