18QHTF21-32.778533-PD

Oscillators Overview

The 18QHTF21-32.778533-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 32.778533 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby and power-down control capabilities
• Features LVCMOS output logic for digital interface compatibility
• Utilizes a small form-factor SMD package

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for microcontrollers and processors
• Low-power embedded system applications

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against the specific application design before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 32.778533 MHz timing source is required within space-constrained designs. The choice is appropriate for systems necessitating low voltage operation and power management features. Consider the LVCMOS output compatibility with downstream digital logic levels. Evaluate the thermal performance and operating temperature range suitability for the intended environmental conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6mm package. These components are engineered for high reliability and stability, serving as fundamental timing elements in modern consumer electronics and industrial control devices requiring compact form factors.

Oscillators Replacement Considerations

Direct substitutes must match the 32.778533 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify equivalent electrical parameters such as frequency stability and phase noise if available. Cross-reference with other manufacturers offering identical pinouts and functional characteristics to ensure seamless integration without redesign.