18QHTF21-4.864-PD

Oscillators Overview

The 18QHTF21-4.864-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 4.864 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 6mm square. The component supports an operating temperature range typical for commercial applications.

Oscillators Feature Summary

• Supports low-power standby mode for energy conservation
• Utilizes LVCMOS output interface for digital compatibility
• Designed for battery-powered and portable electronic devices

Oscillators Applications

• Portable consumer electronics
• Battery-operated communication modules
• General-purpose digital timing circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's operational specifications. Confirm that the 4-SMD no-lead package footprint aligns with your PCB layout constraints to ensure proper soldering and mechanical reliability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 4.864 MHz clock signal is required for low-voltage digital systems. The LVCMOS output ensures direct interfacing with standard logic families without additional level shifting. Consider the 1.8V supply requirement and standby capability if power efficiency is a critical design constraint for the target application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequency options within a standardized 6mm square package form factor. These components are designed to provide stable timing references for modern embedded systems requiring small footprints and low power consumption.

Oscillators Replacement Considerations

Direct substitutes must match the 4.864 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical characteristics such as phase noise and jitter specifications to ensure functional equivalence in the existing circuit design.