18QHTF21-45.550-PD

Oscillators Overview

The 18QHTF21-45.550-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 45.55 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby and power-down functionality
• Delivers LVCMOS output signal compatibility

Oscillators Applications

• General clock signal generation for electronic circuits
• Timing reference for digital systems requiring 45.55 MHz
• Compact embedded applications utilizing SMD packaging

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical specifications to guarantee operational reliability.

Oscillators Selection Notes

Select this component when a precise 45.55 MHz timing source is required within space-constrained designs. The choice is driven by the need for LVCMOS interface compatibility and low-power standby capabilities. Consider the physical dimensions of the 2.0x1.6mm package for board real estate optimization. Validate that the operating temperature range meets environmental conditions.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, designed for standard clocking applications. The model number indicates the specific frequency and package type. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for various industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 45.55 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics. Consult official replacement lists from Mercury Electronics for confirmed equivalent part numbers.