18QHTF21-16.89458-PD

Oscillators Overview

The 18QHTF21-16.89458-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 16.89458 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and features a power-down capability via a standby control input. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• General-purpose clock generation
• Embedded systems requiring low-power oscillators
• Compact electronic devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail is stable to maintain signal integrity. Confirm that the 4-SMD no-lead package footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for absolute maximum ratings to prevent damage during assembly or operation.

Oscillators Selection Notes

Select this component when a precise 16.89458 MHz reference is required in space-constrained applications. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the LVCMOS compatibility with your target microcontroller or FPGA I/O standards. The integrated standby feature allows for dynamic power savings in battery-operated devices.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various frequencies within a small 2.0x1.6 mm package. Mercury Electronics has been a pioneer in the Taiwan quartz industry since 1973, providing reliable timing solutions for global electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 16.89458 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications such as phase noise and jitter if critical to the application.