18QHTF21-1.300-OE

Overview

The 18QHTF21-1.300-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.3 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• LVCMOS output interface
• Enable/Disable control functionality
• Compact surface-mount package

Applications

• General timing applications
• Embedded systems clock sources
• Consumer electronics timing circuits

Procurement Notes

Verify the exact frequency specification against official datasheets, as the model number suggests 1.3 MHz but similar series parts often use standard frequencies like 1.8432 MHz or 1.84320 MHz. Confirm the package type and voltage requirements match the design specifications before ordering.

Selection Notes

Select this component when a low-frequency, low-voltage LVCMOS oscillator is required. Ensure the system supports 1.8V operation and requires an enable pin for power management. Verify that the 2.0x1.6 mm footprint fits the PCB layout constraints.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various standard frequencies in a small SMD package. The series typically includes options with different output voltages and control features, catering to diverse timing needs in portable and space-constrained devices.

Replacement Considerations

Check for direct equivalents within the same series with compatible frequencies. Cross-reference with other manufacturers offering 1.8V LVCMOS oscillators in 2.0x1.6 mm packages, ensuring electrical compatibility and pinout alignment.

FAQ

What is the output logic level?

The output logic level is LVCMOS.

Does it have an enable function?

Yes, the device includes an Enable/Disable control feature.