18QHTF21-42.857142-OE

Oscillators Overview

The 18QHTF21-42.857142-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 42.857142 MHz and utilizes LVCMOS output logic. The device requires 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.

Oscillators Feature Summary

• Supports active low or high enable/disable functionality for power management
• Provides stable clock signals via LVCMOS output interface
• Designed for surface-mount integration with no-lead SMD packaging

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring precise frequency references
• Consumer electronics utilizing low-voltage logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail is stable to maintain oscillator performance. Confirm that the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to avoid assembly issues.

Oscillators Selection Notes

Select this component when a precise 42.857142 MHz reference is required for LVCMOS-compatible circuits. Consider the 1.8V operating voltage constraint and the need for enable/disable control. Evaluate the thermal stability and package size relative to other available oscillators in the Mercury Electronics portfolio to ensure compatibility with your system's power and space constraints.

Oscillators Part Context

This model belongs to the 18QHTF series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a compact form factor. The 'OE' suffix likely denotes a specific output configuration or packaging variant consistent with the manufacturer's naming conventions for surface-mount devices.

Oscillators Replacement Considerations

Direct substitutes may include other 42.857142 MHz LVCMOS oscillators from different manufacturers if pinout and voltage compatibility are verified. Cross-reference the 18QHTF21-42.857142-OE with similar Mercury models like the 18QHTF21-50.256-OE only if frequency adjustments are acceptable.