Manufacturer Part Number
DS1388Z-33+
Manufacturer
analog-devices
Introduction
The DS1388Z-33+ is a real-time clock component designed to offer precise timekeeping with integrated features such as EEPROM memory and a supervisor function, housed in an 8-SOIC package.
Product Features and Performance
Real-time clock/calendar function
On-chip EEPROM
Leap year compensation
Built-in supervisor for monitoring system viability
Trickle-charger for battery backup
Watchdog timer for system reset under fault conditions
Product Advantages
Comprehensive timekeeping features
High integration reduces component count and system cost
On-board EEPROM provides convenient non-volatile storage
Extended operating temperature range suitable for industrial applications
Key Technical Parameters
Memory Size: 512B
Time Format: HH:MM:SS:hh (12/24 hr)
Date Format: YY-MM-DD-dd
Interface: I2C, 2-wire serial
Voltage Supply: 2.97V ~ 3.63V
Voltage Supply, Battery: 1.3V ~ 5.5V
Current Timekeeping (Max): 150µA at 2.97V ~ 3.63V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Integrated power-on reset
Automatic backup to battery in event of power failure
Compatibility
Compatible with standard I2C 2-wire serial interfaces
Works seamlessly with microcontrollers for system integration
Application Areas
Telecommunications
Embedded Systems
Industrial control systems
Consumer electronics
Product Lifecycle
Status: Active
Not nearing discontinuation; replacements available
Several Key Reasons to Choose This Product
High reliability and extended operational temperature suitable for harsh environments
Low power consumption enhances battery life in portable applications
Provides essential timekeeping features combined with extra system monitoring and memory capabilities
Easy integration with existing systems via I2C interface
Robust package suited for various mounting needs in different applications