18QHTF21-33.720-PD

Oscillators Overview

The 18QHTF21-33.720-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 33.72 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports Low Voltage Complementary Metal Oxide Semiconductor (LVCMOS) output logic for digital interfacing.
• Includes a dedicated Standby or Power Down pin to reduce power consumption when not in use.

Oscillators Applications

• Clock signal generation for low-voltage digital circuits
• Timing reference for portable electronic devices requiring power management
• Embedded systems utilizing LVCMOS-compatible interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's specifications. Confirm that the PCB footprint matches the 4-SMD, No Lead package dimensions of 2.0 x 1.6 mm to ensure proper soldering and mechanical fit during assembly.

Oscillators Selection Notes

Select this component when a precise 33.72 MHz timing source is required for LVCMOS logic families. The integrated power-down feature makes it suitable for battery-operated applications where energy efficiency is critical. Ensure the operating temperature range aligns with the environmental conditions of the target application.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry. This series typically offers standard oscillators with various frequencies and supply voltages, catering to diverse consumer and industrial electronics needs.

Oscillators Replacement Considerations

Direct substitutes within the same series include other frequencies such as 18QHTF21-51.200-PD or 18QHTF21-68.665-PD if the frequency requirement differs. Ensure any replacement maintains the 1.8V supply voltage, LVCMOS output type, and identical 4-SMD package dimensions for compatibility.

Oscillators FAQ

What is the output logic type for the 18QHTF21-33.720-PD?

The output logic type is LVCMOS (Low Voltage Complementary Metal Oxide Semiconductor).

Does this oscillator support power saving modes?

Yes, it includes a Standby (Power Down) function to reduce power consumption when the device is not actively transmitting clock signals.