18QHTF21-77.996-OE

Overview

The 18QHTF21-77.996-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 77.996 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package. The component supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.

Feature Summary

• Standard XO configuration with LVCMOS output
• Low voltage operation at 1.8V
• Enable/Disable control capability
• Compact surface-mount package

Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Procurement Notes

Verify the specific suffix (OE) against official Mercury Electronics documentation to confirm the enable/disable functionality and exact electrical parameters. Ensure the required frequency tolerance and temperature range align with the target application requirements before finalizing procurement.

Selection Notes

Select this component when a low-voltage, standard-frequency oscillator with control capabilities is required. Consider the 4-SMD package size for space-constrained designs. Verify compatibility with the 1.8V logic levels of the receiving circuitry.

Part Context

This part belongs to the Mercury Electronics SMD oscillator series designed for general-purpose clocking applications. The 18QHTF21 series typically offers standard performance metrics suitable for consumer and industrial electronics requiring precise timing signals.

Replacement Considerations

Cross-reference with other Mercury Electronics models sharing the same footprint and electrical specifications. Ensure any substitute matches the 77.996 MHz frequency, LVCMOS output, and 1.8V supply requirements.