18QHTF21-4.897-OE

Oscillators Overview

The 18QHTF21-4.897-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.897 MHz and utilizes an LVCMOS output signal type. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. This component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output interface for digital logic compatibility
• Includes hardware enable/disable pin for active power control
• Utilizes quartz resonator technology for stable frequency generation

Oscillators Applications

• Embedded system clock sources
• Digital signal processing circuits
• Microcontroller timing references

Oscillators Procurement Notes

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

Oscillators Selection Notes

Choose this model when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The small 2.0x1.6 mm package makes it suitable for space-constrained designs. Consider the enable/disable feature if power efficiency during idle states is critical. Compare alternative frequencies within the same series if different clock speeds are needed while maintaining identical package and electrical specifications.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in producing crystals and oscillators. This series typically offers standard performance levels suitable for general-purpose digital electronics. The company is recognized as a pioneer in Taiwan's quartz manufacturing industry.

Oscillators Replacement Considerations

Direct substitutes must match the 4.897 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6 mm package. Verify pinout compatibility and enable/disable functionality. Check if alternative manufacturers offer equivalent timing stability and phase noise specifications. Ensure the replacement part maintains the same operating temperature range and reliability ratings.