18QHTF21-12.343583-OE

Overview

The 18QHTF21-12.343583-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.343583 MHz with an LVCMOS output logic level. The device supports 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 2.0mm x 1.6mm.

Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated enable and disable control function
• Compact 4-SMD no-lead surface mount package

Applications

• General clock signal generation in electronic circuits
• Embedded systems requiring precise timing references
• Consumer electronics utilizing low-voltage power supplies

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 footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards. Validate the enable/disable pin configuration with your schematic.

Selection Notes

Select this component when a stable 12.343583 MHz reference is needed in space-constrained designs. The LVCMOS output simplifies integration with standard logic families. The enable feature allows for power management strategies. Consider the operating temperature range to ensure reliability under environmental conditions. Compare package dimensions against available board real estate.

Part Context

Mercury Electronics Ind. Co. Ltd specializes in frequency control products, including quartz crystals and oscillators. This model belongs to their XO series, designed for applications requiring reliable clock signals. The company has a history of manufacturing quartz-based components since 1973. The 18QHTF21 series typically offers standard specifications for general-purpose timing needs.

Replacement Considerations

Direct substitutes must match the 12.343583 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify electrical parameters such as phase noise and jitter if critical to the application. Ensure the replacement part supports the same enable/disable functionality. Cross-reference pinouts to guarantee compatibility.