18QHTF21-19.312-OE

Oscillators Overview

The 18QHTF21-19.312-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 19.312 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

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

Oscillators Applications

• Timing and clock signal generation in electronic devices
• LVCMOS system integration
• Consumer electronics requiring low-power oscillators

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 19.312 MHz operation. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Cross-reference the manufacturer part number to avoid confusion with similar series variants.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V LVCMOS oscillator is required. Consider the enable/disable feature if power conservation is necessary. Verify the 19.312 MHz frequency against system clock requirements. Ensure the small form factor fits within the available board space constraints.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The series includes various frequencies such as 31.680 MHz and 44.200 MHz, all sharing similar LVCMOS and 1.8V characteristics. Mercury Electronics has a long history in Taiwan's crystal manufacturing industry.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with different frequencies like 18QHTF21-31.680-OE or 18QHTF21-44.200-OE, provided the frequency difference is acceptable. Check datasheets for pinout and electrical parameter compatibility before substitution.