18QHTF21-1.12896-OE

Overview

The 18QHTF21-1.12896-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.12896 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an Enable/Disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• LVCMOS output interface
• Enable/Disable functionality
• Compact SMD package

Applications

• Telecommunications equipment
• Networking devices
• Audio/video equipment

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 footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards.

Selection Notes

Select this component when a precise 1.12896 MHz clock signal is required for low-power applications. The LVCMOS output is suitable for direct interfacing with digital logic circuits. The enable/disable feature allows for dynamic power savings in battery-operated devices. Consider the small form factor for space-constrained designs.

Part Context

Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals, oscillators, and filters. The company has a long history in the industry, producing timing components for various electronic applications. This part belongs to their standard XO series.

Replacement Considerations

Direct substitutes include other 1.12896 MHz LVCMOS oscillators in 2.0x1.6mm packages from manufacturers like Epson or NDK. Verify pin compatibility and electrical specifications before substitution.