Description
The DS1337S&R is a low-power, serial Real-Time Clock (RTC) designed to provide accurate timekeeping for a broad range of electronic devices. It maintains precise tracking of seconds, minutes, hours, day, date, month, and year, with automatic leap-year compensation valid up to the year 2100. A standout feature of the DS1337 is its two programmable time-of-day alarms, which offer significant flexibility for scheduling system tasks or wake-up events.
Communicating via a high-speed I²C serial interface, the DS1337 is easily integrated into microcontrollers and embedded systems. The device is highly power-efficient, consuming approximately 425nA in standby or battery-backup mode, making it an ideal choice for portable and battery-operated equipment. With its compact SMD-8 package and reliable performance, the DS1337 is a trusted timing reference for modern digital applications.
Key Features
- Dual Programmable Alarms: Features two independent time-of-day alarms for advanced scheduling and control.
- Precision Timekeeping: Tracks full date and time data with leap-year compensation through 2100.
- Ultra-Low Power: Designed for efficiency with an extremely low current draw of ~425nA.
- High-Speed Interface: I²C bidirectional serial bus ensures fast, reliable communication with host processors.
- Versatile Voltage Range: Operates reliably between 2V and 5V.
- Compact Design: Housed in a space-saving 8-pin surface-mount package.
Applications
- Embedded Systems: Reliable clock source for microcontrollers and digital hardware.
- Portable Electronics: Optimized for low-power operation in handheld devices.
- Industrial Controllers: Provides precise time-stamping and alarm-based task management.
- Automated Equipment: Ideal for systems requiring scheduled wake-up functions or periodic event triggering.
Package Includes
- 1 x DS1337S&R RTC IC (SMD-8)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | DS1337S&R |
| Interface | I²C Serial |
| Operating Voltage | 2V – 5V |
| Power Consumption | ~425nA |
| Package Type | SMD-8 |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.








