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DS1558B from DALLAS,MAXIM - Dallas Semiconductor

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DS1558B

Manufacturer: DALLAS

Watchdog Clock with NV RAM Control

Partnumber Manufacturer Quantity Availability
DS1558B DALLAS 17 In Stock

Description and Introduction

Watchdog Clock with NV RAM Control The DS1558B is a real-time clock (RTC) manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:  

- **Function**: Combines a real-time clock, NV SRAM, and a microprocessor supervisor in a single IC.  
- **Memory**: 32KB of nonvolatile SRAM.  
- **Clock Accuracy**: Maintains timekeeping accuracy with ±2 minutes per month at 25°C.  
- **Power Supply**: Operates from a 3V or 5V supply.  
- **Battery Backup**: Includes an embedded lithium energy source for data retention when main power is lost.  
- **Interface**: Parallel interface for communication with microprocessors.  
- **Operating Temperature Range**: -40°C to +85°C.  
- **Package**: 32-pin DIP (Dual Inline Package).  

This information is based solely on the DS1558B datasheet from DALLAS/Maxim Integrated.

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