18QHTF21-32.775-PD

Oscillators Overview

The 18QHTF21-32.775-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a standard frequency of 32.775 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications. This component is designed for precise timing requirements in electronic circuits.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode to reduce power consumption
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Digital clock signal generation
• Microcontroller timing references
• Low-power embedded systems

Oscillators Procurement Notes

Verify the specific ordering suffix and frequency tolerance against project requirements before purchase. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD package footprint matches the PCB design guidelines. Check for any specific handling instructions regarding electrostatic discharge protection during assembly.

Oscillators Selection Notes

Select this component when a low-profile, surface-mount oscillator is required for 32.775 MHz applications. Consider the 1.8V operating voltage and LVCMOS output compatibility with downstream logic. Evaluate the need for a standby feature to meet power efficiency targets. Compare physical dimensions against available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF series of crystal oscillators from Mercury Electronics. The series offers various frequencies and packages. The 18QHTF21 variant specifically denotes the 4-SMD form factor. These components are commonly used in consumer electronics and industrial equipment requiring stable clock sources.

Oscillators Replacement Considerations

Direct substitutes must match the 32.775 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical specifications such as load capacitance and drive strength. Consult manufacturer cross-reference lists for approved alternatives.