18QHTF21-33.320-PD

Oscillators Overview

The 18QHTF21-33.320-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 33.32 MHz and utilizes LVCMOS output logic. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. It supports a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption during inactive periods. This component is engineered for stable clock signal generation in digital circuits requiring precise timing synchronization.

Oscillators Feature Summary

• Supports low voltage operation with integrated power-down functionality
• Provides standard LVCMOS output logic for digital interface compatibility
• Utilizes a leadless surface-mount package design for automated assembly

Oscillators Applications

• Battery-powered portable electronic devices
• Digital communication systems requiring precise clock synchronization
• Embedded control units utilizing low-voltage logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design specifications before procurement. Confirm that the 1.8V supply rail can maintain stable operation under all expected load conditions. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a low-profile surface-mount oscillator is required for space-constrained designs. The 1.8V supply requirement makes it suitable for modern low-power digital systems. Consider the LVCMOS output compatibility with your target microcontroller or FPGA I/O standards. Evaluate the thermal performance and operating temperature range to ensure reliability within your specific environmental constraints.

Oscillators Part Context

Mercury Electronics has a long history in frequency control products, pioneering quartz crystal manufacturing in Taiwan. The 18QHTF21 series represents their transition to surface-mount technologies, expanding frequency ranges from kilohertz to hundreds of megahertz. This model fits within their portfolio of precision timing solutions designed for industrial and consumer electronics applications.

Oscillators Replacement Considerations

Cross-reference compatible oscillators from other manufacturers offering identical 33.32 MHz frequencies, 1.8V supply voltages, and LVCMOS outputs. Verify that any substitute part maintains the same 4-SMD No Lead package dimensions and pinout configuration to ensure direct board-level interchangeability without redesigning the footprint.