18QHTF21-31.980-PD

Oscillators Overview

The 18QHTF21-31.980-PD is a 31.98 MHz crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a supply voltage of 3.3V and utilizes LVCMOS output logic. The device features a power-down function for standby mode control. It is housed in a surface-mount package with dimensions of 3.2mm x 2.5mm, designated as 4-SMD, No Lead.

Oscillators Feature Summary

• Supports standard frequency output at 31.98 MHz
• Integrates power-down capability for energy management
• Utilizes LVCMOS logic interface for digital compatibility

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Oscillators Procurement Notes

Verify the specific operating voltage requirement against the target circuit design, as this component is specified for 3.3V operation. Confirm that the PCB footprint matches the 3.2x2.5mm SMD package dimensions to ensure mechanical compatibility during assembly. Check for RoHS compliance status if environmental regulations apply to the final product manufacturing process.

Oscillators Selection Notes

Select this component when a precise 31.98 MHz reference is required for systems powered by 3.3V rails. Consider the power-down feature if dynamic power management is necessary for battery-operated or low-power applications. Ensure the LVCMOS output swing aligns with the input requirements of the connected microcontroller or FPGA.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. has a history dating back to 1973, specializing in frequency control products. They are recognized as a pioneer in quartz crystal manufacturing in Taiwan. The company expanded from lead-type components to surface-mount technologies, covering frequencies from kilohertz to hundreds of megahertz.

Oscillators FAQ

Does the -PD suffix indicate a specific electrical characteristic?

The -PD suffix denotes the inclusion of a Power Down pin or function, allowing the oscillator to be disabled to reduce current consumption.

What is the output logic type for this oscillator?

The 18QHTF21-31.980-PD uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.