18QHTF21-17.547264-OE

Oscillators Overview

The 18QHTF21-17.547264-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 17.547264 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly. The component supports an operating temperature range of -40°C to 85°C and exhibits a frequency stability of ±50ppm. The maximum supply current is specified at 21mA.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable control functionality
• Designed for surface-mount technology with a leadless SMD package

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for digital communication interfaces
• Clock source for microcontrollers and processors requiring 1.8V operation

Oscillators Procurement Notes

Verify the specific suffix 'OE' corresponds to the required enable/disable pin configuration and LVCMOS output type. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead footprint matches the PCB land pattern design. Check RoHS compliance status if environmental regulations apply to the final assembly.

Oscillators Selection Notes

Select this component when a precise 17.547264 MHz clock is required for 1.8V logic circuits. Consider the ±50ppm stability requirement against system timing tolerances. Evaluate the 21mA current consumption against power budget constraints. Verify thermal performance within the -40°C to 85°C range for the intended operating environment.

Oscillators Part Context

This part belongs to the QHTF series of clock oscillators from Mercury Electronic. The series offers various frequencies and voltage options. Mercury Electronic is a manufacturer specializing in quartz crystals and frequency control products, including TCXOs and VCXOs, with a history dating back to 1973.

Oscillators Replacement Considerations

Cross-reference other parts in the 18QHTF21 series for different frequencies or voltages. Verify compatibility with alternative suppliers offering identical 4-SMD LVCMOS oscillators at 17.547264 MHz with matching electrical specifications.