18QHTF21-84.4032-OE

Overview

The 18QHTF21-84.4032-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 84.4032 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features enable/disable functionality. It is housed in a compact 4-SMD, No Lead package. The component supports an operating temperature range from -40°C to 85°C and maintains a frequency stability of ±50ppm.

Feature Summary

• Provides stable clock signals at 84.4032 MHz using LVCMOS output interface
• Includes hardware enable and disable control for power management
• Designed for industrial temperature environments ranging from -40°C to 85°C

Applications

• Digital signal processing systems requiring precise timing references
• Communication equipment utilizing standard clock frequencies
• Embedded systems needing low-voltage oscillator solutions

Procurement Notes

Verify the exact suffix against official Mercury Electronics documentation to confirm pinout and electrical specifications. Ensure the selected variant matches the required supply voltage and output load conditions. Cross-reference the part number with authorized distributors to guarantee authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when a 1.8V supply and LVCMOS output are required for space-constrained designs. Consider the ±50ppm stability specification against system jitter requirements. Evaluate the 4-SMD package dimensions for PCB layout compatibility. Confirm that the operating temperature range meets the environmental constraints of the target application.

Part Context

This oscillator belongs to the Mercury Electronics 18QHTF series, which focuses on low-voltage surface-mount timing solutions. The series typically offers various frequency options within a standardized footprint. Mercury Electronics specializes in quartz-based frequency control products, providing reliable timing components for consumer and industrial electronics markets.

Replacement Considerations

Direct substitutes must match the 84.4032 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify thermal characteristics and stability ratings align with the original design. Consult manufacturer cross-reference lists for equivalent parts from other suppliers.