1553H-32K768J33DTSK

Overview

The 1553H-32K768J33DTSK is a crystal oscillator (XO) manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a frequency of 32.768 kHz and utilizes HCMOS output logic levels. The device is designed for a supply voltage of 3.3V and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package configuration. The component is RoHS compliant and classified under MSL level 1, indicating unlimited sensitivity to moisture. This standard oscillator is intended for precise timing applications requiring low power consumption and stable frequency generation.

Feature Summary

• HCMOS output interface for digital logic compatibility
• Integrated enable and disable functionality for power management
• RoHS compliant construction for environmental safety

Applications

• Real-time clock circuits
• Low-power embedded systems
• Consumer electronics timing references

Procurement Notes

Verify the specific manufacturer datasheet for electrical tolerances and thermal characteristics before integration. Confirm that the 4-SMD no lead package aligns with your PCB footprint requirements. Ensure the 3.3V supply voltage matches your system design constraints. Check for any specific handling instructions related to the HCMOS output drive strength. Validate compliance with project-specific regulatory standards beyond RoHS if applicable.

Selection Notes

Choose this component when a 32.768 kHz reference is required for timekeeping or synchronization tasks. The HCMOS output ensures direct interfacing with microcontrollers without additional buffering. The enable pin allows for dynamic power reduction during idle periods. Consider the physical dimensions of the 4-SMD package against available board space. Verify that the operating temperature range meets the environmental conditions of the end application.

Part Context

This part belongs to the 1553H series of quartz frequency control units produced by Suzhou Hangjing. The company specializes in research and development of such components since 2014. The series typically includes various frequencies and voltage options, such as 5.0V variants. This specific model represents a standard low-frequency oscillator optimized for cost-effective and reliable timing solutions in mass-produced electronic devices.

Replacement Considerations

Cross-reference with other 32.768 kHz HCMOS oscillators in 4-SMD packages. Ensure compatible supply voltage and output logic levels. Verify package dimensions and pinout compatibility for direct substitution. Check equivalent performance metrics such as stability and phase noise if critical to the application.