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The 18QHTF21-114.444444-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 114.444444 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. This oscillator provides precise timing signals required for digital circuit synchronization.
Verify the specific part number suffix against official manufacturer documentation to ensure correct frequency and voltage specifications. Confirm that the ordering information matches the exact model requirements for your design. Cross-reference datasheet details regarding operating temperature range and load conditions before finalizing procurement decisions.
Select this component when a 1.8V supply voltage is required for the oscillator circuit. Ensure the application supports LVCMOS logic levels for signal integrity. Verify that the 4-SMD package dimensions fit within the available PCB space constraints. Confirm that the 114.444444 MHz frequency aligns with the target system timing requirements.
This model belongs to the 18QHTF21 series from Mercury Electronics Ind. Co. Ltd, which specializes in frequency control products. The series includes various frequencies and voltage options. Mercury Electronics has a history of manufacturing quartz crystals and oscillators, providing timing solutions for electronic industries.
Consult official substitution lists for compatible parts. Verify electrical parameters such as voltage, frequency, and package type before replacing.