Overview
The DS2431P+W is a 1024-bit, 1-Wire EEPROM chip produced by Analog Devices Inc./Maxim Integrated. This component is designed to provide a compact and reliable solution for data storage and identification in various applications. The DS2431P+W features a minimalist 1-Wire interface, which simplifies the connection and reduces the overall system cost. Each device has a unique 64-bit ROM registration number, ensuring absolute traceability and identification in multidrop 1-Wire network environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Type of Integrated Circuit | EEPROM Memory |
| Memory | 1024 bits (1 kb), organized as four pages of 256 bits each |
| Interface | 1-Wire serial interface |
| Operating Voltage | 2.8V to 5.25V |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -55°C to +125°C |
| Mounting | SMD (Surface Mount Device) |
| Case | TSOC6 (Thin Small Outline Package, 6 leads) |
| ESD Protection | IEC 1000-4-2 Level 4 (±8kV Contact, ±15kV Air, typ) |
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.
- Communicates to host with a single digital signal at 15.4kbps or 125kbps.
- Unique 64-bit ROM registration number for absolute traceability.
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.
Q & A
- What is the memory capacity of the DS2431P+W?
The DS2431P+W has a memory capacity of 1024 bits, organized into four pages of 256 bits each. - What type of interface does the DS2431P+W use?
The DS2431P+W uses a 1-Wire serial interface. - What is the operating voltage range of the DS2431P+W?
The operating voltage range is from 2.8V to 5.25V. - What is the purpose of the unique 64-bit ROM registration number?
The unique 64-bit ROM registration number ensures absolute traceability and identification in multidrop 1-Wire network environments. - Can the memory pages of the DS2431P+W be write protected?
Yes, individual memory pages can be permanently write protected or put in EPROM-emulation mode. - What are some common applications of the DS2431P+W?
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. - Does the DS2431P+W have ESD protection?
Yes, it has IEC 1000-4-2 Level 4 ESD protection (±8kV Contact, ±15kV Air, typ). - How does the DS2431P+W handle data writing?
Data is written to an 8-byte scratchpad, verified, and then copied to the EEPROM memory. - What is the communication speed of the DS2431P+W?
The DS2431P+W communicates at 15.4kbps or 125kbps. - Is the DS2431P+W suitable for use in noisy environments?
Yes, it features switchpoint hysteresis and filtering to optimize performance in the presence of noise.
