18QHTF21-16.3574-PD

Oscillators Overview

The 18QHTF21-16.3574-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 16.3574 MHz and utilizes LVCMOS output logic levels. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. Electrical operation requires a supply voltage of 1.8V. A key functional characteristic is the inclusion of a standby mode, which allows for power down capabilities to reduce energy consumption when the oscillator is not actively driving the load circuit.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby power down capability
• Compact 4-SMD no lead surface mount package

Oscillators Applications

• General purpose clock signal generation in digital circuits
• Timing reference for microcontroller systems
• Data communication interface synchronization

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 PCB footprint matches the 4-SMD no lead package dimensions specified in the official datasheet. Check for any RoHS compliance documentation if required by the manufacturing environment.

Oscillators Selection Notes

Select this component when a precise 16.3574 MHz timing source is required with low power consumption features. The LVCMOS output is suitable for direct interfacing with standard CMOS logic inputs. Consider the standby feature for battery-powered or energy-sensitive applications. Evaluate the physical size constraints of the 4-SMD package against available board space.

Oscillators Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronic. The series typically offers various frequencies within a standardized surface mount form factor. The 'PD' suffix likely indicates specific packaging or tape-and-reel configuration details as per manufacturer conventions. These devices are commonly used in consumer electronics and industrial control systems requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes must match the 16.3574 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no lead package. Verify pin compatibility and thermal characteristics. Cross-reference with other manufacturers offering identical electrical specifications and mechanical dimensions to ensure interchangeability without circuit modification.