18QHTF21-1.3388-OE

Overview

The 18QHTF21-1.3388-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.3388 MHz and utilizes an LVCMOS output signal format. The device is designed for operation with a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates enable and disable control capabilities for power management
• Delivers LVCMOS output signals suitable for digital logic interfaces
• Utilizes a small form factor surface-mount package design

Applications

• General purpose timing circuits requiring low frequency reference
• Embedded systems utilizing 1.8V logic levels
• Portable electronic devices constrained by space limitations

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 to avoid assembly issues.

Selection Notes

Select this component when a precise 1.3388 MHz clock source is required within a minimal footprint. Consider the 1.8V operating voltage and LVCMOS output compatibility with your target microcontroller or FPGA. Evaluate the enable pin utility if dynamic power saving is necessary for the application.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-voltage crystal oscillators. The manufacturer specializes in frequency control products including quartz crystals and oscillators. This series targets applications demanding reliable timing solutions in compact electronic assemblies.

Replacement Considerations

Direct substitutes must match the 1.3388 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical specifications before swapping.