Manufacturer Part Number
DS1302SN+
Manufacturer
Maxim Integrated
Introduction
Real-Time Clock (RTC) IC with Non-Volatile RAM (NVSRAM) and Trickle-Charger
Product Features and Performance
Integrated Real-Time Clock (RTC) with calendar function
31-byte Non-Volatile SRAM (NVSRAM) for data storage
Trickle-Charger circuit for backup battery
Leap year function
3-wire serial interface
Supported date formats: YY-MM-DD-dd
Supported time formats: HH:MM:SS (12/24 hour)
Low power consumption: 0.3µA ~ 1µA @ 2V ~ 5V
Product Advantages
Reliable timekeeping with built-in backup battery trickle-charger
Non-volatile SRAM for data storage
Simple 3-wire serial interface
Wide operating temperature range: -40°C to 85°C
RoHS3 compliant
Key Technical Parameters
Supply voltage: 2V to 5.5V
Timekeeping current: 0.3µA ~ 1µA @ 2V ~ 5V
Package: 8-SOIC (0.209", 5.30mm Width)
Mounting type: Surface Mount
Quality and Safety Features
RoHS3 compliant
Automotive-grade quality and reliability
Compatibility
Compatible with a wide range of microcontrollers and embedded systems with a 3-wire serial interface.
Application Areas
Real-time clocks in industrial equipment
Time-stamping in data logging systems
Calendar and timekeeping in consumer electronics
Backup clock in automotive electronics
Product Lifecycle
This product is an active and commonly used real-time clock IC. Maxim Integrated continues to support and manufacture the DS1302SN+ model, and there are no plans for discontinuation. Replacement and upgrade options are available from Maxim Integrated and other manufacturers.
Key Reasons to Choose This Product
Reliable and accurate timekeeping with built-in backup battery trickle-charger
Non-volatile SRAM for easy data storage and retrieval
Simple 3-wire serial interface for easy integration into various systems
Wide operating temperature range for use in diverse environments
Automotive-grade quality and RoHS3 compliance for industrial and commercial applications
DS1302SN+TRAnalog Devices / Maxim Integrated