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DS1991L-F5 from MAXIM,MAXIM - Dallas Semiconductor

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DS1991L-F5

Manufacturer: MAXIM

MultiKey iButton

Partnumber Manufacturer Quantity Availability
DS1991L-F5,DS1991LF5 MAXIM 5000 In Stock

Description and Introduction

MultiKey iButton The DS1991L-F5 is a 1-Wire Multikey iButton manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:

- **Memory**: 1152 bits (144 bytes) of NV SRAM, organized into three 384-bit (48-byte) secure blocks.
- **Security**: Each block has its own 64-bit password and write cycle counter (8-bit).
- **Communication**: 1-Wire protocol with a unique 64-bit ROM ID.
- **Operating Voltage**: 2.8V to 5.25V.
- **Temperature Range**: -40°C to +85°C.
- **Durability**: 100,000 write cycles per block.
- **Data Retention**: 10 years minimum.
- **Package**: Stainless steel iButton form factor (16mm diameter).
- **Applications**: Secure access control, authentication, and data logging.

No additional guidance or suggestions are provided.

Partnumber Manufacturer Quantity Availability
DS1991L-F5,DS1991LF5 DALLAS 5 In Stock

Description and Introduction

MultiKey iButton The DS1991L-F5 is a 1-Wire device manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:  

- **Memory Size**: 1152 bits (organized as three 384-bit secure pages).  
- **Interface**: 1-Wire communication protocol.  
- **Operating Voltage**: 2.8V to 5.25V.  
- **Temperature Range**: -40°C to +85°C.  
- **Unique 64-Bit ROM ID**: Each device has a factory-lasered, unique identifier.  
- **Data Protection**: Secure memory with write-access protection.  
- **Package**: TO-92 (3-pin package).  
- **Applications**: Secure key storage, authentication, and data logging.  

The device is designed for applications requiring secure data storage and authentication.

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