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DS1685E-3 from DALLAS,MAXIM - Dallas Semiconductor

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DS1685E-3

Manufacturer: DALLAS

3V/5V Real-Time Clocks

Partnumber Manufacturer Quantity Availability
DS1685E-3,DS1685E3 DALLAS 25 In Stock

Description and Introduction

3V/5V Real-Time Clocks The DS1685E-3 is a real-time clock (RTC) manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:  

- **Functionality**: Combines a real-time clock, calendar, alarm, and 114 bytes of non-volatile RAM.  
- **Clock Accuracy**: Maintains timekeeping with a precision of ±2 minutes per month at 25°C.  
- **Interface**: Parallel interface compatible with most microprocessors.  
- **Power Supply**: Operates from **3V to 5.5V**, with battery backup support.  
- **Temperature Range**: Commercial (**0°C to +70°C**).  
- **Package**: 24-pin DIP (Dual In-line Package).  
- **Non-Volatile RAM**: 114 bytes of general-purpose storage.  
- **Alarm Function**: Programmable daily or fixed-date alarm.  
- **Leap Year Compensation**: Automatic adjustment up to the year 2100.  

For exact electrical characteristics and timing diagrams, refer to the official datasheet from Maxim Integrated.

Partnumber Manufacturer Quantity Availability
DS1685E-3,DS1685E3 DALLAS 12 In Stock

Description and Introduction

3V/5V Real-Time Clocks The DS1685E-3 is a real-time clock (RTC) manufactured by Dallas Semiconductor (now part of Maxim Integrated). Here are its key specifications:

1. **Functionality**:  
   - Real-time clock/calendar with battery backup  
   - Provides seconds, minutes, hours, day, date, month, and year information  

2. **Timekeeping Features**:  
   - 12-hour or 24-hour format  
   - Automatic leap-year compensation  

3. **Memory**:  
   - 114 bytes of general-purpose RAM  

4. **Power Supply**:  
   - Operates from 2.97V to 5.5V  
   - Battery backup support for continuous timekeeping  

5. **Interface**:  
   - Parallel interface compatible with standard microprocessor buses  

6. **Package**:  
   - 24-pin DIP (Dual In-line Package)  

7. **Temperature Range**:  
   - Commercial: 0°C to +70°C  

8. **Additional Features**:  
   - Programmable square-wave output  
   - Interrupt output for alarms  

9. **Applications**:  
   - Embedded systems  
   - Industrial controls  
   - Point-of-sale terminals  

The DS1685E-3 is designed for applications requiring reliable timekeeping with minimal external components.  

(Note: Dallas Semiconductor was acquired by Maxim Integrated, which was later acquired by Analog Devices.)

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