Manufacturer Part Number
DS1302SN
Manufacturer
Analog Devices
Introduction
The DS1302SN is a serial real-time clock (RTC) with a built-in trickle charger.
Product Features and Performance
Clock/Calendar functionality
Supports leap year and NVSRAM
Trickle charger for battery backup
Memory Size of 31 Bytes
HH:MM:SS time format, 12/24 hour mode
YY-MM-DD-dd date format
3-Wire Serial Interface
Product Advantages
Low power consumption
Integrated NVSRAM for backup storage
Automatic leap year correction
Simple serial interface for easy integration
Key Technical Parameters
Voltage Supply range from 2V to 5.5V
Battery voltage Supply range from 2V to 5.5V
Timekeeping current between 0.3µA and 1µA
Operating temperature from -40°C to 85°C
Quality and Safety Features
Robust operational temperature range ensures reliability
Compatibility
Compatible with 3-Wire Serial communication interfaces
Surface Mount 8-SOIC device package aligns with standard PCB designs
Application Areas
Embedded systems
Consumer electronics
Office electronic equipment
Data loggers
Product Lifecycle
Obsolete status indicates end of life, with diminishing availability
Replacement or upgrade options may be limited or require redesign
Several Key Reasons to Choose This Product
Provides precise timekeeping for applications requiring clock/calendar functions
Integrated power supply and trickle charger minimize additional components
Low-power consumption makes it ideal for battery-powered devices
Versatile interface accommodates various microcontroller configurations
Surface mount package enables compact and sleek designs