18QHTF21-45.835555-PD

Oscillators Overview

The 18QHTF21-45.835555-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 45.835555 MHz with an LVCMOS output logic level. The device functions on a 1.8V supply voltage and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Standard crystal oscillator design

Oscillators Applications

• Digital signal processing circuits
• Communication equipment timing
• Microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package dimensions fit within your PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge protection during assembly.

Oscillators Selection Notes

Select this component when a precise 45.835555 MHz clock signal is required with low power consumption capabilities. The LVCMOS output ensures compatibility with standard digital logic families. Consider the standby feature if power efficiency is critical. Verify that the operating temperature range meets your environmental specifications.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a small SMD package. The series is designed for general-purpose timing applications where size and power are considerations. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable frequency control products.

Oscillators Replacement Considerations

Direct replacements must match the 45.835555 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Cross-reference with other manufacturers offering similar XO specifications. Ensure pinout compatibility and thermal characteristics are equivalent.