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18QHTF21-18.9568-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 18.9568 MHz XO 1.8V 2.0X1.6MM OE. Review the specifications below when checking this part for your BOM.
The 18QHTF21-18.9568-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.9568 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V supply voltage. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm, suitable for surface-mount assembly.
Verify the specific ordering suffix against manufacturer documentation to ensure correct voltage and package configuration. Confirm that the OE suffix aligns with the required enable/disable feature set. Cross-reference the part number with official Mercury Electronics catalogs to validate availability and current production status before finalizing procurement orders.
Select this component when a 1.8V supply voltage is mandatory for the system design. Ensure the application requires LVCMOS signal levels rather than other output types like HCMOS or CMOS. Verify that the 2.0x1.6mm footprint fits within the PCB layout constraints. Consider the enable/disable pin requirement if dynamic power management is necessary for the target application.
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The company has decades of experience in Taiwan's crystal manufacturing industry. This series typically offers standard XO configurations with various frequency options and voltage levels tailored for modern low-power electronics.
The component uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Yes, it includes an enable/disable pin to control the operational state of the oscillator.
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