18QHTF21-45.175-PD

Oscillators Overview

The 18QHTF21-45.175-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a standard frequency of 45.175 MHz with an LVCMOS output logic type. The device requires a supply voltage of 1.8V and features a standby (power down) function for energy management. 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
• Includes standby mode capability
• Utilizes LVCMOS output interface

Oscillators Applications

• General electronic timing circuits
• Embedded system clock generation
• Consumer electronics devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and phase jitter specifications against the official datasheet before integration. Confirm that the 1.8V supply rail meets the required stability standards for the LVCMOS output. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions to guarantee proper soldering and electrical connection.

Oscillators Selection Notes

Select this component when a precise 45.175 MHz clock signal is required within space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power digital systems. Consider the standby feature if power efficiency during idle states is a critical design requirement for the application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies with consistent 2.0x1.6mm packaging. The 'PD' suffix indicates the inclusion of a power-down control pin, distinguishing it from continuously running variants within the same physical form factor.

Oscillators Replacement Considerations

Direct substitutes must match the 45.175 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify compatibility of the standby control logic level. Cross-reference with other manufacturers offering identical pinout and electrical characteristics to ensure seamless integration.