Manufacturer Part Number
DS1338Z-33+
Manufacturer
Analog Devices
Introduction
The DS1338Z-33+ is a real-time clock (RTC) IC with I2C interface.
Product Features and Performance
Clock/Calendar functionality
Supports Leap Year and NVSRAM
Provides Square Wave Output
56 Bytes of NVSRAM
I2C, 2-Wire Serial Interface
Supports 12 or 24-hour time format
YY-MM-DD-dd date format
Product Advantages
Accurate timekeeping with low power consumption
Non-volatile storage for critical data
Simple integration with microcontrollers over I2C
Key Technical Parameters
Memory Size: 56 Bytes
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Voltage - Supply: 3V ~ 5.5V
Voltage - Supply, Battery: 1.3V ~ 3.7V
Current - Timekeeping (Max): 125µA ~ 200µA @ 3.63V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust performance over wide temperature range
Long-term reliability for critical applications
Compatibility
Compatible with I2C, 2-Wire Serial Interface specification
Application Areas
Embedded systems
Consumer electronics
Industrial applications
Telecommunication
Networking
Product Lifecycle
Active product not nearing discontinuation
Replacement and upgrade options available
Several Key Reasons to Choose This Product
High reliability and stability over temperature variations
Low-power consumption for energy-sensitive applications
Easy integration with most microcontroller systems
Availability of non-volatile memory for critical data retention
Support for both 12-hour and 24-hour time formats
Operational in a broad range of supply voltages
Extended product lifecycle ensuring long-term availability