Overview
The DS2431P-045-A02+T is a 1024-bit, 1-Wire EEPROM chip produced by Analog Devices Inc./Maxim Integrated. This device is organized into four memory pages of 256 bits each, providing a robust solution for various applications requiring non-volatile memory. The DS2431P-045-A02+T is designed to operate over a wide voltage range and temperature spectrum, making it suitable for a variety of environments. It features a minimalist 1-Wire interface, which simplifies the connection and reduces the overall system cost and complexity.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Memory Capacity | 1024 bits, organized into four pages of 256 bits each | |
| Package | TSOC-6 | |
| Operating Voltage Range | 2.8V to 5.25V | |
| Operating Temperature Range | -40°C to +85°C (industrial), -40°C to +125°C (AEC-Q100 Grade 1 version) | |
| Communication Speed | 15.4kbps or 125kbps | |
| ESD Protection | IEC 1000-4-2 Level 4 (+8kV Contact, +15kV Air, typ) | |
| Unique Identifier | 64-bit ROM registration number |
Key Features
- Easily add traceability and relevant information to any individual system.
- 1024 bits of EEPROM memory partitioned into four pages of 256 bits each.
- Individual memory pages can be permanently write protected or put in EPROM-emulation mode (write to 0).
- Switchpoint hysteresis and filtering to optimize performance in the presence of noise.
- Minimalist 1-Wire interface lowers cost and interface complexity.
- Reads and writes over a wide voltage range from 2.8V to 5.25V from -40°C to +85°C.
- Communicates to host with a single digital signal at 15.4kbps or 125kbps using the 1-Wire protocol.
Applications
- Accessory/PC Board Identification
- After-Market Management of Consumables
- Analog Sensor Calibration Including IEEE P1451.4 Smart Sensors
- Ink and Toner Print Cartridge Identification
- Medical Sensor Calibration Data Storage
- Automotive Sensor Identification and Calibration Data Storage (AEC-Q100 Grade 1 version)
- Automotive Cable Assembly Identification (AEC-Q100 Grade 1 version)
Q & A
- What is the memory capacity of the DS2431P-045-A02+T?
The DS2431P-045-A02+T has a memory capacity of 1024 bits, organized into four pages of 256 bits each.
- What is the operating voltage range of the DS2431P-045-A02+T?
The operating voltage range is from 2.8V to 5.25V.
- What is the communication speed of the DS2431P-045-A02+T?
The communication speed is 15.4kbps or 125kbps.
- Does the DS2431P-045-A02+T have ESD protection?
- How does the DS2431P-045-A02+T handle noise?
The device features switchpoint hysteresis and filtering to optimize performance in the presence of noise.
- What is the unique identifier for each DS2431P-045-A02+T device?
Each device has a unique 64-bit ROM registration number that is factory lasered into the chip.
- Can the memory pages of the DS2431P-045-A02+T be write protected?
- What are some common applications of the DS2431P-045-A02+T?
Common applications include accessory/PC board identification, after-market management of consumables, analog sensor calibration, ink and toner print cartridge identification, and medical sensor calibration data storage.
- Is the DS2431P-045-A02+T suitable for automotive applications?
- How does the DS2431P-045-A02+T communicate with the host?
The device communicates to the host with a single digital signal using the 1-Wire protocol.
