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The DS1673E-3 is a portable system controller that belongs to the real-time clock (RTC) chip family and is packaged in a 20-TSSOP package (4.40 mm wide). The chip integrates a 3-wire serial interface, supports 12/24-hour time formats and YY-MM-DD-dd date formats, and features alarm clock, leap year compensation, and watchdog timer functions, making it suitable for time management in low-power embedded systems and portable devices.

DS1673E-3 Key Features:  

Low-power timing: Only 100µA @ 3V, suitable for battery-powered applications.  

Wide voltage range: Main power supply 2.7V~3.3V, battery backup 2.5V~3.7V.  

3-wire serial communication (SPI compatible), simplifying MCU interface design.

Built-in watchdog timer enhances system reliability.  

Compliant with RoHS standards and supports surface mount technology (SMT) processes.

DS1673E-3 Product Parameters:  

Supply voltage: 2.7V to 3.3V  

Battery voltage: 2.5V to 3.7V  

Timing current: 100µA @ 3V (maximum)

Time format: HH:MM:SS (12/24-hour format)  

Date format: YY-MM-DD-dd  

Interface: 3-wire serial (similar to SPI)  

Operating temperature: 0°C to 70°C  

Features: Alarm, leap year compensation, watchdog timer

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• 6.Can the company issue an invoice?

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