18QHTF21-45.185-PD

Oscillators Overview

The 18QHTF21-45.185-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 45.185 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• Standby (Power Down) capability
• 4-SMD, No Lead package

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

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 architecture. Ensure the 4-SMD footprint matches the PCB layout constraints. Cross-reference the datasheet for operating temperature range specifications to guarantee reliability under environmental conditions.

Oscillators Selection Notes

Select this component when a precise 45.185 MHz clock source is required with low power consumption features. The LVCMOS output is compatible with standard digital logic families. Consider the standby function if power efficiency during idle states is critical. Evaluate the physical dimensions of the 4-SMD package against available board space.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, designed for general-purpose clocking applications. The manufacturer specializes in frequency control products, offering various oscillator types including quartz crystals and SMD oscillators. This specific model represents a standard configuration within their portfolio.

Oscillators Replacement Considerations

Direct substitutes must match the 45.185 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as duty cycle and rise/fall times. Consult official cross-reference lists from Mercury Electronics or authorized distributors for validated alternatives.