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DS1742 from DALLAS,MAXIM - Dallas Semiconductor

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DS1742

Manufacturer: DALLAS

Y2KC Nonvolatile Real Time Clocks RAM

Partnumber Manufacturer Quantity Availability
DS1742 DALLAS 2000 In Stock

Description and Introduction

Y2KC Nonvolatile Real Time Clocks RAM The DS1742 is a nonvolatile timekeeping RAM manufactured by DALLAS (now Maxim Integrated). Here are its key specifications:  

- **Type**: Nonvolatile static RAM (NVSRAM) with real-time clock (RTC)  
- **Memory Capacity**: 32KB (32,768 x 8 bits)  
- **Battery Backup**: Integrated lithium energy source maintains data and clock for over 10 years  
- **Clock Functions**: Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation  
- **Interface**: Parallel (8-bit)  
- **Operating Voltage**: 4.5V to 5.5V  
- **Data Retention**: Guaranteed for at least 10 years without external power  
- **Package Options**: 32-pin DIP or 32-pin PowerCap module  
- **Temperature Range**: Commercial (0°C to +70°C) and industrial (-40°C to +85°C) versions available  
- **Write Cycle Endurance**: Unlimited (nonvolatile storage ensures no wear-out)  

The DS1742 combines SRAM with an embedded RTC and battery, making it suitable for applications requiring persistent data storage and timekeeping.

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