18QHTF21-18.528-PD

Oscillators Overview

The 18QHTF21-18.528-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.528 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 1.8V and includes a standby or power-down function to reduce consumption during inactive periods. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output interface for digital signal compatibility
• Supports standby mode for power management efficiency
• Utilizes quartz crystal technology for frequency stability

Oscillators Applications

• Embedded system clock generation
• Communication equipment timing references
• Consumer electronics control circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Request the official datasheet from Mercury Electronics for detailed electrical characteristics and reliability data.

Oscillators Selection Notes

Select this component when a stable 18.528 MHz reference is required for low-voltage digital interfaces. The LVCMOS output simplifies integration with microcontrollers and FPGAs operating at compatible logic levels. Consider the power-down feature if energy efficiency is critical for battery-operated devices. Verify environmental specifications if the application involves extreme temperatures.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This series typically offers standard oscillators with various frequencies and supply voltages, catering to general-purpose timing needs in modern electronic assemblies.

Oscillators Replacement Considerations

Direct substitutes must match the 18.528 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check equivalent models from other manufacturers ensuring identical pinout and electrical parameters. Verify that any replacement maintains the same standby functionality and frequency stability standards.