18QHTF21-70.656-OE

Overview

The 18QHTF21-70.656-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 70.656 MHz and utilizes LVCMOS output logic levels. The device supports 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, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output interface for digital compatibility
• Enable/Disable control functionality
• Compact 4-SMD no lead package

Applications

• Digital signal processing systems
• Communication equipment timing
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix OE against the manufacturer's current datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the 1.8V supply voltage aligns with the target circuit's power rails. Confirm the 4-SMD package dimensions fit the PCB footprint constraints before finalizing procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The enable/disable feature makes it suitable for power-sensitive designs. Verify that the 70.656 MHz frequency meets the system clock requirements and that the small form factor accommodates the available board space.

Part Context

Mercury Electronics Ind. Co. Ltd specializes in quartz crystals and oscillators, including XO, TCXO, and VCXO types. This model belongs to their standard oscillator lineup, providing reliable frequency control solutions for various electronic applications.

Replacement Considerations

Consult official substitution lists or cross-reference tools provided by Mercury Electronics for compatible alternatives. Ensure any replacement matches the 70.656 MHz frequency, 1.8V voltage, LVCMOS output, and 4-SMD package type.