18QHTF21-40.608-PD

Oscillators Overview

The 18QHTF21-40.608-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.608 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no lead surface mount package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package dimensions fit within your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Oscillators Selection Notes

Select this component when a precise 40.608 MHz clock source is required with low power consumption capabilities. The LVCMOS output is suitable for interfacing with standard digital logic families operating at 1.8V. Consider the standby feature if power efficiency during idle states is a critical design requirement. Evaluate the small form factor against available board space.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The company has a long history in quartz crystal manufacturing, offering various oscillator types including TCXO and VCXO. This specific model represents a standard fixed-frequency option within their portfolio, designed for general-purpose timing applications.

Oscillators Replacement Considerations

Direct substitutes must match the 40.608 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if applicable. Cross-reference with other manufacturers' equivalent parts ensuring identical functional parameters.