18QHTF21-44.545-OE

Oscillators Overview

The 18QHTF21-44.545-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.545 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications. The unit supports an operating temperature range from -40°C to 85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

• Supports enable and disable control functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed for surface mount assembly using a leadless SMD package

Oscillators Applications

• Embedded systems requiring precise clock timing
• Consumer electronics with low voltage requirements
• Industrial control modules operating in extended temperatures

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable within the specified limits to ensure accurate operation. Check the datasheet for recommended soldering profiles compatible with the leadless package type to prevent thermal damage during assembly processes.

Oscillators Selection Notes

Select this component when a low-profile surface mount oscillator is required for space-constrained designs. Ensure the system architecture supports LVCMOS signaling levels and provides a dedicated enable pin if power saving modes are utilized. Consider the ±50ppm stability specification against the jitter sensitivity of the target microcontroller or FPGA to guarantee signal integrity under varying environmental conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators produced by Mercury Electronic Ind. Co., Ltd. The series is characterized by small form factors and low voltage operation, catering to modern portable and high-density electronic devices. Mercury Electronics is a recognized manufacturer of frequency control products with extensive experience in quartz crystal technology.

Oscillators Replacement Considerations

Direct substitutes must match the 44.545 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and thermal characteristics to ensure seamless integration without redesigning the PCB layout.