18QHTF21-1.664-OE

Overview

The 18QHTF21-1.664-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.664 MHz and utilizes LVCMOS output logic. 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 2.0mm x 1.6mm. The component is designed for timing applications requiring precise clock signals within electronic circuits.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/Disable pin for active power management
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Embedded system timing references
• Digital circuit synchronization

Procurement Notes

Verify the specific frequency suffix (1.664) against design requirements to ensure accurate clock speed. Confirm the 1.8V operating voltage matches the target system's power rail. Ensure the 4-SMD no-lead footprint aligns with the PCB layout specifications. Check for any specific handling or storage conditions required for quartz components.

Selection Notes

Select this model when a low-voltage 1.8V supply is available and LVCMOS outputs are required. The small 2.0x1.6mm package is suitable for space-constrained designs. Consider the Enable/Disable feature if power efficiency during idle states is a priority. Verify that the 1.664 MHz frequency meets the system's timing constraints.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The 'OE' suffix typically denotes the Enable/Disable functionality. These components are part of Mercury's broader portfolio of quartz crystals and timing devices used in consumer and industrial electronics.

Replacement Considerations

Direct substitutes must match the 1.664 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before substitution. Cross-reference with other manufacturers offering similar SMD oscillators.