RTC-7301SF:B3 ROHS

Real Time Clock Overview

The RTC-7301SF:B3 is a 4-bit Real Time Clock module manufactured by Epson. It operates within a voltage range of 2.4 to 5.5 volts and maintains an accuracy of plus or minus 23 parts per million. The component functions reliably across an extended temperature range from -40 degrees Celsius to +85 degrees Celsius. It is housed in a 24-pin SSOP package and complies with RoHS directives for environmental safety.

Real Time Clock Feature Summary

• Integrated real-time clock functionality with calendar, alarm, timer, and interrupt capabilities
• Parallel interface design for direct system connectivity
• RoHS compliant construction ensuring environmental safety standards

Real Time Clock Applications

• General purpose timekeeping in embedded systems
• Data logging devices requiring accurate timestamping
• Industrial control units operating in variable temperatures

Real Time Clock Procurement Notes

This specific part number is officially listed as obsolete and is no longer manufactured by the supplier. Procurement efforts should focus on identifying verified substitute components that meet the original electrical and mechanical specifications. Buyers must confirm availability through authorized channels and verify that replacement units match the required pinout and performance criteria to ensure system compatibility.

Real Time Clock Selection Notes

Engineers selecting this component should prioritize modules with parallel interfaces and similar voltage ranges. The operational temperature span of -40C to +85C is critical for industrial environments. Verify that any alternative device supports the same 4-bit architecture and provides comparable timing accuracy to maintain system integrity without requiring significant circuit redesign.

Real Time Clock Part Context

The RTC-7301SF series represents Epson's line of 4-bit real-time clock modules designed for cost-effective timekeeping applications. These components are engineered for integration into compact electronic systems where precise time measurement is essential. The series typically offers a balance of low power consumption and reliable performance across various consumer and industrial electronics.

Real Time Clock Replacement Considerations

Official substitutes include compatible RTC modules from Epson or other manufacturers offering parallel interface real-time clocks. Ensure replacements match the 24-pin SSOP footprint and 2.4V to 5.5V operating range. Verify that the substitute supports the same functional features such as alarms and interrupts.