Overview
The DS28E05R+T is a 1-Wire EEPROM device produced by Analog Devices Inc., which is a part of Maxim Integrated. This component is designed to provide a compact and reliable solution for data storage and identification in various applications. The DS28E05 features a single-contact 1-Wire interface, allowing for communication with a host device using a simple and efficient protocol. Each device has a unique 64-bit ROM ID, which serves as a node address in multiple-device 1-Wire networks. The device operates over a wide voltage range from 1.71V to 3.63V and is rated for temperatures from -40°C to +85°C, making it suitable for a broad range of environments.
Key Specifications
| Specification | Value |
|---|---|
| Memory Capacity | 112 bytes (7 pages of 16 bytes each) |
| Write Cycles | 1,000 cycles |
| Voltage Range | 1.71V to 3.63V |
| Temperature Range | -40°C to +85°C |
| Interface | Single-contact 1-Wire interface at overdrive speed (up to 76.9kbps) |
| ROM ID | Unique factory-programmed 64-bit ROM ID |
| ESD Protection | ±8kV HBM ESD protection on IO pin |
| Package Options | 4-Ball UCSP, 2-Pad SFN, 3-Pin SOT23, 6-Pin TSOC |
Key Features
- Single-Contact 1-Wire Interface: Communicates with the host at up to 76.9kbps in overdrive mode.
- User EEPROM: 112 bytes of user-programmable EEPROM organized as 7 pages of 16 bytes each, with 1,000 write cycles.
- Programmable Write Protection and OTP EPROM Emulation Modes: Memory pages can be individually set to write protected or EPROM emulation mode.
- Unique Factory-Programmed 64-Bit ROM ID: Each part has its own guaranteed unique 64-bit ROM identification number.
- Operating Range: Operates from 1.71V to 3.63V and from -40°C to +85°C.
- ESD Protection: ±8kV HBM ESD protection on the IO pin.
- Package Variations: Available in 4-Ball UCSP, 2-Pad SFN, 3-Pin SOT23, and 6-Pin TSOC packages.
Applications
- Accessory/PCB Identification: Used for identifying accessories and PCBs in various systems.
- Aftermarket Management of Consumables: Helps in managing consumables in aftermarket scenarios.
- Analog Sensor Calibration: Stores calibration data for analog sensors.
- Medical Sensor Calibration Data Storage: Used for storing calibration data for medical sensors.
Q & A
- What is the DS28E05R+T and what company produces it?
The DS28E05R+T is a 1-Wire EEPROM device produced by Analog Devices Inc., which is part of Maxim Integrated.
- What is the memory capacity of the DS28E05R+T?
The DS28E05R+T has a memory capacity of 112 bytes, organized as 7 pages of 16 bytes each.
- What is the voltage range for the DS28E05R+T?
The device operates over a voltage range from 1.71V to 3.63V.
- What is the temperature range for the DS28E05R+T?
The device is rated for temperatures from -40°C to +85°C.
- What interface does the DS28E05R+T use for communication?
The DS28E05R+T communicates over a single-contact 1-Wire interface at overdrive speed (up to 76.9kbps).
- Does the DS28E05R+T have ESD protection?
Yes, the DS28E05R+T has ±8kV HBM ESD protection on the IO pin.
- What are the package options available for the DS28E05R+T?
The device is available in 4-Ball UCSP, 2-Pad SFN, 3-Pin SOT23, and 6-Pin TSOC packages.
- What are some common applications of the DS28E05R+T?
Common applications include accessory/PCB identification, aftermarket management of consumables, analog sensor calibration, and medical sensor calibration data storage.
- How many write cycles does the DS28E05R+T support?
The device supports up to 1,000 write cycles.
- Does the DS28E05R+T have a unique identifier?
Yes, each part has a unique factory-programmed 64-bit ROM ID.
