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DS1642-100+ from DALLAS,MAXIM - Dallas Semiconductor

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15.625ms

DS1642-100+

Manufacturer: DALLAS

Nonvolatile Timekeeping RAM

Partnumber Manufacturer Quantity Availability
DS1642-100+,DS1642100 DALLAS 300 In Stock

Description and Introduction

Nonvolatile Timekeeping RAM The DS1642-100+ is a nonvolatile timekeeping RAM manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:

- **Type**: Nonvolatile (NV) SRAM with real-time clock (RTC)
- **Memory Size**: 32KB (32,768 x 8)
- **Interface**: Parallel
- **Supply Voltage**: 4.5V to 5.5V
- **Operating Temperature Range**: 0°C to +70°C
- **Timekeeping Function**: Integrated real-time clock (RTC) with century byte
- **Battery Backup**: Built-in lithium energy source for data retention
- **Data Retention**: Minimum 10 years in the absence of power
- **Package**: 28-pin DIP (Dual In-line Package)
- **Clock Accuracy**: ±2 minutes per month at 25°C
- **Access Time**: 100ns (indicated by the "-100" in the part number)
- **Features**: Automatic power-fail chip deselect and write protection

This information is based solely on the manufacturer's specifications for the DS1642-100+.

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