18QHTF21-1.3328-OE

Overview

The 18QHTF21-1.3328-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.3328 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control functionality
• Compact 4-SMD no-lead surface mount package design

Applications

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

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 power rails. Ensure the 4-SMD no-lead footprint matches your PCB layout constraints. Request the official datasheet to validate electrical characteristics and operating temperature ranges for your specific application environment.

Selection Notes

Select this component when a low-voltage LVCMOS clock source is required for space-constrained designs. The enable/disable feature allows for power management during idle states. Consider the 1.3328 MHz frequency suitability for your specific baud rate or processing needs. Verify thermal performance within the specified operating temperature range to ensure long-term reliability in the target electronic assembly.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and enable capabilities. These components are designed for general timing applications where stable clock signals are essential. The manufacturer specializes in quartz-based frequency control products, providing reliable timing solutions for consumer and industrial electronics.

Replacement Considerations

Direct substitutes include other 1.3328 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with similar Mercury models such as 18QHTF21 variants offering different frequencies if the exact frequency is not critical.