Manufacturer Part Number
DS1390U-33
Manufacturer
Maxim Integrated
Introduction
Real-time clock (RTC) integrated circuit (IC) with alarm, trickle-charger, and square wave output
Product Features and Performance
Operates in the temperature range of -40°C to 85°C
Supports 12-hour and 24-hour time formats
Provides year, month, date, day, hour, minute, and second information
Features leap year correction
Includes alarm functionality
Offers square wave output
Supports trickle-charging of a backup battery
Product Advantages
Wide operating temperature range
Versatile time and date functionality
Alarm and square wave output capabilities
Trickle-charger for backup battery
Key Technical Parameters
Supply voltage: 2.97V to 5.5V
Backup battery voltage: 1.3V to 5.5V
Maximum timekeeping current: 175μA
Quality and Safety Features
RoHS non-compliant
Compatibility
Surface mount package: 10-TFSOP, 10-MSOP
Mounting type: Surface mount
Application Areas
Real-time clock applications
Embedded systems
Industrial automation
Consumer electronics
Product Lifecycle
Base product number: DS1390
No information on discontinuation or availability of replacements/upgrades
Several Key Reasons to Choose This Product
Wide temperature range support
Comprehensive time and date functionality
Alarm and square wave output features
Trickle-charger for backup battery
Surface mount package compatibility