18QHTF21-83.3125-PD

Overview

The 18QHTF21-83.3125-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 83.3125 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a power-down function for standby mode control. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.

Feature Summary

• Integrates LVCMOS output logic for direct interface with digital circuits
• Supports standby operation via dedicated power-down control pin
• Utilizes surface-mount packaging for automated assembly compatibility

Applications

• Digital signal processing timing references
• Communication equipment clock sources
• Embedded system synchronization

Procurement Notes

Verify the specific suffix PD indicates the power-down feature configuration. Confirm the 1.8V supply requirement matches the target circuit design. Ensure the 4-SMD footprint aligns with the PCB layout specifications. Check operating temperature ranges against environmental conditions.

Selection Notes

Select this model when an 83.3125 MHz frequency is required with LVCMOS outputs. Consider the 1.8V supply constraint for power budgeting. Evaluate the small 2.0x1.6 mm package size for space-constrained designs. Compare alternatives if different voltage levels or output types are needed.

Part Context

Mercury Electronics specializes in quartz crystal components. This oscillator belongs to their series of surface-mount timing devices. The product line focuses on providing stable frequencies for electronic applications. The company has decades of experience in frequency control manufacturing.

Replacement Considerations

Cross-reference with other 83.3125 MHz LVCMOS oscillators from Mercury Electronics. Verify equivalent electrical parameters before substitution. Ensure mechanical dimensions match the existing footprint.