Manufacturer Part Number
DS1302Z+
Manufacturer
Analog Devices
Introduction
DS1302Z+ is a trickle-charge timekeeping chip containing a real-time clock/calendar and 31 bytes of static RAM.
Product Features and Performance
Real-time clock/calendar functionality
Features leap year compensation
Non-volatile SRAM for data storage
Trickle-charge capability to maintain timekeeping in the event of primary power failure
Low power consumption
Product Advantages
Maintains accurate time for long periods with minimal power consumption
Provides reliable data retention through NVSRAM
Supports trickle-charge to extend the battery life
Key Technical Parameters
Trickle-Charger feature for maintaining charge in battery-backed applications
31 bytes NVSRAM for data storage
Time Format: HH:MM:SS (12/24 hour format)
Date Format: YY-MM-DD-dd
3-Wire Serial interface for communication
Voltage - Supply range of 2V ~ 5.5V
Battery voltage support of 2V ~ 5.5V
Current - Timekeeping (Max) between 0.3µA ~ 1µA @ 2V ~ 5V
Operating Temperature range from 0°C to 70°C
Quality and Safety Features
Built to high manufacturing standards of Analog Devices
Robust operating temperature range ensuring stability across various environments
Compatibility
Compatible with many microcontrollers via 3-wire serial interface
8-SOIC package allows for general compatibility with standard PCB layouts
Application Areas
Consumer electronics
Embedded systems
Industrial timekeeping
Security systems
Data logging devices
Product Lifecycle
Currently listed as active
No immediate indication of discontinuation
Future replacements or upgrades would likely follow the DS1302 base product number
Several Key Reasons to Choose This Product
High reliability in timekeeping
Extended battery life features with trickle-charge support
Robust design suitable for a wide range of applications
Low power consumption suitable for battery-powered devices
Ease of use with a simple 3-wire serial interface
General compatibility in electronic designs due to common 8-SOIC packaging
Consistent product support and availability from Analog Devices