18QHTF21-3.93216-PD

Oscillators Overview

The 18QHTF21-3.93216-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 3.93216 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes 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.

Oscillators Feature Summary

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

Oscillators Applications

• Battery-powered portable devices
• Low-power consumer electronics
• General-purpose timing circuits requiring low voltage operation

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the presence of the power-down feature as documented. Ensure the operating temperature range and load capacitance requirements match the target circuit design. Confirm that the 1.8V supply voltage aligns with the system's power rails to prevent malfunction.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V supply is required alongside a precise 3.93216 MHz reference. The inclusion of a power-down mode makes it suitable for applications prioritizing energy efficiency. The small 4-SMD footprint aids in space-constrained board layouts compared to larger oscillator packages.

Oscillators Part Context

Mercury Electronic Ind. Co. Ltd is a Taiwan-based manufacturer specializing in frequency control products since 1973. The company produces quartz crystals, clock oscillators, TCXOs, and VCTCXOs. This part belongs to their line of standard XO oscillators designed for various electronic timing applications.

Oscillators Replacement Considerations

Check datasheets for compatible parts from other manufacturers offering 3.93216 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead packaging. Verify pinout compatibility and electrical specifications before substitution.