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DS1644-120+ from MAXIM,MAXIM - Dallas Semiconductor

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DS1644-120+

Manufacturer: MAXIM

Nonvolatile Timekeeping RAM

Partnumber Manufacturer Quantity Availability
DS1644-120+,DS1644120+ MAXIM 1202 In Stock

Description and Introduction

Nonvolatile Timekeeping RAM The DS1644-120+ is a nonvolatile timekeeping RAM manufactured by Maxim Integrated. Here are its key specifications:

- **Type**: Nonvolatile Timekeeping RAM (NVSRAM)
- **Memory Size**: 64Kb (8K x 8)
- **Interface**: Parallel
- **Clock**: Integrated real-time clock (RTC) with battery backup
- **Supply Voltage**: 4.5V to 5.5V
- **Operating Temperature Range**: 0°C to +70°C
- **Data Retention**: Minimum 10 years with battery backup
- **Package**: 28-pin DIP
- **Features**: Automatic power-fail chip deselect and write protection
- **Battery Backup**: Built-in lithium energy source
- **Access Time**: 120ns (hence the "120" in the part number)
- **Compliance**: RoHS compliant

This part is designed for applications requiring persistent data storage with timekeeping functionality.

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