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18QHTF21-19.6416-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 19.6416 MHz XO 1.8V 2.0X1.6MM OE. Review the specifications below when checking this part for your BOM.
The 18QHTF21-19.6416-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.6416 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount assembly.
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints to guarantee proper mechanical fit and electrical connection.
Select this component when a precise 19.6416 MHz clock source is required for low-voltage digital circuits. The LVCMOS output ensures compatibility with standard logic families operating at 1.8V. Consider the enable pin feature if dynamic power saving or clock gating is necessary for the application.
This part belongs to the QHTF series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'OE' suffix typically denotes a specific packaging or tape-and-reel configuration, though exact details require datasheet confirmation. This model represents a standard timing solution within their portfolio.
Direct substitutes must match the 19.6416 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical specifications before swapping. Cross-reference with other Mercury models like the 18QHTF21 series variants for similar form factors.
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