RTC-4543SB:A
- Mfr.Part #
- RTC-4543SB:A
- Manufacturer
- Epson
- Package / Case
- 18-SOIC (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR SER 18-SOP
- Stock
- 29,038
- In Stock :
- 29,038
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- Manufacturer :
- Epson
- Product Category :
- Real Time Clocks
- Mounting Type :
- Surface Mount
- Voltage - Supply :
- 2.5V~5.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 18-SOIC (0.209, 5.30mm Width)
- Mount :
- Surface Mount
- Max Operating Temperature :
- 85°C
- RoHS Status :
- Non-RoHS Compliant
- Interface :
- 3-Wire Serial
- Supplier Device Package :
- 18-SOP
- Current - Timekeeping (Max) :
- 1μA~3μA @ 2V~5V
- Min Operating Temperature :
- -40°C
- Type :
- Clock/Calendar
- Feature :
- Leap Year
- Packaging :
- Bulk
- Operating Temperature :
- -40°C~85°C
- Date Format :
- YY-MM-DD-dd
- Time Format :
- HH:MM:SS (24 hr)
- Datasheets
- RTC-4543SB:A

Real Time Clocks Epson RTC-4543SB:A Overview
The Epson RTC-4543SB:A is a high-performance integrated circuit specifically designed for real-time clock (RTC) and calendar functions. Engineered by Epson, a leader in precision timekeeping technology, this IC offers robust serialization and a comprehensive feature set that ensures reliable time tracking and data management in a variety of applications. Its compact 18SOP package makes it ideal for integrating into space-constrained environments, while maintaining high accuracy and low power consumption. This overview explores the Real Time Clocks Epson RTC-4543SB:A, a key component for developers and manufacturers looking to incorporate precise timekeeping into their systems.
RTC-4543SB:A Features
The RTC-4543SB:A includes several key features that make it a preferred choice for advanced timekeeping:
- Accurate Clock/Calendar Functionality: Maintains time with precision, including hours, minutes, seconds, days, months, and years.
- Serial Interface: Offers a simple and efficient serial communication interface for easy integration with microcontrollers and other digital systems.
- Low Power Consumption: Designed for battery-powered applications, ensuring minimal power drain and longer operational life.
- Automatic Leap Year Compensation: Accurately adjusts for leap years up to the year 2099, providing long-term reliability without manual adjustments.
- Compact Form Factor: The small 18SOP package allows for integration into tight spaces without sacrificing performance.
RTC-4543SB:A Applications
- Consumer Electronics: Utilized in devices like digital cameras, smart watches, and portable media players to manage system time and operational logs.
- Industrial Systems: Key component in time-sensitive industrial equipment for logging events and ensuring synchronized operations.
- Telecommunication: Deployed in network infrastructure to maintain accurate timing across various communication protocols and systems.
- Healthcare Devices: Used in medical monitoring systems to timestamp patient data and ensure precise coordination of care schedules.
- Automotive: Integrated into automotive systems for time-stamping and logging events in navigation units and telematics.
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