18QHTF57-42.1375-PD

Oscillators Overview

The 18QHTF57-42.1375-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, designed for precise frequency generation in electronic circuits. It operates at a nominal frequency of 42.1375 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and features a Standby (Power Down) control function to manage power consumption effectively. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. The component is engineered to maintain stable performance across a specified operating temperature range, ensuring reliability in various digital applications requiring accurate clock signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for direct interface with digital systems
• Includes Standby (Power Down) functionality for power management
• Designed for low power consumption during operation

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 your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the Standby pin configuration matches your control logic. Check the operating temperature range specifications to ensure suitability for your environmental conditions. Validate the 4-SMD package dimensions against your PCB footprint constraints.

Oscillators Selection Notes

Select this component when a 42.1375 MHz clock source is required with LVCMOS compatibility. Consider the 1.8V supply constraint and the need for power-down capabilities. Evaluate the thermal performance requirements against the specified operating temperature range. Compare package size limitations with available board space. Assess the impact of standby current on overall system power budget.

Oscillators Part Context

This part belongs to the 18QHTF57 series of crystal oscillators from Mercury Electronics Ind. Co. Ltd. The series offers various frequencies and output types. The PD suffix typically indicates a specific package or tape-and-reel configuration. Mercury Electronics specializes in frequency control products, leveraging decades of industry experience. This model represents a standard XO solution for embedded applications.

Oscillators Replacement Considerations

Direct substitutes must match the 42.1375 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD No Lead package. Verify equivalent electrical characteristics including phase noise and stability. Ensure compatible control functions such as Standby mode are supported by alternative parts.