18QHTF21-40.970-PD

Oscillators Overview

The 18QHTF21-40.970-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.97 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption efficiently. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for space-constrained surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic for compatibility

Oscillators Applications

• General-purpose clock signal generation
• Embedded system timing references
• Portable electronic devices requiring low power

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific manufacturing date codes or lot traceability requirements mandated by your quality standards.

Oscillators Selection Notes

Select this component when a precise 40.97 MHz clock source is required in a minimal footprint. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. The inclusion of a power-down feature allows for dynamic power management strategies. Consider the LVCMOS interface compatibility with your target microcontroller or FPGA inputs.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various frequencies within a standardized 2.0x1.6 mm SMD package. Mercury Electronics has decades of experience in quartz crystal manufacturing, providing reliable timing solutions for industrial and consumer electronics markets globally.

Oscillators Replacement Considerations

Direct substitutes include other 1.8V LVCMOS oscillators in 4-SMD packages with identical 40.97 MHz frequency. Verify pinout compatibility and electrical specifications such as rise/fall times and duty cycle. Cross-reference with similar models from Mercury Electronics like the 18QHTF21-40.000-PD if frequency adjustment is permissible.