Manufacturer Part Number
DS1308U-18+T
Manufacturer
Maxim Integrated
Introduction
The DS1308U-18+T is a real-time clock (RTC) integrated circuit that provides timekeeping, calendar, and NVSRAM functions.
Product Features and Performance
Provides timekeeping, calendar, and NVSRAM functions
Supports leap year
Offers square wave output
Low power operation with timekeeping current of 100 μA at 1.89 V to 5.5 V
Operates at supply voltages from 1.71 V to 5.5 V
Provides 56 bytes of NVSRAM
Communicates through a 2-wire serial interface
Supports 12/24 hour time format
Provides YY-MM-DD-dd date format
Operates over the temperature range of -40°C to 85°C
Product Advantages
Compact size with 8-uMAX/uSOP package
Low power consumption
Integrated NVSRAM for data storage
Supports a wide range of supply voltages
Wide temperature operating range
Key Technical Parameters
Manufacturer Part Number: DS1308U-18+T
Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C to 85°C
Voltage Supply: 1.71 V to 5.5 V
Voltage Supply, Battery: 1.3 V to 5.5 V
Current Timekeeping (Max): 100 μA at 1.89 V to 5.5 V
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Memory Size: 56 bytes
Interface: 2-Wire Serial
Quality and Safety Features
RoHS3 compliant
Compatibility
The DS1308U-18+T is compatible with a wide range of electronic systems that require real-time clock and calendar functions.
Application Areas
Industrial automation
Embedded systems
Consumer electronics
Portable devices
Product Lifecycle
The DS1308U-18+T is an active product and is not nearing discontinuation.
Replacements and upgrades may be available, but the specific details would need to be checked with the manufacturer.
Key Reasons to Choose This Product
Low power consumption for extended battery life
Integrated NVSRAM for data storage
Wide operating voltage and temperature ranges
Compact size and surface mount package
Leap year support and square wave output
Reliable 2-wire serial interface for easy integration