18QHTF21-31.644-OE

Oscillators Overview

The 18QHTF21-31.644-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 31.644 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0 x 1.6 mm. This component is designed for low power consumption applications requiring precise timing signals.

Oscillators Feature Summary

• Standard XO design with LVCMOS output logic
• Integrated enable/disable control functionality
• Compact 2.0x1.6mm SMD package

Oscillators Applications

• Low power consumer electronics
• Portable communication devices
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin configuration matches your control logic. Check the operating temperature range specifications to ensure suitability for your environmental conditions. Validate the package footprint compatibility with your PCB layout.

Oscillators Selection Notes

Select this component when a 31.644 MHz clock signal is required with minimal power consumption. The 1.8V operation makes it suitable for battery-powered or low-voltage digital systems. The enable feature allows for dynamic power management during idle states. Consider the small form factor if space constraints are critical. Verify that LVCMOS output levels are compatible with the receiving logic inputs.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface mount oscillators from Mercury Electronics. The series offers various frequencies with consistent 1.8V operation and compact packaging. Mercury Electronics has extensive experience in quartz crystal manufacturing since 1973. The 18QHTF21 series is designed for applications requiring reliable timing in small electronic devices.

Oscillators Replacement Considerations

Direct substitutes include other 31.644 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Compatible alternatives must match the 2.0x1.6mm footprint and enable/disable functionality. Verify electrical parameters such as current consumption and output swing. Ensure thermal characteristics meet the application requirements.