18QHTF21-75.570-OE

Overview

The 18QHTF21-75.570-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 75.57 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature 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 within specified operating temperature ranges.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features enable/disable pin for active power management
• Utilizes a low-profile 4-SMD no-lead surface mount package

Applications

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

Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm exact electrical tolerances and temperature range specifications. Ensure the ordering part number matches the required frequency and package variant. Cross-reference with authorized distributors to confirm current availability and authenticity. Request detailed datasheets for thermal and electrical performance validation prior to integration into final designs.

Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS output are required for space-constrained designs. The 2.0x1.6mm footprint suits high-density PCB layouts. Confirm that the 75.57 MHz frequency aligns with system clock requirements. Evaluate the enable/disable functionality against power consumption constraints. Ensure the operating temperature range meets the environmental conditions of the target application.

Part Context

This oscillator belongs to the Mercury Electronics 18QHTF21 series, which provides standard XO solutions. The series offers various frequencies and package options tailored for consumer and industrial electronics. Mercury Electronics specializes in quartz crystals and oscillators, leveraging decades of manufacturing expertise to produce reliable timing components for global markets.

Replacement Considerations

Direct substitutes must match the 75.57 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical parameters before substitution. Consult manufacturer cross-reference lists for approved alternatives. Generic replacements may differ in phase noise or stability characteristics.