18QHTF21-75.575-OE

Overview

The 18QHTF21-75.575-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.575 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Features an enable/disable pin to manage power consumption states
• Utilizes a leadless SMD package for surface-mount assembly efficiency

Applications

• General purpose clock signal generation in embedded systems
• Timing reference for microprocessors and FPGAs
• Data communication interfaces requiring stable clock sources

Procurement Notes

Verify the specific frequency suffix matches the required 75.575 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint corresponds to the PCB layout requirements. Check datasheet details for operating temperature range compliance.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The small 2.0x1.6mm footprint makes it suitable for dense board layouts. Consider the enable/disable feature if power management during idle states is necessary for the application.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-voltage crystal oscillators. The series typically offers various frequencies within a standardized small outline package. These components are commonly used in consumer electronics and portable devices where size and power efficiency are critical constraints.

Replacement Considerations

Direct substitutes must match the 75.575 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before substitution.