18QHTF21-47.999-PD

Oscillators Overview

The 18QHTF21-47.999-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 47.999 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby and power-down control functionality
• Compact 4-SMD surface-mount package design

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 47.999 MHz
• Portable devices utilizing low-voltage 1.8V operation

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific handling instructions regarding the no-lead package type during assembly.

Oscillators Selection Notes

Select this component when a precise 47.999 MHz timing source is required with low voltage operation. Consider the LVCMOS output level compatibility with downstream logic families. Evaluate the need for power-down capabilities to manage energy consumption in standby modes. Assess the physical space constraints for the small 2.0x1.6mm package size.

Oscillators Part Context

This part belongs to the Mercury Electronics QHTF series of quartz crystal oscillators. The series typically offers standard frequencies with LVCMOS outputs. The 'PD' suffix indicates the inclusion of power-down functionality. These components are designed for applications requiring stable frequency generation in compact form factors.

Oscillators Replacement Considerations

Direct substitutes may include other 47.999 MHz XO components from Mercury Electronics with identical pinout and electrical specifications. Cross-referencing with similar packages from other manufacturers requires careful verification of voltage levels and output drive strength.