18QHTF21-49.1522-OE

Overview

The 18QHTF21-49.1522-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 49.1522 MHz and utilizes LVCMOS output logic. The device is designed for low voltage applications, requiring a supply voltage of 1.8V. It features enable and disable control functionality to manage power consumption. The component is housed in a compact 4-SMD, no lead package, suitable for surface mount assembly. This oscillator provides precise timing signals for digital circuits requiring stable clock sources.

Feature Summary

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

Applications

• General purpose digital circuit timing
• Embedded systems requiring stable clock sources
• Consumer electronics with low voltage requirements

Procurement Notes

Verify the exact frequency tolerance and load capacitance specifications against your system requirements before procurement. Ensure the 1.8V supply voltage aligns with your target platform's power rails. Confirm that the LVCMOS output levels are compatible with downstream logic inputs. Check the datasheet for operating temperature range limitations to ensure reliability in your specific environment.

Selection Notes

Select this component when a 49.1522 MHz clock signal is required with low voltage operation. Consider the 1.8V supply constraint and LVCMOS output characteristics. Evaluate the physical size of the 4-SMD package against board space constraints. Compare performance metrics such as phase noise and stability if available in official documentation against alternative oscillators.

Part Context

This part belongs to the Mercury Electronics XO series, focusing on standard frequency control solutions. Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in quartz crystals and oscillators. The company has a history of producing frequency control products since 1973, offering various timing components for industrial and consumer applications.

Replacement Considerations

Direct substitutes may include other 49.1522 MHz LVCMOS oscillators in similar packages from different manufacturers. Verify pinout compatibility and electrical specifications carefully. No specific substitute part numbers are confirmed in public data.