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DS1386 from DALLAS,MAXIM - Dallas Semiconductor

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DS1386

Manufacturer: DALLAS

RAMified Watchdog Timekeeper

Partnumber Manufacturer Quantity Availability
DS1386 DALLAS 1000 In Stock

Description and Introduction

RAMified Watchdog Timekeeper The DS1386 is a 32,768-bit nonvolatile static RAM (NV SRAM) with a built-in real-time clock (RTC), manufactured by Dallas Semiconductor (now part of Maxim Integrated). Key specifications include:

- **Memory Capacity**: 32,768 bits (4K x 8)  
- **Nonvolatile Storage**: Data is automatically saved to nonvolatile EEPROM cells during power loss and restored upon power-up.  
- **Real-Time Clock (RTC)**: Integrated clock/calendar with seconds, minutes, hours, day, date, month, and year (including leap year compensation).  
- **Battery Backup**: Operates from a 3V lithium battery (typical) for data retention during power loss.  
- **Interface**: Parallel (8-bit) with standard SRAM timing.  
- **Operating Voltage**: 4.5V to 5.5V (primary supply).  
- **Low-Power Operation**: Consumes minimal power in battery-backed mode.  
- **Package Options**: Available in 28-pin DIP or SOIC packages.  

For exact electrical characteristics, timing, and pinout details, refer to the official datasheet from Maxim Integrated.

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