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DS1640S from DALLAS,MAXIM - Dallas Semiconductor

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DS1640S

Manufacturer: DALLAS

Personal Computer Power FET

Partnumber Manufacturer Quantity Availability
DS1640S DALLAS 2 In Stock

Description and Introduction

Personal Computer Power FET The DS1640S is a manufacturer part from DALLAS (now part of Maxim Integrated). Below are its specifications based on Ic-phoenix technical data files:

1. **Type**: Nonvolatile Timekeeping RAM (NV SRAM)  
2. **Memory Size**: 32K (32,768 x 8 bits)  
3. **Real-Time Clock (RTC)**: Integrated  
4. **Battery Backup**: Built-in lithium energy source  
5. **Data Retention**: Minimum 10 years without power  
6. **Interface**: Parallel  
7. **Operating Voltage**: 4.5V to 5.5V  
8. **Operating Temperature Range**: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
9. **Package**: 28-pin DIP (Dual In-line Package)  
10. **Clock Accuracy**: ±2 minutes per month at 25°C  

These are the factual specifications of the DS1640S from DALLAS.

Partnumber Manufacturer Quantity Availability
DS1640S DALLAS 14 In Stock

Description and Introduction

Personal Computer Power FET The DS1640S 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 Size**: 32KB (32,768 x 8 bits)  
- **Real-Time Clock (RTC)**: Integrated, tracks time in seconds, minutes, hours, day, date, month, and year  
- **Battery Backup**: Built-in lithium energy source for data retention  
- **Data Retention**: Minimum 10 years without external power  
- **Interface**: Parallel (8-bit)  
- **Operating Voltage**: 4.5V to 5.5V  
- **Package**: 28-pin DIP (Dual In-line Package)  
- **Temperature Range**: Commercial (0°C to +70°C)  

The DS1640S is designed for applications requiring reliable timekeeping and nonvolatile data storage.

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