18QHTF21-23.900-OE

Oscillators Overview

The 18QHTF21-23.900-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 23.9 MHz and utilizes LVCMOS output logic levels. The device supports an active-low enable/disable control function via the OE pin, allowing for power management in system designs. It is powered by a single 1.8V supply voltage and is housed in a compact 4-SMD, no-lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• Provides stable 23.9 MHz clock signal generation using quartz resonator technology
• Features LVCMOS output interface compatible with standard digital logic circuits
• Includes enable/disable control pin for dynamic power consumption management

Oscillators Applications

• General purpose clock source for embedded microcontrollers
• Timing reference for communication interfaces requiring 23.9 MHz
• Consumer electronics devices utilizing low-voltage logic families

Oscillators Procurement Notes

Verify that the specific part number matches the required frequency and voltage specifications before ordering. Confirm that the 1.8V supply rail is stable within datasheet limits to ensure proper oscillator operation. Ensure the PCB footprint aligns with the 4-SMD no-lead package dimensions provided in the mechanical drawings. Check for any specific handling requirements related to electrostatic discharge during installation.

Oscillators Selection Notes

Select this component when a precise 23.9 MHz timing reference is required for systems operating at 1.8V logic levels. The integrated enable feature makes it suitable for battery-powered applications where power conservation is critical. Consider the small form factor if space constraints are a primary design driver. Ensure compatibility with LVCMOS input thresholds of the receiving circuitry.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a standardized 4-SMD no-lead package. The series is designed for applications requiring reliable timing in compact electronic devices. Mercury Electronics specializes in frequency control products, including crystals and oscillators, providing options for different voltage and frequency combinations within this family.

Oscillators Replacement Considerations

Direct replacements must match the 23.9 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility, particularly the enable pin configuration, as functional equivalents may differ in control logic polarity.