EM3027IDSSO8B+

Real Time Clock Overview

The EM3027IDSSO8B+ is a Real Time Clock (RTC) IC manufactured by EM Microelectronic, housed in an 8-SOIC package. It supports I2C and SPI interfaces for clock/calendar data access. The device operates within a supply voltage range of 1.4V to 5.5V and functions across an industrial temperature range of -40°C to +125°C. Key specifications include 8 bytes of memory for timekeeping and integrated features such as alarm capabilities, leap year compensation, and non-volatile storage.

Real Time Clock Feature Summary

• Integrated crystal temperature compensation for enhanced accuracy
• Supports both I2C and SPI communication protocols
• Includes built-in EEPROM and RAM for data retention
• Features automatic leap year calculation

Real Time Clock Applications

• Industrial systems requiring precise timekeeping in extreme temperatures
• Low-power embedded devices with battery backup
• Data logging equipment needing calendar synchronization
• Consumer electronics utilizing RTC functionality

Real Time Clock Procurement Notes

Verify the specific ordering suffix matches the required package and temperature grade. Confirm interface compatibility with the host system's I2C or SPI controller. Ensure supply voltage levels align with the 1.4V to 5.5V operational range. Check for lead-free status if RoHS compliance is mandatory for the assembly process.

Real Time Clock Selection Notes

Select this component when both I2C and SPI interfaces are needed for flexibility. Consider the wide operating voltage range for variable power environments. The integrated temperature compensation reduces the need for external calibration. Verify that the 8-byte memory size meets the specific timekeeping requirements of the application design.

Real Time Clock Part Context

This part belongs to the EM3027 series of real-time clocks from EM Microelectronic. It is designed for applications requiring accurate timekeeping with minimal external components. The SOIC-8 package provides a compact solution for space-constrained designs while maintaining robust performance across industrial temperature ranges.

Real Time Clock Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify pinout and interface compatibility before considering alternative RTC solutions from other manufacturers.