18QHTF21-3.14572-PD

Oscillators Overview

The 18QHTF21-3.14572-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 3.14572 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby (power down) function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with integrated power-down capability
• Delivers stable LVCMOS clock signals for digital circuits
• Utilizes a leadless surface-mount package for automated assembly

Oscillators Applications

• Battery-powered portable electronic devices
• Embedded systems requiring precise timing references
• Communication modules utilizing low-frequency clock sources

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail meets the current consumption specifications to maintain signal integrity. Confirm that the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to prevent mounting issues during assembly.

Oscillators Selection Notes

Select this component when a low-frequency, low-power clock source is required for battery-operated equipment. The 1.8V supply voltage makes it suitable for modern low-voltage logic families. Consider the standby feature if power conservation is critical. Verify that the 3.14572 MHz frequency aligns with the system's baud rate or processing requirements.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, typically featuring LVCMOS outputs and compact SMD packages. These components are designed for general-purpose timing applications where size and power efficiency are prioritized over high-frequency performance.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinouts and electrical characteristics but different frequencies, such as 18QHTF21-6.1679-PD or 18QHTF21-51.200-PD, provided the system clock requirement can be adjusted accordingly.