18QHTF21-15.3842-PD

Oscillators Overview

The 18QHTF21-15.3842-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 15.3842 MHz and utilizes an LVCMOS output interface. The device functions with a supply voltage of 1.8V and includes a power-down feature for standby mode control. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates a power-down pin for standby functionality
• Provides standard LVCMOS signal output

Oscillators Applications

• Embedded systems requiring precise clock signals
• Communication modules utilizing 15.3842 MHz timing
• Portable electronic devices with space constraints

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load capacitance specifications. Confirm that the 4-SMD package matches the target PCB footprint. Check manufacturer documentation for absolute maximum ratings regarding voltage and temperature ranges before integration.

Oscillators Selection Notes

Select this component when a 1.8V supply is available and a small form factor is required. Ensure the application supports LVCMOS logic levels. Consider the power-down capability if energy efficiency during idle states is a priority. Verify that the 15.3842 MHz frequency aligns with system clock requirements.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies within a standardized 2.0x1.6 mm package. These components are designed for applications needing reliable quartz-based timing in low-profile electronic assemblies.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with identical package and voltage but different frequencies, such as 18QHTF21-15.375-PD. Cross-referencing requires matching the LVCMOS output type and 1.8V operating voltage.