18QHTF21-42.7581-OE

Oscillators Overview

The 18QHTF21-42.7581-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 42.7581 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. This surface-mount oscillator is suitable for digital circuits requiring precise clock signals.

Oscillators Feature Summary

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

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct configuration. Confirm that the 1.8V supply requirement aligns with target circuit design. Check package footprint compatibility during PCB layout. Ensure environmental specifications meet operational requirements.

Oscillators Selection Notes

Select this component when a 42.7581 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage constraint for power budget alignment. Evaluate the small 2.0x1.6mm footprint for space-constrained designs. Verify enable pin availability if power management is necessary.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd specializes in frequency control products, including quartz crystals and oscillators. The company has decades of experience in Taiwan's electronics manufacturing sector. This model belongs to their standard XO series, offering reliable timing solutions for various electronic applications.

Oscillators Replacement Considerations

Cross-reference with other 42.7581 MHz LVCMOS oscillators in 4-SMD packages. Verify voltage and pinout compatibility before substitution. Ensure equivalent performance characteristics are maintained.