18QHTF21-65.9934-PD

Overview

The 18QHTF21-65.9934-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 65.9934 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down capability for energy management. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power reduction
• Provides LVCMOS signal output compatibility

Applications

• General clock generation for digital circuits
• Embedded system timing references
• Consumer electronics requiring low-power 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 no-lead package footprint matches your PCB layout constraints to guarantee proper assembly and electrical connectivity.

Selection Notes

Select this component when a precise 65.9934 MHz reference is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard logic families. Consider the standby feature if power efficiency is critical. Verify thermal performance within the specified operating temperature range for your intended environment.

Part Context

This part 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 designed for cost-effective and reliable timing solutions in various electronic devices.

Replacement Considerations

Direct substitutes include other 65.9934 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Ensure equivalent voltage levels and pin configurations are maintained. Cross-reference specifications for jitter and stability metrics to ensure functional parity without redesigning the host circuit.