18QHTF21-12.72813-OE

Overview

The 18QHTF21-12.72813-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 12.72813 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals in space-constrained electronic systems.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable pin for power control
• Compact surface-mount package design

Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics timing circuits

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 functionality is utilized correctly in your schematic to manage power consumption during idle states. Cross-reference the datasheet for absolute maximum ratings to prevent device damage.

Selection Notes

Select this model when a low-profile, 1.8V LVCMOS oscillator is required for 12.72813 MHz applications. Consider the enable/disable feature if power efficiency is critical. Compare package dimensions against PCB layout constraints. Evaluate alternative frequencies within the same series if the exact 12.72813 MHz value is not strictly necessary.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various standard XO options. The series typically features small form factors suitable for portable devices. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for diverse industrial and consumer markets. The 'OE' suffix likely denotes a specific packaging or tape-and-reel configuration.

FAQ

Does the 18QHTF21-12.72813-OE support spread spectrum modulation?

No, the product description identifies it as a Standard XO. Spread spectrum capability is typically associated with SSXO variants, which are distinct from standard models.

What is the output voltage level of this oscillator?

The device uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic, compatible with 1.8V supply systems.