18QHTF21-8.007442-OE

Overview

The 18QHTF21-8.007442-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 8.007442 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 with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Utilizes a small form factor 4-SMD no lead package

Applications

• General purpose clock signal generation
• Embedded systems requiring precise timing references
• Digital circuits utilizing LVCMOS interfaces

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin configuration matches your control logic to ensure proper operation during standby or active states.

Selection Notes

Select this component when a low-profile surface mount oscillator is required for 1.8V logic systems. Consider the 4-SMD package size constraints and the need for an enable feature. Verify that the 8.007442 MHz frequency meets the specific timing needs of the target application without requiring external dividers.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series offers various frequencies within a standardized 2.0x1.6mm footprint, catering to modern electronics that demand compact components with reliable timing performance.

Replacement Considerations

Direct substitutes must match the 8.007442 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check datasheets for compatible parts from other manufacturers offering identical electrical characteristics and pinout configurations.