The DS1672S-3.3 from Maxim Integrated is a robust, low-power, binary-coded decimal (BCD) timekeeping device that incorporates a full-featured real-time clock/calendar and a 31-byte static RAM. Designed to provide a comprehensive timing solution, it is ideal for a wide range of applications in consumer electronics, embedded systems, and communication infrastructure.
Key Features
- Real-Time Clock/Calendar: Tracks seconds, minutes, hours, days, date, month, and year information until the year 2100, with automatic leap year compensation.
- Integrated Oscillator: The device includes an on-chip oscillator that is designed to be connected to an external 32.768 kHz crystal, ensuring high-precision timekeeping.
- Low Power Consumption: Operating in a low-power mode, the DS1672S-3.3 is optimized for battery-backed applications, preserving timekeeping operation even during power interruptions.
- Serial Interface: Features a simple serial interface that facilitates easy communication with most microcontrollers, allowing for efficient integration into system designs.
- Voltage Range: Operates over a wide voltage range of 2.7V to 5.5V, making it versatile for various power supply conditions.
- Compact Packaging: The device is available in a space-saving 8-pin SO (small outline) package, which is suitable for space-constrained applications.
Applications
The DS1672S-3.3 is engineered to serve a multitude of applications where accurate timekeeping is paramount. It is commonly used in:
- Handheld devices
- Consumer electronics
- Utility meters
- Industrial controllers
- Data loggers
- Medical devices
- Communication equipment
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 5.5V |
| Operating Temperature |
-40°C to +85°C |
| Package Type |
8-pin SO |
| Interface Type |
Serial |
With its combination of features, the DS1672S-3.3 is an excellent choice for designers looking for a reliable, long-term timekeeping solution.