18QHTF21-18.192-PD

Oscillators Overview

The 18QHTF21-18.192-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 18.192 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated standby mode to reduce power consumption
• Low voltage operation at 1.8V supply
• Surface-mount 4-SMD no lead package design

Oscillators Applications

• General clock signal generation for digital circuits
• Embedded systems requiring stable timing references
• Consumer electronics with low power constraints
• Industrial control modules needing precise frequency sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout specifications. Check for any additional environmental ratings if operating in extreme conditions.

Oscillators Selection Notes

Select this component when a stable 18.192 MHz clock source is required with minimal power usage. The LVCMOS output ensures direct interfacing with standard logic families without level shifting. Consider the 1.8V operating voltage for compatibility with modern low-voltage microcontrollers and processors. The compact SMD package aids in space-constrained designs.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and low voltage operation. Mercury Electronic Ind. Co., Ltd. is a recognized manufacturer of frequency control products, including crystals and oscillators, with a long history in the industry.

Oscillators Replacement Considerations

Direct substitutes may include other 18.192 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before substitution. Consult official cross-reference lists from Mercury Electronics for approved replacements.