18QHTF21-43.956-OE

Oscillators Overview

The 18QHTF21-43.956-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 43.956 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable pin for power control
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Embedded systems timing reference
• Consumer electronics main clocks

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required by your application environment to guarantee reliable performance.

Oscillators Selection Notes

Select this component when a stable 43.956 MHz clock source is required with low voltage operation. The LVCMOS output is appropriate for standard digital logic families. Consider the enable/disable functionality if power efficiency during idle states is a priority. The small form factor makes it suitable for space-constrained designs compared to larger through-hole alternatives.

Oscillators Part Context

This part belongs to the 18QHTF21 series of oscillators from Mercury Electronics. The series typically offers various frequencies within a similar voltage and package profile. Mercury Electronics is a established manufacturer of frequency control products, providing quartz-based timing solutions for global markets.

Oscillators Replacement Considerations

Direct replacements must match the 43.956 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility for the enable/disable function. Cross-reference with other manufacturers offering identical electrical specifications and mechanical dimensions to ensure seamless integration.