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DS1643-150 from DALLAS,MAXIM - Dallas Semiconductor

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DS1643-150

Manufacturer: DALLAS

Nonvolatile timekeeping RAM, 150ns access

Partnumber Manufacturer Quantity Availability
DS1643-150,DS1643150 DALLAS 5704 In Stock

Description and Introduction

Nonvolatile timekeeping RAM, 150ns access The DS1643-150 is a nonvolatile timekeeping RAM manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:  

- **Memory Size**: 32KB (32,768 x 8)  
- **Integrated Features**: Real-time clock (RTC), nonvolatile SRAM, power-fail control  
- **Battery Backup**: Built-in lithium energy source  
- **Data Retention**: Minimum 10 years without external power  
- **Clock Accuracy**: ±2 minutes per month at 25°C  
- **Operating Voltage**: 4.5V to 5.5V  
- **Temperature Range**: Commercial (0°C to +70°C)  
- **Package**: 28-pin DIP (Dual In-line Package)  

The DS1643-150 is designed for applications requiring timekeeping and nonvolatile memory, such as industrial controllers, data loggers, and embedded systems.  

Let me know if you need additional details.

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