18QHTF21-100.009-PD

Overview

The 18QHTF21-100.009-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 100.009 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby and power-down functionality
• Provides LVCMOS signal output compatibility

Applications

• Digital clock signal generation
• Data communication interface timing
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance.

Selection Notes

Select this component when a precise 100.009 MHz reference is required in space-constrained designs. The choice is driven by the need for low-power standby modes and small form factor integration into portable or dense electronic assemblies requiring LVCMOS interfaces.

Part Context

This part belongs to the 18Q series of surface-mount oscillators from Mercury Electronic Ind. Co., Ltd. The series focuses on providing reliable timing solutions in miniature packages suitable for modern consumer electronics and industrial applications requiring precise frequency control.

Replacement Considerations

Direct substitutes include other 100.009 MHz XO models from Mercury Electronics with identical pinout and voltage specifications. Cross-reference with equivalent parts from other manufacturers ensuring matching LVCMOS output and 1.8V supply compatibility.