18QHTF21-24.190-PD

Oscillators Overview

The 18QHTF21-24.190-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 24.19 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output interface for digital compatibility
• Includes Standby mode functionality to reduce power consumption when inactive
• Utilizes a surface-mount 4-pin no-lead package design for automated assembly

Oscillators Applications

• Digital signal processing circuits requiring precise clock timing
• Embedded systems utilizing low-voltage microcontrollers
• Communication modules operating at 1.8V logic levels

Oscillators 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 stability meets the oscillator's operational specifications. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a 24.19 MHz reference clock is required for low-power applications. The LVCMOS output is suitable for direct interfacing with standard digital logic families. The integrated standby feature makes it appropriate for battery-operated devices where power management is critical. Verify that the operating temperature range aligns with the environmental conditions of the end application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within the standard XO category. The 'PD' suffix indicates the inclusion of a power-down or standby control pin, distinguishing it from continuous-output variants in the same physical package family.

Oscillators Replacement Considerations

Direct replacements must match the 24.19 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility for the standby control signal. Cross-reference with other manufacturers offering identical electrical parameters and mechanical dimensions to ensure functional equivalence.