DS2430AP+ - 256-Bit 1-Wire EEPROM | Analog Devices
MPN: DS2430AP+ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.37 | $1.37 |
| 10 | $1.25 | $12.50 |
| 100 | $1.1 | $110.00 |
| 500 | $0.95 | $475.00 |
| 1,000 | $0.85 | $850.00 |
Drop-in alternatives for DS2430AP+ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DS2430AP+T&R
✅ Drop-In📋 Reference alternative (not in catalog)
DS2430AP
✅ Drop-In📋 Reference alternative (not in catalog)
DS2431
⚡ Same Package📋 Reference alternative (not in catalog)
DS2430AP+ Maximum Ratings & Electrical Characteristics
| Memory Size | 256 bit (32 x 8) |
| Memory Type | EEPROM |
| Interface | 1-Wire |
| Data Rate | 15 µs per bit |
| Supply Voltage | 2.8V to 5.25V |
| Package | 6-TSOC (6-LSOJ) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to +85°C |
| Write Cycle Endurance | 100,000 cycles |
| Data Retention | 10 years at 85°C |
| Unique Serial Number | 48-bit |
| Family Code | 14h |
| CRC | 8-bit |
| RoHS Status | Compliant |
| Lead Free | Yes |
DS2430AP+ Pin Configuration
| Pin 1 | GND — Ground |
| Pin 2 | DQ — 1-Wire data input/output |
| Pin 3 | NC — No connection |
| Pin 4 | VCC — Power supply (optional in parasitic mode) |
| Pin 5 | NC — No connection |
| Pin 6 | NC — No connection |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
DS2430AP+ is suitable for 6 applications: PCB Identification and Tracking, Consumable Authentication, Medical Device Calibration Data Storage, Industrial Sensor Calibration, Battery Pack Identification, Accessory Identification.
PCB Identification and Tracking
The DS2430AP+ stores unique board-level identification data, enabling automated tracking and traceability in manufacturing. Its 1-Wire interface requires only a single GPIO pin on the host microcontroller, simplifying PCB layout. The 256-bit memory is sufficient for storing serial numbers, manufacturing date, and revision codes. The unique 48-bit serial number ensures each board is uniquely identifiable, and the 8-bit CRC provides error detection for reliable data retrieval. This application is common in high-volume electronics manufacturing where board-level traceability is critical for quality control and warranty management.
Recommended
Consumable Authentication
The DS2430AP+ is used to authenticate consumables such as printer cartridges and medical disposables. Its 256-bit EEPROM can store authentication keys and usage counters, while the unique serial number prevents cloning. The 1-Wire interface allows the host device to read the authentication data with minimal hardware. The device's 100,000 write cycles enable frequent updates of usage counters. The small 6-TSOC package fits into compact consumable designs. This application leverages the device's security features to protect revenue and ensure product quality.
Recommended
Medical Device Calibration Data Storage
In medical devices, the DS2430AP+ stores calibration coefficients and device-specific parameters. The 256-bit memory is sufficient for storing calibration constants, and the 10-year data retention ensures long-term stability. The 1-Wire interface simplifies the design of disposable medical sensors, where only a single wire is available for communication. The device's wide supply voltage range (2.8V to 5.25V) accommodates various battery chemistries. The unique serial number enables traceability of each sensor to its calibration record, enhancing patient safety and regulatory compliance.
Recommended
Industrial Sensor Calibration
The DS2430AP+ stores calibration data for industrial sensors, such as temperature and pressure sensors. The 256-bit EEPROM can hold offset and gain correction factors, which are read by the host system during initialization. The 1-Wire interface allows the sensor to be connected with just two wires (data and ground), reducing cabling costs. The device's operating temperature range of -40°C to +85°C makes it suitable for harsh industrial environments. The 100,000 write cycles allow recalibration in the field, extending sensor lifespan and reducing maintenance costs.
Recommended
Battery Pack Identification
The DS2430AP+ is used in battery packs to store battery type, capacity, and manufacturing data. The 1-Wire interface requires only one pin on the battery connector, simplifying the mechanical design. The unique serial number allows the host to identify the specific battery and track its usage history. The device's low power consumption is critical for battery-powered applications. The 256-bit memory is sufficient for storing essential battery parameters. This application is common in power tools, laptops, and electric vehicles, where battery authentication and monitoring are essential for safety and performance.
Recommended
Accessory Identification
The DS2430AP+ enables automatic detection of accessories, such as camera lenses, game controllers, or medical probes. The 256-bit EEPROM stores accessory type and capabilities, which the host reads upon connection. The 1-Wire interface allows the accessory to be identified with a single contact, reducing connector complexity. The device's small package and low cost make it ideal for high-volume consumer accessories. The unique serial number can also be used for anti-counterfeiting measures. This application enhances user experience by enabling plug-and-play functionality.
Recommended
Recommended Products Summary
Engineering reference data for DS2430AP+ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DS2430AP+T&R | DS2430AP | DS2431 |
|---|---|---|---|---|
| Package | 6-TSOC | 6-TSOC | 6-TSOC | 6-TSOC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Memory Size | 256 bit | 256 bit | 256 bit | 1 Kbit |
| Interface | 1-Wire | 1-Wire | 1-Wire | 1-Wire |
| Supply Voltage | 2.8V to 5.25V | 2.8V to 5.25V | 2.8V to 5.25V | 2.8V to 5.25V |
| Data Rate | 15 µs/bit | 15 µs/bit | 15 µs/bit | 15 µs/bit |
| Write Endurance | 100,000 cycles | 100,000 cycles | 100,000 cycles | 100,000 cycles |
| RoHS | Compliant | Compliant | Non-compliant | Compliant |
Key Differentiators
- Unique 64-bit registration number (vs AT24C02C-SSHM-T)
- 1-Wire interface requires only one data line (vs AT24C02C-SSHM-T)
- Parasitic power capability (vs DS2431)
Design Notes
For reliable 1-Wire communication, place a pull-up resistor (typically 2.2 kΩ to 4.7 kΩ) between the DQ line and VCC. Keep the trace length short and avoid stubs to minimize reflections. In parasitic power mode, a strong pull-up (e.g., 1 kΩ) may be needed during write operations to provide sufficient current for programming the EEPROM.
The DS2430AP+ can operate in parasitic power mode, where it draws power from the data line. Ensure the host can provide adequate current during write operations, as the EEPROM programming current can be higher than normal communication. If using external power, decouple VCC with a 0.1 µF capacitor close to the pin.
The 1-Wire protocol is timing-sensitive. Ensure the host microcontroller's timing meets the 15 µs time slot specification. Use a 1-Wire driver library or implement precise delays. Also, be aware that the DS2430AP+ has a family code of 14h, which must be matched for proper ROM commands.
Compliance Information
RoHS compliant and lead-free per the '+' suffix. Other compliance data not specified in the provided sources.
