18QHTF21-19.228-OE

Oscillators Overview

The 18QHTF21-19.228-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 19.228 MHz and utilizes LVCMOS output logic levels. The device supports voltage enable and disable functionality, allowing for power management control. It is housed in a compact 4-SMD, No Lead surface-mount package, designed for integration into space-constrained electronic circuits requiring precise timing signals.

Oscillators Feature Summary

• Provides stable 19.228 MHz timing signal via LVCMOS interface
• Features voltage-controlled enable and disable capability for power optimization
• Utilizes leadless 4-SMD surface-mount packaging for automated assembly

Oscillators Applications

• Consumer electronics requiring precise clock synchronization
• Industrial control systems needing reliable timing references
• Embedded devices utilizing LVCMOS-compatible logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the LVCMOS output voltage levels match your system's input thresholds. Ensure the 4-SMD no-lead footprint dimensions align with your PCB layout constraints to prevent soldering defects during reflow processes.

Oscillators Selection Notes

Select this component when a fixed 19.228 MHz reference is required alongside low-power standby modes enabled by the control pin. Consider the thermal characteristics of the SMD package if operating in high-temperature environments. Evaluate the need for LVCMOS compatibility versus other logic families like HCMOS or CMOS depending on the downstream processing unit.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a quartz crystal manufacturer with decades of experience in frequency control products. This oscillator belongs to their series of precision timing solutions, leveraging proprietary crystal cutting and aging techniques to ensure long-term stability and reliability across various industrial and commercial applications.

Oscillators Replacement Considerations

Direct substitutes must match the 19.228 MHz frequency, LVCMOS output type, and 4-SMD no-lead package. Verify equivalent electrical specifications including supply voltage and current consumption. Cross-reference pinout configurations to ensure functional compatibility without PCB redesign.