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DS1705ESA/T&R from MAX,MAXIM - Dallas Semiconductor

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DS1705ESA/T&R

Manufacturer: MAX

3.3V and 5.0V MicroMonitor

Partnumber Manufacturer Quantity Availability
DS1705ESA/T&R,DS1705ESAT&R MAX 1598 In Stock

Description and Introduction

3.3V and 5.0V MicroMonitor The DS1705ESA/T&R is manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:

- **Type**: Real-Time Clock (RTC) with NV SRAM
- **Memory**: 512 bytes of non-volatile SRAM
- **Interface**: Serial (I²C)
- **Supply Voltage**: 2.7V to 5.5V
- **Operating Temperature**: -40°C to +85°C
- **Package**: 8-pin SOIC (150mil)
- **Timekeeping Accuracy**: ±2 minutes per month at 25°C
- **Battery Backup**: Supports external battery for timekeeping during power loss
- **Clock Frequency**: 32.768 kHz
- **Features**: Automatic leap-year compensation, power-fail detection

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
DS1705ESA/T&R,DS1705ESAT&R MAXIM 2660 In Stock

Description and Introduction

3.3V and 5.0V MicroMonitor The DS1705ESA/T&R is a real-time clock (RTC) module manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:

1. **Function**: Real-time clock/calendar with non-volatile timekeeping.
2. **Interface**: Serial I²C.
3. **Operating Voltage**: 2.7V to 5.5V.
4. **Timekeeping Current**: 500nA (typical) at 3V.
5. **Clock Accuracy**: ±2 minutes per month at 25°C.
6. **Temperature Range**: -40°C to +85°C.
7. **Package**: 8-pin SOIC (150mil).
8. **Memory**: 114 bytes of general-purpose NV RAM.
9. **Alarms**: Two time-of-day alarms.
10. **Watchdog Timer**: Programmable watchdog timer with reset output.
11. **Battery Backup**: Operates from an external battery when main power fails.

The device is designed for applications requiring timekeeping with low power consumption and includes a built-in power-sense circuit for automatic switchover to backup power.

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