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— IC芯片 | 连接器 | 传感器 | 被动器件 —
18QHTF21-4.6453-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 4.6453 MHz XO 1.8V 2.0X1.6 MM PD. Review the specifications below when checking this part for your BOM.
The 18QHTF21-4.6453-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.6453 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.
Verify the specific ordering suffix to confirm the presence of the Enable/Disable pin configuration, as variants such as -OE explicitly denote this feature while others may differ. Ensure the required operating temperature range aligns with system requirements. Confirm that the 1.8V supply voltage matches the target circuit design before procurement.
Select this component when a low-voltage 1.8V oscillator is required with active power control capabilities. The small 2.0x1.6mm footprint makes it suitable for dense PCB layouts. Consider the LVCMOS output level compatibility with downstream logic gates. Verify if the specific -PD suffix variant includes the necessary enable/disable functionality compared to standard versions.
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products including quartz crystals and oscillators. The company has a history dating back to 1973, focusing on precision timing components for various electronic applications.
Direct substitutes include other 4.6453 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Ensure voltage and pinout compatibility when replacing.
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