The Analog Devices / Maxim Integrated DS1305+ is a sophisticated real-time clock (RTC) and calendar integrated circuit designed for industrial control applications, specifically targeting machine safety control systems. This advanced timekeeping device offers comprehensive functionality through its integrated features, making it an essential component for precise timing and scheduling requirements.
The DS1305+ stands out with its robust design, supporting a wide operating temperature range from 0°C to 70°C, which ensures reliable performance in various industrial environments. Its key technological features include a built-in alarm function, leap year calculation support, non-volatile SRAM (NVSRAM), and a trickle-charger, providing versatile timekeeping capabilities.
The device supports multiple time and date formats, including 12/24-hour time representation and YY-MM-DD date configuration. With 96 bytes of memory and an SPI interface, it enables seamless communication and data storage. The component operates across a flexible voltage range of 2V to 5.5V, accommodating diverse power supply requirements.
Designed as a through-hole mounted 16-pin dual in-line package (16-PDIP), the DS1305+ is ideal for applications requiring precise time tracking, such as industrial machinery, control systems, data logging, and safety-critical equipment. Its low power consumption and advanced timekeeping features make it particularly suitable for embedded systems and precision-dependent industrial controls.
Equivalent or alternative models in the market include Maxim's DS1307, Dallas Semiconductor's DS3231, and ST Microelectronics' M41T62, which offer similar real-time clock functionalities with varying specifications.
The product is RoHS compliant, ensuring environmental sustainability and adherence to global electronic component standards. Its comprehensive feature set, robust design, and industrial-grade reliability position the DS1305+ as a premium solution for sophisticated timing and scheduling requirements across multiple technological domains.
DS1305+ Key Technical Attributes
Manufacturer Part Number: DS1305+
Manufacturer: Analog Devices / Maxim Integrated
Category: Industrial Controls > Machine Safety Controllers
DS1305+ Packing Size
The DS1305+ is supplied in a 16-PDIP (Plastic Dual In-line Package) form factor, with a standard 0.300-inch (7.62mm) width for through-hole mounting, making it ideal for prototyping and production environments. It is shipped in a tube package for maximum pin protection during transportation and storage. The 16-DIP case structure offers robust mechanical stability and straightforward PCB assembly. The device also emphasizes excellent heat dissipation due to the classic DIP design, ensuring long-term reliability under recommended operating conditions.
DS1305+ Application
The DS1305+ is engineered for precise real-time clock (RTC) and calendar applications in a variety of industrial control systems. It is particularly suited to machine safety controllers, time-stamping devices, embedded control modules, event recorders, and any equipment requiring highly accurate time and date retention amid power interruptions. The device's versatile interface and integrated features make it a strong choice for automated systems requiring reliable timekeeping and alarm functions.
DS1305+ Features
A standout feature of the DS1305+ includes its integrated real-time clock/calendar functionality with both time and date formats: hours, minutes, seconds, day, date, month, and year, including leap year correction. It supports both 12-hour and 24-hour formats for maximum flexibility. The device is equipped with dual alarm functions—allowing users to set multiple alerts—as well as a non-volatile SRAM (NVSRAM) of 96 bytes for critical data retention. A built-in trickle-charger circuit allows for seamless integration of battery backup, extending memory and timekeeping retention during system power loss. The DS1305+ uses a serial peripheral interface (SPI), offering stable and high-speed communication with host processors. Its optimized supply voltage range (2V to 5.5V) and low timekeeping current consumption (25.3A ~ 81A at 2V ~ 5V) ensure efficient battery usage while maintaining long-term operational accuracy.
DS1305+ Quality and Safety Features
Built for industrial reliability, the DS1305+ conforms to key RoHS directives pending inventory verification, ensuring environmental responsibility in line with global electronics standards. The through-hole PDIP form factor enhances mechanical robustness, reducing the risk of failure due to handling or vibration. The device's leap year correction, alarm, and battery backup features contribute to enhanced data accuracy and operational safety in critical applications. Additionally, strict manufacturer quality assurance from Analog Devices / Maxim Integrated ensures consistent electrical and timing performance.
DS1305+ Compatibility
The DS1305+ operates seamlessly within voltage supply ranges of 2V to 5.5V, ensuring compatibility with a wide spectrum of microcontrollers and embedded platforms. Its standard 16-PDIP package and SPI interface make integration straightforward in legacy and modern system designs. The device's time, alarm, and memory capabilities can be leveraged in both 5V TTL and modern low-voltage logic systems, expanding its utility for system upgrades and new designs.
DS1305+ Datasheet PDF
Our website provides the most comprehensive, up-to-date, and fully authoritative datasheet for the DS1305+ from Analog Devices / Maxim Integrated. Customers are highly encouraged to download the latest datasheet directly from this page for detailed pinout, functional block diagrams, programming examples, recommended operating conditions, and application notes, ensuring complete and accurate implementation in your project.
Quality Distributor
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