The DS1307ZN/TR is a specialized integrated circuit designed specifically for real-time clock (RTC) applications, manufactured by Dallas Semiconductor (now part of Maxim Integrated). This compact and versatile timekeeping device is engineered to provide precise time and calendar functionality in a variety of electronic systems.
The integrated circuit is packaged in a space-efficient Small Outline Package (SOP-8L), which makes it ideal for applications with limited board space, such as embedded systems, consumer electronics, and industrial control devices. Its small footprint and robust design allow for easy integration into compact electronic designs.
Key features of the DS1307 include a full real-time clock that maintains seconds, minutes, hours, day, date, month, and year information, with built-in leap year compensation valid up to the year 2100. The device operates from a dedicated battery backup, ensuring continuous timekeeping even when the primary power source is disconnected. This makes it particularly useful in applications requiring persistent time tracking, such as computer systems, data loggers, and portable electronics.
The circuit communicates via a standard I2C serial interface, enabling seamless integration with microcontrollers and other digital systems. It can operate from 4.5V to 5.5V and includes a square-wave output pin that can be programmed for various frequencies, adding flexibility to timing and synchronization requirements.
Primary advantages include low power consumption, with typical operating current less than 500 nanoamperes in battery backup mode, making it extremely energy-efficient. The device is designed to withstand a wide temperature range, typically -40°C to +85°C, ensuring reliable performance in diverse environmental conditions.
Equivalent or alternative models include the Maxim DS3231, which offers enhanced temperature compensation, and the ST Microelectronics M41T62, providing similar real-time clock functionality with slight variations in specifications.
Typical application areas encompass personal computing, automotive electronics, industrial control systems, telecommunications equipment, and consumer devices requiring precise and reliable timekeeping capabilities.
The DS1307ZN/TR is available in quantities up to 2500 units, providing flexibility for both prototype development and larger-scale manufacturing requirements.
DS1307ZN/TR Key Technical Attributes
Manufacturer Part Number DS1307ZN/TR
Encapsulation SOP-8L
Package Quantity 2500
DS1307ZN/TR Packing Size
The DS1307ZN/TR is packaged in a SOP-8L format, which stands for Small Outline Package with 8 leads. This surface-mount package is commonly used for compact circuit board layouts, offering efficient use of PCB space. The encapsulation follows industrial standards, ensuring mechanical protection and optimal thermal performance. Pin configuration is a standard 8-pin layout, making integration straightforward. The material is typically high-grade plastic, providing insulation and durability while maintaining lightweight characteristics. Its thermal properties are designed to handle standard operating temperatures, minimizing the risk of overheating in normal circuit environments. Electrical properties remain stable over the rated lifecycle, ensuring long-term reliability.
DS1307ZN/TR Application
The DS1307ZN/TR is widely applied in systems requiring real-time clock (RTC) functionality, such as consumer electronics, industrial automation, embedded systems, medical devices, and communication equipment. It can precisely track time, date, and provide calibration for applications that need timekeeping and scheduling. It is also suitable for battery-backed timekeeping and data logging applications.
DS1307ZN/TR Features
This specialized RTC IC integrates a full binary-coded decimal (BCD) clock/calendar with seconds, minutes, hours, day, date, month, and year data. All values are automatically adjusted for months with fewer than 31 days and leap years. It supports both 24-hour and 12-hour formats with AM/PM indication. The device features low power consumption, making it ideal for battery-powered applications. The I²C serial interface ensures easy communication with microcontrollers. On-chip power-sense circuitry detects power failures and automatically switches to a backup supply, preserving timekeeping operations. The SOP-8L packaging provides efficient mounting, excellent electrical connectivity, and robust protection against mechanical stresses encountered during assembly and operation.
DS1307ZN/TR Quality and Safety Features
The DS1307ZN/TR adheres to rigorous manufacturing standards to guarantee stable operation, consistency, and extended product lifespan. It is compliant with RoHS environmental standards and free from hazardous substances. Integrated supply monitoring ensures data integrity in case of primary power loss, while ESD protection safeguards sensitive electronic circuits from static discharge during handling and assembly. The standard packaging ensures maximum durability during shipping and placement.
DS1307ZN/TR Compatibility
Designed to work seamlessly with a wide range of microcontroller families featuring I²C communication capability, the DS1307ZN/TR is compatible with a variety of development tools and platforms. Its 8-pin SOP configuration allows for direct replacement in circuits designed for similar footprint RTCs. The versatile voltage operating range ensures integration across diverse system designs without altering power supply specifications.
DS1307ZN/TR Datasheet PDF
Customers are encouraged to download the most comprehensive and authoritative datasheet for the DS1307ZN/TR, available right here on our website. This official resource provides detailed application circuits, electrical specifications, timing diagrams, and all critical information necessary for proper design and integration. Maximize your development efforts by referring to the original datasheet available for download on this page.
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