18QHTF21-26.29675-PD

Oscillators Overview

The 18QHTF21-26.29675-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.29675 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a Standby mode for power management capabilities. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby power-down capability
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General clock signal generation
• Digital system timing references
• Embedded processor clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper solder joint formation and mechanical stability during operation.

Oscillators Selection Notes

Select this component when a precise 26.29675 MHz reference is required with low power consumption constraints. The LVCMOS output is compatible with standard digital logic families operating at 1.8V. Consider the thermal characteristics and operating temperature range if the environment exceeds standard commercial limits. Verify that the standby feature meets power efficiency goals.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount crystal oscillators. The series offers various frequency options within a standardized small form factor. Mercury Electronics specializes in quartz frequency control products, including crystals, TCXOs, and OCXOs, providing reliable timing solutions for electronic systems.

Oscillators Replacement Considerations

Direct replacements must match the 26.29675 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check datasheets for equivalent parts from other manufacturers ensuring identical pinout and electrical characteristics to maintain circuit compatibility.