18QHTF21-86.996875-PD

Overview

The 18QHTF21-86.996875-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 86.996875 MHz with a frequency stability of ±50 ppm. The device utilizes LVCMOS output logic and supports a supply voltage of 1.8V. It features a standby or power-down function for energy management. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This oscillator is designed for timing applications requiring precise clock signals within the specified electrical parameters.

Feature Summary

• Operates as a standard XO with LVCMOS output logic
• Includes standby and power-down functionality
• Compact 4-SMD No Lead surface mount package

Applications

• General timing circuits requiring 86.996875 MHz reference
• Embedded systems utilizing 1.8V logic levels
• Portable electronics due to low profile package

Procurement Notes

Verify the specific ordering suffix and frequency tolerance against project requirements before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD No Lead package footprint matches the PCB layout. Check for any specific handling instructions related to the surface mount technology used in this component series.

Selection Notes

Select this model when an 86.996875 MHz clock signal is required with ±50 ppm stability. Consider the 1.8V operating voltage constraint for compatibility with low-power digital interfaces. The small 2.0x1.6 mm package is suitable for space-constrained designs. Verify that LVCMOS output swing meets the input requirements of the receiving logic gates.

Part Context

This part belongs to the Mercury QHTF series of crystal oscillators. The series offers various frequencies and supply voltages. Mercury Electronics specializes in quartz crystals and timing devices. The company has been manufacturing frequency control products since 1973. This specific model represents a standard XO variant within their portfolio.

Replacement Considerations

Direct substitutes include other 86.996875 MHz XO models from Mercury with identical pinout and voltage. Cross-reference with similar 4-SMD No Lead oscillators if Mercury stock is unavailable. Ensure replacement parts match the LVCMOS output type and 1.8V supply requirement.