18QHTF21-16.28571-PD

Oscillators Overview

The 18QHTF21-16.28571-PD is a 16.28571 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The component features a Standby function for power down control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output logic levels
• Includes standby mode capability for power management
• Designed for surface mount assembly applications

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded microcontroller timing sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target circuit design. Confirm that the 4-SMD no-lead package footprint matches the PCB layout specifications to prevent assembly errors during manufacturing.

Oscillators Selection Notes

Select this component when a precise 16.28571 MHz reference is required for low-voltage digital circuits. The choice depends on the necessity for LVCMOS compatibility and the availability of a 1.8V power rail. Consider the physical size constraints of the 2.0x1.6mm package relative to other available oscillator options in the same series.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, which specializes in frequency control products. The series typically includes various standard frequencies with consistent electrical characteristics and packaging. Mercury Electronics is recognized as a pioneer in the quartz crystal industry in Taiwan, providing reliable timing solutions since 1973.

Oscillators Replacement Considerations

Direct substitutes include other parts within the 18QHTF21 series offering the same 16.28571 MHz frequency, such as variants from different manufacturers with compatible LVCMOS outputs and 1.8V operation. Verify pinout and thermal characteristics before substitution.