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DS1646-120+ from MAXIM/DALLAS,MAXIM - Dallas Semiconductor

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DS1646-120+

Manufacturer: MAXIM/DALLAS

Nonvolatile Timekeeping RAM

Partnumber Manufacturer Quantity Availability
DS1646-120+,DS1646120 MAXIM/DALLAS 4 In Stock

Description and Introduction

Nonvolatile Timekeeping RAM The DS1646-120+ is a nonvolatile timekeeping RAM manufactured by Maxim Integrated (formerly Dallas Semiconductor). Here are its key specifications:

- **Type**: Nonvolatile (NV) SRAM with real-time clock (RTC)
- **Memory Size**: 64Kb (8KB)
- **Interface**: Parallel
- **Supply Voltage**: 4.5V to 5.5V
- **Operating Temperature Range**: 0°C to +70°C
- **Clock Accuracy**: ±2 minutes per month at 25°C
- **Battery Backup**: Integrated lithium energy source
- **Data Retention**: Minimum 10 years in the absence of power
- **Package**: 28-pin DIP (Dual In-line Package)
- **Features**: Automatic power-fail detection and switchover, century byte register

This device combines SRAM with a real-time clock and nonvolatile storage, making it suitable for applications requiring timekeeping and data retention.

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